ADU Contractors in Boston, MA

ADU Contractors in Boston. River City Boston—your all-in-one team for planning, permits, and construction. Quality, efficiency, and style. —call us today!

ADU Contractors in Boston. River City Boston—your all-in-one team for planning, permits, and construction. Quality, efficiency, and style. —call us today!

ADU Contractors in Boston. River City Boston—your all-in-one team for planning, permits, and construction. Quality, efficiency, and style. —call us today!
Design and build your Boston ADU with River City Boston—your all-in-one team for planning, permits, and construction. Quality, efficiency, and style.

ADU & Accessory Dwelling Units (ADUs) in Greater Boston

At River City Boston, we specialize in transforming your property with thoughtful, high-quality accessory dwelling units (ADUs). Whether you’re looking to create income-producing space, house a family member, or simply expand your living footprint, we handle the entire process end-to-end.

The All-In-One Solution for Your ADU Project

Your all-in-one ADU partner in Boston for design, permitting, and construction. Quality spaces, built efficiently.

As a full-service design-and-build partner, River City Boston takes full accountability for your ADU from design through construction and livraison. We make the process transparent and predictable, giving you a single trusted team rather than multiple dispersed contractors.
From your first conversation through handing you the keys to your finished ADU, you’ll work directly with us. Our experience means we anticipate issues less seasoned teams might overlook, and bring deep expertise to your project.

With our latest bathroom remodel in Medford, we really embraced this idea.
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Why Choose River City Boston for Your ADU Project?

A strong ADU partner isn’t just a builder or an architect — it’s both. Here’s what sets us apart:

  • Easibility & Budget: We evaluate your property to ensure an ADU fits your Boston lot, budget, and timeline—giving you clear, upfront expectations.
  • Architectural Plans: Choose from efficient, pre-designed ADU floor plans or customize your own for flexible, cost-effective living space.
  • Permitting & Compliance: We handle all ADU permitting and local code requirements across Greater Boston for a smooth, stress-free approval process.
  • Design Selection: Select from curated interior and exterior finishes or collaborate on a custom design that complements your home.
  • Construction: From site prep to final inspection, our team manages every phase of your ADU construction with precision and care.
  • Project Management: Stay informed with transparent updates on progress, costs, and milestones—your ADU project, delivered on time and on budget.

Complete ADU design-build services in Boston: feasibility, plans, permits, and construction—delivered on time and on budget.

Working with River City Boston was a seamless experience from start to finish… we had a clear team, clear process, and the results were better than we imagined.
Emily Johnson
Customer
They handled everything — design, permitting, build — and we felt informed the whole time.
Samantha Taylor
Customer
We knew we wanted both design and build under one roof, and River City Boston delivered an ADU that fits our home perfectly.”
Steve Robins
Customer

We Are Your ADU Design & Build Partner in Boston

Complete ADU design-build services in Boston: feasibility, plans, permits, and construction—delivered on time and on budget.

River City Boston is focused on design-and-build ADU services for homeowners in Boston and surrounding communities. As a licensed general contractor with a design-forward team, we take responsibility for the entire project—planning, design, permitting, construction, and completion.
If you’re seeking an all-in-one solution that ensures your ADU is delivered efficiently, beautifully, and stress-free, we’re here for you.

Ready to talk about what’s possible on your property? Let’s set up a conversation and start turning your ADU vision into reality.

Take the First Step

Reach out today to schedule your feasibility consultation and begin your ADU journey with River City Boston.

River City Boston builds ADUs from design to completion—efficient plans, smooth permitting, and quality construction.

get 20% off of your entire purchase plus $1,000 off your entire purchase

Your project can qualify for no interest payments up to 12 months.  *Minimum purchase required, interest may accrue from date of purchase depending on loan plan.

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