ADU Rules in Freetown, MA
Yes. Freetown allows ADUs by-right up to 900 sq ft under Section 300-5.11. The friction is not zoning. It is septic capacity, wetlands and Conservation Commission filings, the Bristol County Northern District registry, and which parcels sit within the new MBTA station parking exemption.
Call BuildX: (781) 627-7000
Freetown allows ADUs by-right
Section 300-5.11 · By-right under state lawFreetown's zoning bylaw includes Section 300-5.11, a state-law-aligned Accessory Dwelling Unit provision [Section 300-5.11]. Protected-use ADUs are by-right under Massachusetts law (760 CMR 71.00), and Section 300-5.11 expresses that framework locally. Confirm the current local adoption status with the Freetown Town Clerk. The bylaw allows one protected-use ADU by-right on each lot in a Single-Family Residential Zoning District, up to 900 sq ft or 50% of the principal dwelling, whichever is smaller. A building permit from the Building Department is the only approval required. No special permit, no public hearing.
Can I build an ADU in Freetown, MA?
Yes. Freetown allows one protected-use ADU by-right on each lot in a Single-Family Residential Zoning District under Section 300-5.11, up to 900 sq ft or 50% of the principal dwelling, whichever is smaller. A building permit is the only approval required. No special permit is needed if the project meets the criteria.
Show the bylaw, how it is published, and what Freetown cleaned up
Section 300-5.11 is a clean, state-law-aligned bylaw. Its Purpose and Intent statement points directly at the state framework [Section 300-5.11]:
How the bylaw is published. The March 21, 2025 Attorney General decision and the April 24, 2025 eCode360 update reflect Freetown's recodification of its Zoning Bylaw into the Chapter 300 numbering [Town Bylaws] [Chapter 300], which is why the ADU provision carries the number Section 300-5.11. The ADU provision itself was brought as a separate Town Meeting article; confirm its specific adoption meeting, article number, and vote with the Freetown Town Clerk.
Freetown also did the housekeeping. The same ADU bylaw article retires the old "Accessory Apartment" definition and use entry and removes Section 300-6.1.F [Article VI], the old large-lot rule that required 175 ft of frontage and 70,000 sq ft for a single-family dwelling. Many towns still carry legacy "accessory apartment" language alongside their new ADU rules, which creates confusion; Freetown's article clears the duplication so the ADU path stands on its own. Confirm the current codified text with the Town Clerk.
The Affordable Homes Act and MGL Chapter 40A Section 3 enabled the state framework that Section 300-5.11 references [MGL 40A] [760 CMR 71]. State protection sets the floor: protected-use ADUs up to 900 sq ft are by-right in zones that allow single-family dwellings. Section 300-5.11 is Freetown's local expression of that floor. The full bylaw is published on eCode360 [eCode360].
For most homeowners, the practical answer is straightforward. A Freetown ADU at or under 900 sq ft, subordinate in use and size to the principal dwelling, on a single-family lot, is a by-right building-permit project. Where Freetown ADU projects actually slow down is upstream of zoning: Title 5 septic capacity on the many parcels not served by municipal sewer, Conservation Commission filings near wetlands and the Taunton River corridor, and the deed-recording workflow through the Bristol County Northern District registry in Taunton.
Garage conversion ADU
A common variation of either the detached or attached ADU path, depending on the garage configuration. Section 300-5.11 does not treat garage conversion as a separate ADU category; it is classified based on whether the converted structure is attached to or detached from the principal dwelling, and it must still be subordinate in use and size to the principal dwelling.
- If the garage is attached to the house: Treated as an attached ADU
- If the garage is detached from the house: Treated as a detached ADU
- Best for: Properties with a structurally sound existing garage and the ability to reuse foundation, walls, and roof; often faster than ground-up construction
- Watch for: Foundation adequacy, insulation upgrades, a separate entrance with safe egress, bathroom and kitchen plumbing additions, and the one additional off-street parking space unless the transit exemption applies
Freetown ADU Rules at a Glance
The six things most homeowners ask first. Tap "View all rule details" for the complete data set.
View all Freetown rule details
- ADU types allowed: Detached, attached, interior conversion
- Districts allowed in: Single-Family Residential Zoning Districts
- ADUs per lot: One protected-use ADU, by-right
- Bylaw: Section 300-5.11 (Accessory Dwelling Units); by-right under state law
- Subordinate requirement: Subordinate in use and size to the principal dwelling
- Separate entrance: Required, sufficient for safe egress
- Owner-occupancy: Not required for protected-use ADUs under state law
- Long-term rental: Allowed
- Off-street parking: One additional space, or none within 0.5 mi of a commuter rail or bus station
- Sewer status: Mostly private septic; limited municipal sewer
- Aquifer overlay: Multiple aquifer and wellhead protection zones; confirm by address
- Flood: Riverine Zone A along the Taunton River corridor
- Setbacks and height: Per Article VI Height and Area Regulations. Confirm exact values with the Freetown Building Department
- Dimensional table: Freetown Zoning Bylaw, Article VI [Article VI]
- Code compliance: State Building Code, Title V, and 527 CMR per Section 300-5.11
Why BuildX Knows Freetown ADUs
Freetown is BuildX home territory. We are your neighbors, not a regional contractor. We build here, so we know the septic constraints, the wetlands buffers, the Bristol County Northern District workflow, and which parcels fall inside the new MBTA station parking radius.
Freetown Home Territory
Freetown is BuildX home territory. We are your neighbors, not a regional contractor. We build here, so we know Freetown ADU parcels, the septic and Title 5 questions, the wetlands and Taunton River buffers, and the aquifer overlays firsthand.
See One in Person
Walk through a real, finished BuildX ADU before you sign anything. Private showings are available by appointment.
Day 1 Property Review
Before quoting, we check zoning, sewer or septic, FEMA flood zone, wetlands, aquifer overlay, and the MBTA station parking radius.
BuildX in Freetown
Freetown is BuildX home territory. We are not a regional contractor visiting Freetown, we are your neighbors. The list below carries each project's current status:
- Cardin (Completed): 900 GFA · 2-Bed, 1-Bath
- Santos (Under Construction): 900 GFA · 1-Bed, 1-Bath
Real families. Real builds. Real ADUs on the South Shore. See more BuildX ADU builds →
What Can Complicate a Freetown ADU?
Freetown is a rural, mostly-septic town with a large state forest and a brand-new commuter rail station. Your parcel's septic, overlays, and station distance, not the bylaw, are usually what move project cost and timeline. The factors that come up most often:
Do I need septic approval for a Freetown ADU? Septic
Likely affects you if: your parcel is not connected to municipal sewer. Freetown has limited municipal sewer, so most residential lots are on private septic. Confirm sewer availability for your specific address before design.
Freetown is mostly on private septic. Adding an ADU bedroom adds wastewater design flow, so a Title 5 inspection and capacity check are typically required before the ADU permit is approved [Title 5]. Section 300-5.11 explicitly requires conformance with Title V (the state sanitary code) [Section 300-5.11]. Title 5 also requires a reserve area, which matters on tighter lots.
Cost impact: a Title 5 capacity check plus possible system upgrade or replacement adds $30,000 to $60,000 when an older system cannot carry an additional ADU bedroom.
The Freetown Board of Health administers Title 5 review [Board of Health]. We pull the Title 5 records and assess capacity before any design work begins.
Do wetlands or conservation rules affect Freetown ADUs? Wetlands
Likely affects you if: your lot is within roughly 100 feet of a wetland, stream, pond, or the Taunton River corridor. Freetown has significant wetland resource areas, so many parcels qualify. Confirm your parcel's buffer with the Conservation Commission.
Adding an ADU near a wetland resource area triggers a Notice of Intent or Request for Determination filing with the Freetown Conservation Commission under the state Wetlands Protection Act, MGL c.131 Section 40 [Wetlands Act] [Conservation Commission]. Conservation Commission filings are frequent in Freetown given the number of wetland resource areas and the Taunton River corridor.
Cost impact: +$5,000 to $15,000, plus roughly 6 to 10 weeks of additional review when a parcel falls within the buffer.
The Freetown-Fall River State Forest occupies a substantial portion of the town. It is conservation land, not buildable, so ADU work concentrates on the residentially zoned portions outside the forest [Wikipedia]. We pull the wetlands and resource-area maps on the Day 1 property review.
How do aquifer and watershed overlays affect Freetown ADUs? Aquifer
Likely affects you if: your parcel falls within an aquifer or wellhead protection zone, or near the Watuppa Pond watershed on the Fall River side. Confirm by address with a MassGIS overlay check.
Freetown has multiple aquifer and Zone II wellhead protection zones [MassGIS]. ADU septic siting is reviewed more carefully inside these zones because adding a bedroom adds wastewater design flow.
Freetown also abuts the Watuppa Pond complex, which is Fall River's drinking water source [MassGIS]. Properties near the Watuppa Pond watershed on the Fall River side can carry heightened scrutiny. We pull the watershed map for any property near Watuppa Pond.
A MassGIS overlay check on Day 1 tells you whether your parcel sits within an aquifer, wellhead protection, or watershed catchment. We pull this before quoting.
What flood-zone rules affect Freetown ADUs? Riverine flood
Likely affects you if: your parcel is along the Taunton River corridor or another low-lying area mapped in a FEMA flood zone. Confirm your parcel on the FEMA flood map.
Freetown is inland and not directly coastal, so the coastal flood rules that affect South Shore beach towns do not apply here. Freetown's flood exposure is riverine: FEMA maps a Zone A along the Taunton River corridor, with some inland flood concerns [FEMA].
An ADU on a parcel inside the riverine flood zone needs FEMA-compliant siting and elevation, which adds cost and engineering on those specific lots. We check the FEMA map on Day 1 so a flood-zone parcel does not surprise you after design.
Does the new MBTA station affect Freetown ADU parking? Transit exemption
Likely affects you if: your parcel is within 0.5 miles of the new Freetown MBTA station or any bus station. Confirm your parcel's distance with a MassGIS measurement.
MBTA South Coast Rail formally launched in Freetown on March 24, 2025 [Town Homepage] [MBTA], bringing passenger rail to the area for the first time in over 65 years. Section 300-5.11 normally requires one additional off-street parking space for an ADU, but it explicitly states that an ADU within 0.5 miles of a commuter rail or bus station needs no off-street parking [Section 300-5.11].
That is one of the most state-law-aligned transit-parking provisions we work with. If your parcel falls inside the half-mile radius of the new station, that is a parking space you do not have to design. We pull the 0.5-mile radius map for every Freetown project.
What Does a Freetown ADU Cost?
A Freetown ADU should not be priced from square footage alone. Two 800 sq ft ADUs can price very differently depending on septic capacity, conservation review, aquifer overlay, and site access. Freetown's rural lots and value market make it more affordable than the coastal towns, and the new station can take a parking space off the design.
That is the full span of our 14 floor plans. Prices include the complete building package, foundation through move-in-ready finishes. Site work is priced separately after a lot evaluation.
Freetown-specific cost factors
See full ADU pricing and floor plans. For a Freetown-specific quote, call (781) 627-7000. We will not quote a Freetown ADU until we know your sewer or septic status, your wetlands and aquifer overlays, and whether your parcel falls inside the MBTA station parking radius.
How the Freetown ADU Permit Process Works
One building permit, by-right. The overlays, not the permit, drive the timeline.
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1
Parcel review
1 to 2 weeks
BuildX maps your parcel against zoning, sewer or septic, FEMA flood zone, wetlands, aquifer overlay, and the MBTA station parking radius before quoting. This is the step that determines whether the rest of the timeline is straightforward or extended. MassGIS overlay checks happen on Day 1.
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2
Building permit
Varies by completeness and the Building Department review queue
File the building permit application with the Freetown Building Department. Under Section 300-5.11, a protected-use ADU at or under 900 sq ft is by-right, so there is no special permit and no public hearing. Confirm the current application method and turnaround with the Building Department at (508) 644-2201 ext. 3.
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3
Septic, conservation, and overlay reviews (if triggered)
Add time when triggered
Title 5 septic review through the Board of Health on septic-served parcels, a Freetown Conservation Commission filing for wetlands and Taunton River buffers (MGL c.131 Section 40), and aquifer or wellhead overlay review where applicable. These run alongside the building permit but can extend the critical path.
Overall planning assumption: a clean parcel with municipal sewer and no overlay triggers moves quickly under the by-right building-permit path. Add time for Title 5 review on septic parcels and for any Conservation Commission filing.
After the permit issues, construction inspections run through the Freetown Building Department. Confirm current administrative posture at (508) 644-2201 ext. 3.
What Freetown Zoning Districts Allow ADUs?
Freetown uses a traditional use-separation zoning structure, not a form-based code [Chapter 300]. Section 300-5.11 allows one protected-use ADU by-right on each lot in a Single-Family Residential Zoning District. Dimensional values (lot, frontage, setback, height) live in Article VI Height and Area Regulations. Confirm exact values for your district with the Freetown Building Department.
Single-Family Residential Zoning Districts Where ADUs are by-right
- ADUs allowed: One protected-use ADU, by-right
- ADU types: Detached, attached, interior conversion
- Max size: 900 sq ft or 50% of principal dwelling, whichever is smaller
- Dimensional values: Per Article VI. Confirm with the Freetown Building Department
Bylaw cleanup: the Section 300-5.11 ADU article also removes Section 300-6.1.F [Article VI], the old rule that required 175 ft of frontage and 70,000 sq ft for a single-family dwelling. Clearing it confirms the old large-lot minimum is not an impediment to an ADU, since an ADU is subordinate to an existing dwelling rather than a new principal dwelling.
What this means for your ADU: Freetown's rural character means larger lots are common, which gives detached ADU cottages good siting flexibility. The constraints that drive design are usually septic capacity, wetlands buffers, aquifer overlays, and utility runs, not the zoning rules themselves.
Commercial and agricultural districts
Freetown also has commercial and agricultural zoning. Section 300-5.11 keys the by-right ADU allowance to Single-Family Residential Zoning Districts [Article V], so if your parcel is in another district, confirm your zoning designation with the Building Department before design.
State forest and conservation land
The Freetown-Fall River State Forest occupies a substantial portion of the town [Wikipedia]. It is conservation land, not buildable. ADU work concentrates on the residentially zoned portions outside the forest. This is part of why Freetown's lots tend to be larger and its density lower than many South Shore towns.
Source: Freetown Zoning Bylaw, Article VI Height and Area Regulations. Confirm exact dimensional values for your district with the Freetown Building Department.
Sewer or Septic? Freetown Is Mostly Septic.
This is the single biggest cost variable in any Freetown ADU project. Freetown has limited municipal sewer, so most residential lots are on private septic. Confirm sewer availability for your specific address before design.
Show Title 5, reserve area, and aquifer details
- Septic upgrade cost: $30,000 to $60,000 typical when an upgrade is needed
- Title 5 trigger: Adding a bedroom adds design flow, so a Title 5 inspection is required on septic parcels [Title 5]
- Reserve area: Title 5 requires a reserve area, which matters on tighter lots
- Board of Health: Administers Title 5 review for Freetown [Board of Health]
- Aquifer: Multiple aquifer and Zone II wellhead protection zones [MassGIS]
- Watuppa Pond watershed: Fall River drinking water source; heightened scrutiny near the catchment
Section 300-5.11 explicitly requires conformance with Title V, the State Building Code, and 527 CMR [Section 300-5.11]. We do not quote a Freetown ADU until we know whether your parcel is on sewer or septic. A Title 5 inspection answers that question for your specific property.
Freetown Is Two Villages and a New Transit Town
Freetown is a small, rural town of roughly 9,000 residents [Census], built around two villages, with a brand-new commuter rail station that changes the ADU math near it. An Assonet ADU, an East Freetown ADU, and an ADU within the station radius are different projects.
Freetown ADU Feasibility by Area (At a Glance)
| Freetown Area | Common ADU Issue | BuildX Note |
|---|---|---|
| Assonet (Town Hall village) | Historic village character, septic, lower density | Closer to services; confirm any historic considerations on older structures |
| East Freetown | Second population center, septic, rural lots | Verify zoning and septic per address |
| New MBTA station vicinity | Transit-adjacent since March 2025 | Parking exemption applies within 0.5 mi; transformative for ADU economics |
| State forest perimeter | Conservation land border, rural character | ADU work is on residentially zoned land outside the forest |
| Watuppa Pond watershed (Fall River side) | Watershed protection considerations | Heightened scrutiny if your parcel is in the catchment |
Assonet Septic
Historic village and the location of Town Hall at 3 North Main Street. Lower-density, closer to town services. Older structures may carry historic considerations worth confirming early.
Sewer: Mostly septic. Confirm by address.
East Freetown Septic
The second main population center. Rural character with larger lots. Different feel from Assonet; verify zoning and septic for the specific parcel.
Sewer: Mostly septic. Confirm by address.
New MBTA station vicinity Transit exemption
The Freetown MBTA station opened March 24, 2025 as part of South Coast Rail [Town Homepage] [MBTA]. Parcels within 0.5 miles qualify for the Section 300-5.11 transit parking exemption, so no additional off-street parking space is required. We pull the half-mile radius map for every Freetown project.
Flood risk: Confirm by address; some areas near the corridor are mapped riverine.
State forest perimeter Rural
The Freetown-Fall River State Forest borders a large part of the town. Conservation land, not buildable. ADU work happens on residentially zoned land outside the forest, where lots tend to be larger.
Sewer: Septic. Confirm by address.
Watuppa Pond watershed Watershed
Freetown abuts the Watuppa Pond complex, Fall River's drinking water source. Parcels in the watershed catchment on the Fall River side can carry heightened scrutiny. We pull the watershed map for any property near Watuppa Pond.
Sewer: Septic. Confirm by address.
Freetown Building Department
Freetown Building Department
One person, three roles. William Alphonse, Jr. serves as Freetown's Building Commissioner, Zoning Enforcement Officer, and ADA Coordinator [Building Dept]. That makes him a single point of contact for building, zoning, and accessibility questions, which saves time on an ADU project. It is the same triple-role staffing pattern we see in Norwell.
- AddressFreetown Town Hall, 3 North Main Street, Assonet, MA 02702
- Phone(508) 644-2201 ext. 3
- Building Commissioner, ZEO, and ADA CoordinatorWilliam Alphonse, Jr. [Building Dept]
- Building Departmentfreetownma.gov/1211/Building-Department
- ADU bylawSection 300-5.11 bylaw text
- HoursConfirm current Building Department hours by phone before visiting.
Town Hall is in Assonet village at 3 North Main Street. Freetown holds its Annual Town Meeting on the first Monday in June. The Building Department is the single point of contact for the ADU permit, zoning enforcement, and accessibility questions.
Questions to ask when you call Freetown
- Is my parcel in a Single-Family Residential Zoning District where Section 300-5.11 allows an ADU by-right?
- Is my property on municipal sewer or private septic?
- Will Title 5 review be required for my ADU?
- Is my parcel within a wetland buffer, aquifer overlay, or the Watuppa Pond watershed?
- Is my parcel within 0.5 miles of the new MBTA station for the parking exemption?
- What is the current building permit application method and turnaround time?
Explore Freetown ADU Topics
Jump to the deep-dive sections on this page.
Freetown ADU FAQs
Can I build a detached ADU in Freetown?
Yes, by-right. Protected-use ADUs are by-right under Massachusetts law (760 CMR 71.00), and Freetown's Section 300-5.11 carries that framework into the local zoning bylaw. It allows one protected-use ADU, detached, attached, or interior conversion, by-right on each lot in a Single-Family Residential Zoning District, up to 900 sq ft or 50% of the principal dwelling, whichever is smaller. The ADU must be subordinate in use and size to the principal dwelling. Confirm the local adoption status with the Freetown Town Clerk.
Do I need a special permit for a Freetown ADU?
No. Under Section 300-5.11, a protected-use ADU at or under 900 sq ft is by-right under a building permit only. There is no special permit, no ZBA hearing, and no Planning Board site plan review. The Building Department is the permit-granting authority.
Do I need to live there?
State law (760 CMR 71.00, effective February 2, 2025) does not require owner-occupancy for protected-use ADUs, and Section 300-5.11 is aligned with state law [State FAQ]. Long-term rental of a protected-use ADU is allowed. Confirm the current operating posture with the Freetown Building Department at (508) 644-2201 ext. 3 before signing a lease.
Will I need an extra parking space?
Section 300-5.11 normally requires one additional off-street parking space for an ADU. But the bylaw explicitly states that an ADU within 0.5 miles of a commuter rail or bus station needs no off-street parking. With the new Freetown MBTA station open since March 24, 2025, many parcels near the station qualify. Confirm your parcel's distance with a MassGIS measurement.
How big can a Freetown ADU be?
Up to 900 square feet, or up to 50% of the principal home's gross floor area, whichever is smaller. This matches the state by-right cap under 760 CMR 71.00, so Freetown's local rule and state law align on size.
Sewer or septic in Freetown?
Mostly septic. Freetown has limited municipal sewer, so most residential lots are on private septic. This is the single biggest cost variable. Adding an ADU bedroom adds wastewater design flow, so a Title 5 capacity check is typically required, and a system upgrade or replacement adds $30,000 to $60,000 when an older system cannot carry it. Confirm sewer availability for your specific address before design.
Bristol County or Plymouth County?
Freetown is in Bristol County, and deed recordings go to the Bristol County Registry of Deeds Northern District in Taunton [Bristol Deeds North]. That is different from the neighboring South Coast towns of Acushnet and Fairhaven, which record at the Southern District in New Bedford. We coordinate the right registry per project so the closing workflow does not stall.
What does a Freetown ADU cost?
BuildX ADU pricing ranges from $284,301 to $525,861. That covers the complete building package, foundation through move-in-ready finishes; site work is priced separately after a lot evaluation. Freetown-specific drivers move a project within that band: a septic upgrade adds $30,000 to $60,000 when needed, a Conservation Commission filing for wetlands or the Taunton River corridor adds $5,000 to $15,000 plus review time, and aquifer or watershed overlays can add environmental review. Freetown's rural value market is generally more affordable than the coastal towns. For a property-specific quote, call (781) 627-7000.
Who do I call about building an ADU in Freetown?
For official town process questions (permits, fees, zoning enforcement, building code interpretation), call the Freetown Building Department at (508) 644-2201 ext. 3 and ask for William Alphonse, Jr., who serves as Building Commissioner, Zoning Enforcement Officer, and ADA Coordinator.
For parcel-level feasibility, cost estimates, design options, and construction planning, call BuildX at (781) 627-7000.
The two are different conversations. The town can tell you what is administratively required. BuildX can tell you what is realistic on your specific parcel and what it will actually cost to build.
Can I build an ADU on septic in Freetown?
Possibly. The existing septic system must have capacity under Title 5 (Massachusetts state regulations on subsurface sewage disposal, 310 CMR 15.000) to handle the additional bedroom that an ADU typically adds. Adding a bedroom adds wastewater design flow, and Title 5 calculates whether the system can carry it. Title 5 also requires a reserve area.
Because Freetown is mostly on private septic, this is the first thing BuildX checks. If your existing system lacks capacity, an upgrade or full replacement adds $30,000 to $60,000 or more to the project. We pull the Title 5 records and assess capacity before any design work begins.
Sources Reviewed
Last verified: September 20, 2026. Grouped by source type so you can see which claims come from town law, state law, town process, and local constraints.
View all 21 sources, grouped
- Town of Freetown. Bylaws, Rules, Regulations, Policies, Guidelines. Bylaw publication context; eCode360 updated April 24, 2025; Attorney General decision dated March 21, 2025.
- Town of Freetown. Section 300-5.11 Accessory Dwelling Units bylaw text (2025 Town Meeting Article). Primary ADU bylaw source; explicit transit parking exemption; old Accessory Apartments provision removed; Section 300-6.1.F removed.
- Town of Freetown. Chapter 300 Zoning, Article I General Provisions. Zoning structure.
- Town of Freetown. Article VI Height and Area Regulations. Dimensional regulations; Section 300-6.1.F removed for ADU cleanup (old 70,000 sq ft / 175 ft frontage minimum).
- Town of Freetown. Article V Use Regulations. Use regulations.
- Town of Freetown. eCode360 Town of Freetown table of contents. Bylaw table of contents (eCode360 updated April 24, 2025).
- Commonwealth of Massachusetts. Accessory Dwelling Units (760 CMR 71.00). Effective February 2, 2025. Section 300-5.11 references 760 CMR 71.02 in its Purpose and Intent statement.
- Commonwealth of Massachusetts. Accessory Dwelling Unit (ADU) FAQs. State guidance.
- Massachusetts General Laws. M.G.L. Chapter 40A, Section 3. Zoning Act, as amended by Chapter 150 of the Acts of 2024 (Affordable Homes Act) ADU provisions.
- MassDEP. Title 5 (310 CMR 15.000) Compliance for ADUs FAQ. Highly relevant; Freetown is mostly septic.
- Massachusetts General Laws. M.G.L. Chapter 131, Section 40 (Wetlands Protection Act). Wetlands resource-area review.
- Town of Freetown. Freetown Building Department. Town Hall, 3 North Main Street, Assonet; (508) 644-2201 ext. 3. Building Commissioner, Zoning Enforcement Officer, and ADA Coordinator William Alphonse, Jr.
- Town of Freetown. Freetown Conservation Commission. Administers wetlands and Taunton River corridor resource-area filings (contact via the Town of Freetown website).
- Town of Freetown. Freetown Board of Health. Administers Title 5 septic review (contact via the Town of Freetown website).
- Town of Freetown. Town homepage. MBTA South Coast Rail formally launched in Freetown on March 24, 2025.
- Wikipedia and U.S. Census 2020. Freetown, Massachusetts. Population approximately 9,000; rural; Bristol County Northern District; Freetown-Fall River State Forest; Assonet historic village.
- Census Reporter. Freetown Town Profile. Demographics.
- Bristol County Registry of Deeds. Northern District (Taunton). Deed registry for Freetown; different from the Southern District in New Bedford used by Acushnet and Fairhaven.
- MBTA. South Coast Rail extension. Freetown Station opened March 24, 2025.
- Massachusetts GIS (MassGIS). Aquifer and Zone II Wellhead Protection GIS layers. Multiple aquifer and wellhead protection zones for Freetown; Watuppa Pond watershed context.
- Federal Emergency Management Agency (FEMA). Flood Map Service Center. Freetown flood zone lookup; riverine Zone A along the Taunton River corridor.
Nearby South Coast ADU Rules
Freetown borders Lakeville to the north, Acushnet to the east, and Rochester to the east, with Berkley, Fall River, and the New Bedford area also adjacent. All of BuildX's South Coast cities are home territory, the same neighborhoods we build in.
ADU Rules by City in the BuildX Service Area
BuildX serves 40 towns across four areas of southeastern Massachusetts. Each city has its own ADU bylaw, sewer or septic split, overlay map, and Building Department contact. Jump to the rules for your town:
South Shore (22)
South Coast (9)
- Acushnet
- Fairhaven
- Freetown (you are here)
- Lakeville
- Marion
- Mattapoisett
- Middleborough
- Rochester
- Wareham
Bridgewater Area (5)
Thinking about an ADU in Freetown?
BuildX can review your Freetown parcel for zoning, sewer or septic, FEMA flood zone, wetlands, aquifer overlay, and the MBTA station parking radius before you spend money on design or permitting. Freetown is BuildX home territory, so we know the constraints that drive your project and the clean by-right path through Section 300-5.11.
See our ADU project portfolio or visit the ADU Home TourDisclaimer: The information on this page is drawn from live interviews, podcast episodes, municipal bylaws, planning board materials, town websites, and other publicly available sources, and reflects what was accurate as of the original recording or verification date. Pricing, timelines, materials, regulations, zoning rules, permit processes, fees, and overlay district boundaries can change -- sometimes without public notice -- and no two towns interpret or apply the rules the same way. This page is for informational purposes only and should not be relied upon as the basis for any purchasing, construction, or investment decision. BuildX makes no guarantee that the information is current or complete for your specific parcel. Before making any decisions, contact the town directly or call BuildX at (781) 627-7000 or schedule a Project Clarity Call to review your specific situation.