X-15 The Retreat

Total living area 900 GFA • 1-bed • 1-bath • 1-Car Garage • Attic • Basement

X-15 The Retreat Starting Price of $405,062

Starting at $405,062*

Fully Finished ADU Construction (Base Package)

BuildX delivers a complete, move-in-ready ADU home with premium standard selections and full project management from architectural/engineering plans and permits through the engineered foundation, complete exterior build, full electrical and plumbing to a single connection point, high-efficiency heat-pump HVAC, and finished interiors including kitchen and bath. Premium by default. Custom by design.

Starting price reflects the ADU building package with premium standard selections. Total project pricing is confirmed after property evaluation and engineered site development scope is defined (utilities, excavation/grading, drainage, sewer tie-in or septic, and related conditions).

See How Pricing Works

Floor Plan X-15 The Retreat

BuildX - South Shore's Premier ADU Builder | ★★★★★ 5-Star Reviews on Google

Experience The BuildX Difference

Basic Parameters

Total Living Area900 GFA (Gross Floor Area)
Ceiling Height9' throughout
Bedrooms1
Exterior Dimensions31' - 48' footprint
Bathrooms1
Porch1-Car Garage, Attic, Basement

Energy & Accessibility

Super Energy Efficient Design
Solar-Ready
ADA Compliant ReadyPotential for zero-threshold entries 36" wide doorways
LED Lighting Throughout
Spacious bathroom and kitchen layouts
BuildX Guarantee

The BuildX Promise

Premium Materials
Guaranteed Build in 100 Days
Craftsmanship You Can Trust

Additional Features

Free consultation available
Downloadable free plans available
Additional floor plans available

“People Love To Walk Right Inside & See For Themselves The Quality”

BuildX ADU Home Tour Reviews

“We couldn't be happier with our experience with BuildX. Before finding them, we spoke with a couple of other companies, but it quickly became clear that BuildX was in a completely different league. They completed the project in under 100 days, and the quality of the work is outstanding.”

Bartlett Family
Bartlett Family Real BuildX ADU Customer

“We recently had an ADU built on our property for my stepfather, and I couldn't be more pleased with the experience of working with BuildX. The quality of the finished home is truly exceptional. Everyone who walks through it is amazed that it's only 900 square feet - it feels much more spacious.”

Farrell Family
Farrell Family Real BuildX ADU Customer

See what folks are saying online

This is a live feed of our most recent Google Reviews — unfiltered, unedited, directly from Google.

Google Reviews
5.0
★★★★★

Based on 43+ reviews

View on Google

Our Most Popular ADU Plans

View All ADU Floor Plans
X-2 The Hideaway
1-bed 1-bath 500-650 SF Covered Entryway

X-2 The Hideaway $284,301*

The Hideaway delivers 610 GFA in a compact 20'-30' footprint, with 1 bedroom, 1 full bath, and a Covered Entryway, plus 9' ceilings, LED

X-10 The Nook
1-bed 1-bath 651-800 SF Farmer's Porch

X-10 The Nook $314,602*

The Nook delivers 667 GFA in a compact 24'-30' footprint, with 1 bedroom, 1 bath, and a Farmer's Porch, plus 9' ceilings, LED lighting,

X-14 The Woodland
1-bed 1.5-bath 651-800 SF Farmer's Porch

X-14 The Woodland $332,500*

The Woodland delivers 725 GFA in a compact 26'-36' footprint, with 1 bedroom, 1.5 bath, a Farmer's Porch, plus 10' ceilings, LED lighting,

Meet the builder

Buz Artiano, Owner of BuildX

Buz Artiano

"My name is Buz Artiano, owner of BuildX. At BuildX we're more than a home builder. While building is what we do, the relationships that are created in the process are what drives our passion to transform your dream into a reality. That is why we strive to give a first-class experience to our clients by listening to their vision and then building their trust with a custom home design that matches their taste and lifestyle."

Questions from visitors like you

We guarantee a 100-day build from the day we start. Permits can take 90 to 120+ days.
BuildX serves communities across Southeastern Massachusetts and the Boston South Shore. This includes towns such as Plymouth, Marshfield, Freetown, Bridgewater, Hingham, Plympton, and many more. For a full list, click here.
Yes. We stand by the quality and durability of our work with a 3-year warranty well beyond the standard 1-year coverage offered by most builders. This ensures any issues related to our construction are addressed promptly. Plus, we include an 11-month check-in after completion to make sure you're fully satisfied.
Absolutely. We're proud of our craftsmanship and can share a portfolio of past residential projects that highlight our quality, attention to detail, and range of styles. We're also happy to provide client references. You can also watch some of our client testimonials on YouTube!
If you're interested in moving forward, the next step is to schedule a quick info call with our team. During this call, we'll answer your questions and discuss your goals. We'll then provide a free site plan to see if an ADU is possible on your property and outline what the process would look like for you.