Priced Early Companies

20 Hampden Drive, South Easton, MA 02375 41.3 miles

ADU-PRO Corp.

121 Orchard Street, Millis, MA 02054 46.7 miles

Licensed 30 years in business Eco-Friendly

ADU-PRO Corp is a Massachusetts ADU specialist offering full-service construction, permitting, and project management. Led by licensed experts, they help homeowners build granny flats, in-law suites, and backyard cottages up to 900 sq ft.read more

South Coast & Associates Inc

45 Slocum Road, Dartmouth, MA 02747 21 miles

Eco-Friendly Luxury Builds

South Coast & Associates builds custom ADUs in Southeastern Massachusetts. From detached backyard cottages to garage conversions and in-law suites, they handle design, permitting, and construction for single-family homeowners.

Amex Construction

15 Industrial Way, Hanover, MA 02339 48.8 miles

Eco-Friendly

Amex Construction is a Hanover-based design-build ADU contractor serving Massachusetts' South Shore. They manage detached ADUs, barn conversions, and basement suites, handling design, permitting, septic upgrades, and construction under one contract.

DiStefano Brothers Construction

433 Main Street, Wakefield, RI 02879 38.2 miles

DiStefano Brothers Construction builds ADUs in Rhode Island, including internal, attached, and detached units. They navigate RI regulations: by-right approval, size limits, occupancy rules, and long-term rental requirements for compliant accessory dwelling units.

Coastal Modular Homes

271 Post Road, Wakefield, RI 02891 37.1 miles

The Backyard Homes line of ADUs are manufactured in over a dozen production facilities and available in 48 states. After being constructed in one of our modern plants the unit is delivered to the project site for the builder to install.

BuildX- Your Building & ADU Experts

1 Marion Drive, Carver, MA 02330 40.3 miles

Licensed 40 years in business Free Consultation

BuildX is a trusted ADU contractor in Southeastern Massachusetts with 40+ years of experience. They offer custom stick-built accessory dwelling units, granny flats, and in-law suites with a 100-day build guarantee and transparent pricing.read more

Baystate Group Builders Inc

8 Bellingham Road, Blackstone, MA 01504 40.2 miles

Baystate Group Builders Inc offers residential remodeling services including basement finishing, bathroom renovations, deck construction, carpentry, and painting. Led by Victor, the team is known for professionalism, clear communication, and quality craftsmanship.

Salas Construction

60 Wheaton Avenue, Warwick, RI 27596 16.4 miles

Eco-Friendly Luxury Builds

Salas Construction builds custom ADUs in Rhode Island, including attached, detached, and garage conversions. Projects range from $200K–$500K and take 6–12 months. Uses include rentals, guest suites, and multigenerational living.

John Crowley Construction Co

171 Mattakeesett St, Pembroke, MA 02359 47.8 miles

Licensed 25 years in business Eco-Friendly

John Crowley Construction Co offers turnkey ADU construction on Massachusetts' South Shore, serving Pembroke, Plymouth, Hingham & more. Licensed (#114197), insured, 25+ years experience. Detached, attached, garage & basement ADUs available.

ADU Of Massachusetts

56 Depot St, Duxbury, MA 02332 49.9 miles

ADU Of Massachusetts is a full-service ADU builder specializing in design, permitting, and construction of accessory dwelling units. Serving homeowners statewide, they build attached, detached, garage conversions, in-law suites, and backyard cottages.

Ruhan General Contracting LLC

344 John L Dietsch Boulevard, Attleboro, MA 02763 34.9 miles

Ruhan General Contracting LLC builds home additions and ADUs in North Attleboro, MA. Services include room additions, in-law suites, second-story additions, and detached ADUs, covering permits, design, and finish carpentry throughout Massachusetts and Rhode Island.

Keane Construction & Remodeling, LLC

167 Hixbridge Rd, Westport, MA 02790 16 miles

32 years in business

Keane Construction & Remodeling, LLC offers expert ADU construction in Westport, MA, with 32 years of experience. Services include site evaluation, custom design, permitting, and full build of detached or attached accessory dwelling units across Bristol County.

Spring Home Improvement

16 North Washington Street, Attleboro, MA 02760 33.7 miles

Licensed 13 years in business

Spring Home Improvement offers expert ADU contractor services in Norfolk, MA. Family-owned since 2012, they handle design, permits, and construction with 10+ years of experience, transparent pricing, and a one-year labor warranty.

Reagan Homes

197 Long Wharf Drive, Mystic, CT 06355 33.6 miles

New London’s unique blend of historic charm and modern living makes it an ideal location for thoughtfully designed ADUs. The city’s zoning regulations have adapted to accommodate these versatile structures, making now the perfect time to consider adding one to your property.

Other cities in Rhode Island

What you need to know

Building ADUs in Newport, Rhode Island's Historic Coastal City

Newport, Rhode Island is renowned for its stunning Gilded Age mansions, colonial architecture, and vibrant coastal culture. As one of America's most historically significant cities, Newport presents unique challenges and opportunities for ADU contractors. Much of Newport falls under strict historic district regulations overseen by the Newport Historic District Commission (HDC), meaning that any accessory dwelling unit construction must carefully respect the city's architectural heritage. Working with an experienced ADU contractor in Newport, RI who understands these local nuances is absolutely essential for a successful project.

Newport Zoning Rules and ADU Regulations

Newport's zoning ordinances govern where and how accessory dwelling units can be built. Under Rhode Island's statewide ADU legislation, municipalities are required to permit ADUs in areas zoned for single-family and multi-family use. Newport has aligned its local codes accordingly, but property owners must still navigate specific local requirements, including:

Because Newport's historic districts cover a significant portion of the city — including areas like the Point Neighborhood and Broadway — many homeowners will need HDC sign-off before breaking ground. Skilled Newport ADU contractors are well-versed in preparing the documentation and design plans required for HDC review.

Types of ADUs Popular in Newport

Given Newport's dense, older housing stock and limited lot sizes, certain ADU types tend to be more practical than others in this coastal city. The most common options include:

Carriage house conversions are particularly popular in Newport, given the city's wealth of historic outbuildings. A qualified ADU contractor in Newport can help homeowners transform these structures into fully functional living spaces while maintaining their historic character.

Why Hire a Local Newport ADU Contractor?

Hiring a local ADU contractor familiar with Newport, Rhode Island is critical. Local professionals understand the city's permitting timelines, HDC processes, coastal construction considerations, and relationships with municipal departments. Newport's proximity to the ocean also means contractors must account for coastal building standards, including wind resistance and moisture management. A knowledgeable contractor will ensure your ADU is built to last in Newport's demanding coastal environment while maximizing your property's value and rental potential.

ADU Contractors near Newport, RI