ADU Rules in Raynham, MA
Yes. Raynham allows protected-use ADUs by-right under state law up to 900 sq ft. The friction is not zoning. It is septic capacity, conservation review near the Hockomock Swamp and Raynham's three drainage systems, the 6-month permit rule, and getting the Bristol County recording right.
Call BuildX: (781) 627-7000
Raynham ADUs are legal by-right under state law
State law applies (760 CMR 71.00) · Confirm Raynham's local bylaw status with the Building DepartmentA specific Raynham local ADU bylaw was not surfaced in our research, so Raynham operates under Massachusetts state law for protected-use ADUs until a local bylaw is confirmed or adopted. Under the state ADU law (760 CMR 71.00), effective February 2, 2025 [760 CMR 71], protected-use ADUs are permitted by-right in zones that allow single-family dwellings, up to 900 sq ft or 50% of the principal dwelling, whichever is smaller, subject to the building code and Title 5. Raynham borders East Bridgewater, the town whose AGO decision (April 14, 2025) confirmed towns "cannot limit Protected Use ADUs to single-family-only lots" [East Bridgewater AGO]. That regional precedent reinforces the by-right path here.
Can I build an ADU in Raynham, MA?
Yes. Raynham allows protected-use ADUs by-right under Massachusetts state law (760 CMR 71.00) in zones that allow single-family dwellings, up to 900 sq ft or 50% of the principal dwelling, whichever is smaller. No special permit, no owner-occupancy requirement, and no minimum-lot-size requirement applies to a protected-use ADU. Confirm Raynham's current local bylaw status with the Building Department before you design.
Show what state law provides and the local bylaw note
Until a Raynham-specific ADU bylaw is confirmed, the state framework governs. For a protected-use ADU, that means:
- No special permit required: Protected-use ADUs are by-right. The East Bridgewater AGO decision (neighboring town) reinforces this [East Bridgewater AGO]
- No owner-occupancy requirement: Preempted for protected-use ADUs [760 CMR 71]
- No minimum lot size requirement: Preempted for protected-use ADUs [760 CMR 71]
- Short-term rental restrictions allowed: State law permits reasonable local STR regulation
- Title 5, Conservation Commission, and Wetlands fully enforceable: These are non-zoning and still apply
Raynham is in Bristol County, not Plymouth County. Deed recordings go to the Bristol County NORTHERN District Registry of Deeds in Taunton [Bristol Deeds N]. This matters near the Bridgewater border, where Bridgewater and East Bridgewater record in Plymouth County while Raynham records in Bristol. Properties on the town line can have different recording counties parcel to parcel, so confirm the recording county by address.
Raynham's Chapter 165 bylaw also carries a penalty schedule: a fine of not more than $200 for each offense, with each day a violation continues counting as a separate offense [Chapter 165]. The figures are modest, but enforcement is real, which is one more reason to keep a clean, active permit.
The local bylaw question. Raynham's zoning bylaw on ecode360 reflects current legislation through January 19, 2023, and a 2025 update may exist. We do not assume one way or the other. Before you design, confirm with the Raynham Building Department or Planning Department whether Raynham has adopted any post-February 2, 2025 ADU amendment and how it is processing protected-use ADU applications. Whether your specific parcel and zoning district qualify is the Planning Department's call, not ours.
Garage conversion ADU
A common variation of either the detached or attached ADU path, depending on the garage configuration. Under the state framework, a garage conversion is classified based on whether the converted structure is structurally attached to the principal dwelling.
- If the garage is attached to the house: Treated as an attached ADU (addition or alteration permit)
- If the garage is detached from the house: Treated as a detached ADU (new construction or major alteration permit)
- Best for: Properties with a structurally sound existing garage; ability to reuse foundation, walls, and roof; faster permitting than ground-up construction
- Watch for: Foundation adequacy, insulation upgrades, separate-entrance and bathroom plumbing additions, replacing the garage door with proper wall and window framing, and septic capacity if the conversion adds a bedroom
Raynham ADU Rules at a Glance
The six things most homeowners ask first. Tap "View all rule details" for the complete data set.
View all Raynham rule details
- ADU types allowed: Detached, attached, interior conversion (per state law)
- Governing framework: State law 760 CMR 71.00; confirm Raynham's local ADU bylaw status with the Building Department
- Owner-occupancy: Not required for protected-use ADUs (preempted)
- Minimum lot size: Not required for protected-use ADUs (preempted)
- Long-term rental: Allowed; strong demand near the Bridgewater border
- Short-term rental: Reasonable local restrictions allowed under state law
- Permit duration: 6-month "use it or lose it" rule (Chapter 165) [Chapter 165]
- Penalty schedule: Up to $200 per offense; each day is a separate offense (Chapter 165)
- Sewer status: Mostly private septic; limited municipal sewer
- Water: Raynham Center Water District in part; many properties on private wells
- Aquifer overlay: Zone II wellhead protection overlays apply [MassGIS]
- Conservation: Hockomock Swamp ACEC (north), Taunton River (south), Three-Mile River drainage
- Transit: No Raynham station; Bridgewater Station in adjacent Bridgewater
- Recording county: Bristol County NORTHERN District, Taunton [Bristol Deeds N]
- Online permitting: Available per Building Department news [Building Inspections]
- Dimensional standards: Confirm exact lot, frontage, setback, and height values with the Raynham Planning Department at (508) 824-2745
Why BuildX Knows Raynham ADUs
Raynham is part of BuildX's South Shore home territory. We work Raynham every month designing ADUs for your neighbors and we know the septic, conservation, Bristol County recording, and 6-month permit constraints that drive your project.
Raynham Home Territory
Raynham is BuildX home territory. We are your neighbors, not a regional contractor. We work here every month, so we know Raynham ADU parcels, the septic and conservation constraints, and the Bristol County recording detail 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, Hockomock Swamp ACEC proximity, aquifer overlay, and recording county.
We Work Raynham Every Month
Raynham is part of BuildX's South Shore home territory. We work Raynham every month designing ADUs for your neighbors. We bid Raynham ADU projects regularly as part of our standard business operations. We don't have a Raynham build on the board yet. Yours could be the first.
What we've built nearby: the Stewart ADU in Easton, which borders Raynham to the north, and the Aguiar ADU in Berkley, just to the south. And across the South Shore, BuildX has an active pipeline of ADUs in two dozen towns, including the Harlow build in East Bridgewater in the same Bridgewater Area region.
Real families. Real builds. Real ADUs on the South Shore. See more BuildX ADU builds →
What Can Complicate a Raynham ADU?
In Raynham, your parcel's septic, conservation, and recording details, not the by-right zoning question, are usually what move project cost and timeline. The factors that come up most often:
Do I need septic approval for a Raynham ADU? Septic
Likely affects you if: your parcel is in one of Raynham's outlying areas not connected to municipal sewer. Most of Raynham is on private septic, so this affects the majority of ADU projects in town. Confirm sewer availability for your address before design.
Likely yes if your parcel is on private septic, which covers most of Raynham. Adding a bedroom adds wastewater design flow, so a Title 5 inspection and capacity check are typically required before the ADU permit is approved. Building a detached ADU also triggers an inspection of the existing primary septic system under 310 CMR 15.301(5) [Mass.gov ADU FAQs].
The minimum septic tank capacity under Title 5 is 1,500 gallons, with a two-compartment tank required if the ADU includes a garbage disposal [Mass.gov ADU FAQs].
Cost impact: $30,000 to $60,000 for a Title 5 capacity check plus possible system replacement when an older system cannot carry an additional ADU bedroom. We pull Title 5 records and assess capacity before we quote.
Do wetlands or the Hockomock Swamp affect Raynham ADUs? Conservation
Likely affects you if: your lot is within 100 feet of a wetland resource area, in northern Raynham near the Hockomock Swamp, or near the Taunton River or Three-Mile River drainage. Verify your parcel's resource areas by address.
Possibly. The Raynham Conservation Commission is very active because the town carries three drainage systems: the Taunton River to the south, the Hockomock Swamp drainage to the north, and the Three-Mile River drainage, plus multiple tributaries and ponds. Work within 100 feet of a wetland resource area triggers a Notice of Intent or Request for Determination filing under the Wetlands Protection Act, MGL c.131 ยง40 [WPA].
Hockomock Swamp ACEC: Northern Raynham is adjacent to the Hockomock Swamp Area of Critical Environmental Concern. Projects in that area face additional Conservation Commission and MassDEP review and stricter wetlands standards. Coordinate with the Conservation Commission early.
Cost impact: +$5,000 to $15,000 plus 6 to 10 weeks of additional review for filings near resource areas. Hockomock-adjacent work can add +$10,000 to $25,000 and 8 to 12 weeks. We map resource areas on the Day 1 property review.
What is Raynham's 6-month permit rule? Permit timing
Likely affects you if: you plan to pull a permit and then wait on financing, design changes, or a contractor's schedule before breaking ground.
Raynham's Chapter 165 Building Construction Bylaw states that building permits are null and void six months after the date of issue unless work has started and is proceeding at a reasonable rate [Chapter 165]. This is one of the more explicit permit-duration rules in the area.
What it means for your ADU: do not pull the permit until you are ready to begin. We sequence the permit so that site work and the build follow promptly, and we track every milestone so the permit stays active. We do not sit on permits.
Does Bridgewater Station affect Raynham ADU parking? Transit
Likely affects you if: your parcel is near the Bridgewater border, close to the Bridgewater commuter rail station.
Raynham does not have a commuter rail station within town limits. The nearest station is Bridgewater Station in adjacent Bridgewater, on the Fall River/New Bedford Line (the former Middleborough/Lakeville Line). Service on that line was reconfigured and expanded under South Coast Rail effective March 24, 2025 [MBTA South Coast Rail].
Properties near the Bridgewater border, within roughly 0.5 miles of Bridgewater Station, may qualify for the state's transit-adjacent parking exemption. That can mean fewer required off-street parking spaces for an ADU. Whether your specific parcel qualifies depends on the measured distance and how the rule is applied, so confirm by address.
Which county does Raynham record deeds in? Recording
Likely affects you if: your property is near the Bridgewater border, where Raynham (Bristol County) meets Bridgewater and East Bridgewater (Plymouth County).
Raynham is in Bristol County, not Plymouth County. Deed recordings go to the Bristol County NORTHERN District Registry of Deeds in Taunton [Bristol Deeds N]. Neighboring Bridgewater and East Bridgewater record in Plymouth County, so on the town line the recording county can differ parcel to parcel.
This is a detail that trips up paperwork when a build sits near the border. We handle the Taunton recording correctly and confirm the recording county by address before closing anything.
What Does a Raynham ADU Cost?
A Raynham ADU should not be priced from square footage alone. Two 800 sq ft ADUs can price very differently depending on septic capacity, conservation review near the swamp or the rivers, and site access.
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.
Raynham-specific cost premium factors
See full ADU pricing and floor plans. For a Raynham-specific quote, call (781) 627-7000. We will not quote a Raynham ADU until we know your sewer or septic status, your Hockomock Swamp and wetland resource-area proximity, and your recording county near the Bridgewater border.
How the Raynham ADU Permit Process Works
For a protected-use ADU at or under 900 sq ft, Raynham processes by-right under state law. Two details shape the path: the town's two municipal locations and the 6-month permit rule.
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1
Parcel review
1 to 2 weeks
BuildX maps your parcel against zoning, sewer or septic, FEMA flood zone, wetlands, Hockomock Swamp ACEC proximity, aquifer overlay, and recording county before quoting. This is the step that determines whether the rest of the timeline is straightforward or extended. MassGIS and parcel overlay checks happen on Day 1.
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2
Confirm local status and design
Varies by parcel
We confirm with the Building Department or Planning Department how Raynham is processing protected-use ADU applications and whether any local bylaw amendment applies, then design to the state framework and any local design rules. Whether your specific district qualifies is the Planning Department's call.
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3
Building permit
Confirm current turnaround with the Building Department
The Building Inspector at 53 Orchard Street is the permit-granting authority. Online permitting is available [Building Inspections]. We coordinate electrical inspection scheduling with Electrical Inspector Bob Bessette [Bob Bessette], who holds office hours Tuesday, Wednesday, and Friday mornings; call (508) 824-2708 to schedule.
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4
Start work within the 6-month window
Permit void after 6 months if idle
Under Chapter 165, the building permit is null and void six months after issue unless work has started and is proceeding at a reasonable rate [Chapter 165]. We pull the permit when we are ready to build, then keep the work moving so the permit stays active.
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5
Overlay reviews (if triggered)
Add 6 to 12+ weeks when triggered
Title 5 septic review (MassDEP 310 CMR 15.000), Conservation Commission filing for wetland buffers (MGL c.131 ยง40), and additional Hockomock Swamp ACEC review for northern Raynham parcels. These run alongside the build but can extend the critical path.
Overall planning assumption: a clean parcel with no overlay triggers moves quickly once the permit issues. Add 6 to 12+ weeks for Title 5, Conservation Commission, or Hockomock Swamp ACEC review. Confirm current turnaround with the Building Department.
After permits issue, construction inspections run through the Raynham Building Department. Confirm current administrative posture at (508) 824-2708.
Sewer or Septic? Raynham Is Mostly Septic.
This is the single biggest cost variable in most Raynham ADU projects. Raynham has limited municipal sewer, so most properties rely on private septic. Some properties connect to the Raynham Center Water District, while many are on private wells. Confirm your parcel's sewer and water service by address before design.
Show Title 5, water utility, and aquifer details
- Title 5 trigger: Adding a bedroom adds design flow, so a Title 5 inspection is required on septic parcels; a detached ADU also triggers inspection of the existing system per 310 CMR 15.301(5) [MassDEP Title 5]
- Minimum septic tank: 1,500 gallons; two-compartment if the ADU has a garbage disposal [Mass.gov ADU FAQs]
- Septic upgrade cost: $30,000 to $60,000 when an upgrade is needed
- Water utility: Raynham Center Water District in part; many parcels on private wells
- Aquifer: Zone II wellhead protection overlays apply; verify by address [MassGIS]
Most of Raynham is on private septic. We do not quote a Raynham ADU until we know whether your parcel is on sewer or septic and whether it sits in a Zone II wellhead protection area. A Title 5 inspection answers the capacity question for your specific property.
Raynham Has Several Distinct ADU Contexts
Raynham is a mid-sized inland town of about 14,000 people. The areas and features that come up most often in ADU planning each have their own septic, conservation, and commuter profile. A northern parcel near the Hockomock Swamp is a different project from one near the Bridgewater border.
Bridgewater border properties Strong rental demand
Properties near the Bridgewater border benefit from Bridgewater State University rental demand spillover. Bridgewater State, in adjacent Bridgewater, has roughly 10,000 or more students, which supports a strong year-round rental market for nearby Raynham properties, with long-term 12-month leases the practical focus.
These parcels may also be near enough to Bridgewater Station to consider the transit parking exemption. Confirm distance by address.
Northern Raynham (Hockomock Swamp area) ACEC
Northern Raynham is adjacent to the Hockomock Swamp Area of Critical Environmental Concern. ADU work here faces additional Conservation Commission and MassDEP review and stricter wetlands standards. Plan for it early; we coordinate the Conservation Commission filing up front.
Route 24 and Route 138 corridors Commuter access
Raynham carries strong commuter access on Route 24 (the major highway through east Raynham), Route 138 (the north-south spine), and Route 44 and Route 104. Route 24 supports Boston commuter access, which keeps rental demand for commuter tenants steady.
Raynham Park redevelopment area Commercial growth
Raynham Park, the former greyhound racing site, is being redeveloped as a major commercial center. It is useful local context for nearby property considerations and adds to the area's commercial growth.
Taunton River and Three-Mile River drainage Conservation
The Taunton River runs to the south and the Three-Mile River drainage crosses the town, in addition to the Hockomock Swamp drainage to the north. Three drainage systems mean frequent Conservation Commission filings for projects near resource areas. Verify your parcel's resource areas by address.
Outlying rural areas Septic
Most of Raynham is outlying, on private septic with private wells common. Title 5 capacity and well siting are the design constraints to solve first on these parcels.
Raynham Building Department
Raynham Building Department, Building Inspector Office
- Building Inspector address53 Orchard Street, Raynham, MA 02767 (Raynham Municipal Building, separate from Town Hall)
- Town Hall and Planning558 South Main Street, Raynham, MA 02767
- Building phone(508) 824-2708
- Planning Department(508) 824-2745
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Town Hall hours
Monday to Thursday8:30 AM to 4:30 PMTuesday (extended)6:00 PM to 8:00 PMFridayConfirm by phone
- Building Inspections office hoursMonday and Wednesday 10:00 AM to 2:00 PM; Tuesday and Thursday, verify by phone.
- Electrical InspectorBob Bessette [Bob Bessette]. Office Tuesday, Wednesday, Friday 8:30 to 9:30 AM; inspections 9:30 to 11:30 AM. Call (508) 824-2708 to schedule.
- Online permittingAvailable per Building Department news [Building Inspections]. Confirm the platform and account setup by phone.
- Building Departmenttown.raynham.ma.us/building-department
Raynham runs the Building Inspector office at 53 Orchard Street separately from Town Hall and Planning at 558 South Main Street, so plan to coordinate across two locations. The Tuesday evening extended Town Hall hours (6:00 to 8:00 PM) are unusual for a Massachusetts town and worth using for evening conversations.
Questions to ask when you call Raynham
- Has Raynham adopted any local ADU bylaw amendment after February 2, 2025?
- How is Raynham currently processing protected-use ADU applications under state law?
- Is my property on municipal sewer or private septic, and will Title 5 review be required?
- Is my parcel near the Hockomock Swamp ACEC, a wetland resource area, or a Zone II wellhead protection overlay?
- Does my parcel near the Bridgewater border qualify for the Bridgewater Station parking exemption?
- Does my property record in Bristol County or Plymouth County?
- How does the 6-month permit rule apply to my ADU work?
Explore Raynham ADU Topics
Jump to deep-dive sections on this page.
Raynham ADU FAQs
Can I build a detached ADU in Raynham?
Yes, by-right under state law. A specific Raynham local ADU bylaw was not surfaced in our research, so Raynham operates under Massachusetts state law (760 CMR 71.00) for protected-use ADUs. Detached, attached, and interior-conversion ADUs are permitted by-right in zones that allow single-family dwellings, up to 900 square feet. The East Bridgewater AGO decision next door reinforces that towns cannot limit protected-use ADUs to single-family-only lots. Confirm Raynham's current local bylaw status with the Building Department before you design.
Does Raynham have its own ADU bylaw?
A specific Raynham ADU bylaw was not surfaced in our research. Raynham's zoning bylaw on ecode360 reflects current legislation through January 19, 2023, and a 2025 update may exist. We do not assume one way or the other. Until it is confirmed, state law (760 CMR 71.00) governs protected-use ADUs. Confirm with the Building Department or Planning Department whether Raynham has adopted any post-February 2, 2025 ADU amendment and how it is processing applications.
Do I need a special permit for a Raynham ADU?
No, for a protected-use ADU. Under state law, a protected-use ADU at or under 900 square feet is by-right in zones that allow single-family dwellings, with no special permit, no owner-occupancy requirement, and no minimum-lot-size requirement. The East Bridgewater AGO decision (April 14, 2025) reinforces the by-right path regionally.
Can I do an interior conversion ADU in Raynham?
Yes. Under the state framework, an interior conversion (carving an ADU out of existing finished space, such as a basement, attic, or a portion of the main house) is a protected-use ADU when it stays at or under 900 square feet. It follows the same by-right path as detached and attached ADUs.
Two Raynham details still apply. If the conversion adds a bedroom, Title 5 septic capacity has to carry the added design flow on a septic-served lot. And Raynham's Chapter 165 6-month permit rule applies, so we sequence the permit and track every milestone so it stays active. We do not pull the permit until the work is ready to start.
Sewer or septic in Raynham?
Mostly septic. Raynham has limited municipal sewer, so most properties rely on private septic, and many outlying parcels are on private wells. This is the single biggest cost variable. A Title 5 capacity check plus a possible system upgrade adds $30,000 to $60,000 to a septic-served Raynham ADU project. Confirm sewer and water service for your address before design.
Which county does Raynham record in?
Bristol County, NORTHERN District, at the Registry of Deeds in Taunton. This is different from neighboring Bridgewater and East Bridgewater, which are in Plymouth County. Near the Bridgewater border, the recording county can differ parcel to parcel, so confirm by address. We handle the Taunton recording correctly.
What does a Raynham 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. Raynham-specific drivers move a project within that band: septic upgrades add $30,000 to $60,000, Conservation Commission filings add $5,000 to $15,000, and Hockomock Swamp ACEC review can add $10,000 to $25,000 with extra weeks. For a property-specific quote, call (781) 627-7000.
Is Raynham a good ADU rental market?
It can be strong, especially near the Bridgewater border. Bridgewater State University in adjacent Bridgewater, with roughly 10,000 or more students, drives rental demand spillover into nearby Raynham, with long-term 12-month leases the practical focus. Raynham also shares the Bridgewater-Raynham Regional School District with Bridgewater, which supports consistent family rental demand. Strong Route 24 and Route 138 commuter access adds to the tenant pool.
Who do I call about building an ADU in Raynham?
For official town process questions (permits, fees, inspector availability, online permitting help, building code interpretation, and local bylaw status), call the Raynham Building Department at (508) 824-2708 or the Planning Department at (508) 824-2745.
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.
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 22 sources, grouped
- Town of Raynham. Zoning Laws. Zoning Laws umbrella page.
- Town of Raynham. Zoning Bylaw Article 6 (Use Regulations).
- Town of Raynham via ecode360. Raynham Town Bylaws. Current legislation through January 19, 2023; a 2025 update may exist.
- Town of Raynham via ecode360. Chapter 165 Building Construction Bylaw. Source for the 6-month "use it or lose it" permit rule and the $200-per-offense-per-day penalty schedule.
- Town of Raynham via ecode360. Article 6 Regulations.
- Office of the Massachusetts Attorney General, Municipal Law Unit, via Mass.gov ADU FAQs. East Bridgewater AGO Decision (April 14, 2025). The state ADU FAQs cite this decision: a municipality cannot limit protected-use ADUs to single-family-only lots. East Bridgewater is an adjacent town to Raynham; the decision is regional precedent.
- Commonwealth of Massachusetts, Executive Office of Housing and Livable Communities. 760 CMR 71.00: Protected Use Accessory Dwelling Units (regulation). The regulation took effect January 31, 2025; it implements the Affordable Homes Act amendment to MGL c.40A ยง3, under which the protected-use ADU right took effect February 2, 2025.
- Mass.gov. Accessory Dwelling Unit (ADU) FAQs. State guidance on Title 5 ADU compliance, including the existing-system inspection trigger and 1,500-gallon minimum tank.
- MassDEP. Title 5 (310 CMR 15.000) Compliance for ADUs FAQ.
- Massachusetts General Laws. M.G.L. Chapter 131, Section 40 (Wetlands Protection Act). Raynham Conservation Commission jurisdiction near wetland resource areas, the Hockomock Swamp ACEC, the Taunton River, and the Three-Mile River.
- Town of Raynham. Building Department. Building Inspector at 53 Orchard Street (Raynham Municipal Building, separate from Town Hall at 558 South Main Street); phone (508) 824-2708; fax (508) 828-4290; Town Hall main 508-824-2700; Tuesday extended evening hours 6:00 to 8:00 PM at Town Hall.
- Town of Raynham. Electrical Inspector Bob Bessette. Office hours Tuesday, Wednesday, Friday 8:30 to 9:30 AM; inspections 9:30 to 11:30 AM; call (508) 824-2708 to schedule.
- Town of Raynham. Building Inspections and Permitting. Office hours and confirmation that online permitting is now available.
- Town of Raynham. Contacts Directory.
- Town of Raynham. Departments.
- Town of Raynham. Planning Department. Phone 508-824-2745; 558 South Main Street (Town Hall).
- Bristol County NORTHERN District Registry of Deeds. Bristol County NORTHERN District (Taunton). Deed registry for Raynham; distinct from neighboring Plymouth County towns.
- County Office. Raynham Building Inspector at 53 Orchard Street. Third-party verification of the separate Building Inspector address.
- MassGIS, Bureau of Geographic Information. Aquifer and Zone II Wellhead Protection GIS layers. Aquifer and wellhead protection overlays plus Hockomock Swamp ACEC GIS data.
- Federal Emergency Management Agency. FEMA Flood Map Service Center. Raynham inland flood zone lookup along the Taunton River, Hockomock Swamp, Three-Mile River, and tributaries.
- Wikipedia and U.S. Census. Raynham, Massachusetts. Population (about 14,000), geography, the Raynham Park greyhound racing heritage and redevelopment, the Bridgewater-Raynham Regional School District, and major commuter routes.
- Massachusetts Bay Transportation Authority. South Coast Rail. Phase 1 service began March 24, 2025; the former Middleborough/Lakeville Line, which serves Bridgewater, was renamed the Fall River/New Bedford Line, with added trips benefiting Bridgewater and Brockton.
Nearby South Shore ADU Rules
Raynham borders Bridgewater to the north (the BSU and regional-school partner), Easton to the north (sharing the Hockomock Swamp region), Lakeville to the south, and Middleborough to the south. All four are home territory for BuildX, 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)
Bridgewater Area (5)
- Bridgewater
- Carver
- Easton
- Halifax
- Raynham (you are here)
Thinking about an ADU in Raynham?
BuildX can review your Raynham parcel for zoning, sewer or septic, FEMA flood zone, wetlands, Hockomock Swamp ACEC proximity, aquifer overlay, and recording county before you spend money on design or permitting. Raynham is BuildX home territory, so we know the constraints that drive your project, the 6-month permit rule, and the Bristol County recording detail.
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.