X-3 The Haven $356,478*
The Haven delivers 900 GFA in a compact 28'-36' footprint, with 2 bedrooms, 1 bath, and a Covered Entryway, plus 9' ceilings, LED lighting,
900 sq ft • 1 Bed • 1 Bath Saturdays & Sundays, 11:00 AM - 1:00 PM
A 900 square foot single-level ADU with an open living and kitchen great room, a 17'-9" bedroom with a walk-in closet and en-suite bath, interior laundry, and a full-width 31'-6" farmers porch across the front plus a rear deck. One level, no stairs, finished and furnished -- walk it before you build it.
Rain policy: Rain, snow or shine we will be there! ADA: Terrain may be uneven; let us know if you need assistance.
Free to attend • No sales pitch
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Book My Private Showing"Bring your family closer with a private, beautiful ADU from BuildX… Fully customizable & accessible."
Our ADUs are purpose-built for families who want to keep loved ones close while maintaining privacy and independence. Whether it's for aging parents, adult children, or extended family, the open floor plans and thoughtful layouts support multigenerational living at its best.
Every BuildX ADU is designed with universal accessibility in mind -- wider doorways, step-free entries, lever-style hardware, and walk-in showers. Our homes are comfortable for everyone, regardless of age or ability, today and for years to come.
No hidden fees. No surprise change orders. BuildX provides clear, upfront pricing so you know exactly what your ADU will cost from day one. We believe trust starts with honesty about numbers.
Nothing compares to walking through a finished ADU in person. Feel the space, see the finishes, and understand the true quality of a BuildX home. Photos and videos can only show so much.
Our team will be on-site to answer all your questions about ADU design, permitting, timelines, costs, and more. Get real answers from the people who build these homes every day.
Browse a variety of floor plans, layouts, and customization options right at the tour. Compare sizes, styles, and features to find the perfect ADU for your property and family.
Come see our newest 900 sq ft Accessory Dwelling Unit in person. The ADU is located at 10 Quonahassit Trail, Cohasset, MA 02025. Free street parking is available.
Starting: September 12, 2026
Saturdays & Sundays, 11:00 AM - 1:00 PM
No appointment required -- just show up.
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.”
“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.”
This is a live feed of our most recent Google Reviews — unfiltered, unedited, directly from Google.
The Haven delivers 900 GFA in a compact 28'-36' footprint, with 2 bedrooms, 1 bath, and a Covered Entryway, plus 9' ceilings, LED lighting,
The Cottage delivers 900 GFA in a compact 28'-36' footprint, with 2 bedrooms, 1.5 bath, and a Farmer's Porch, plus 9' ceilings, LED
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
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.
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 of our service areas, 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 a 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, so you can hear directly about their experience working with us. 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.
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