ADU Contractors near Johnston, RI
Toensing Construction
Warren, RI 02885
13.1 miles
Toensing Construction builds ADUs across Rhode Island, including detached units, in-law suites, garage conversions & basement apartments. Licensed & insured, they handle permitting, design & construction for multigenerational & fle... read more
True Measure Construction
293 Turnpike Road, Westborough, MA 01581
34 miles
True Measure Construction, a Westborough, MA general contractor, specializes in full-service ADU construction—covering permits, site prep, and finishing—plus kitchen and bathroom remodeling for a complete home improvement solution.
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Massachusetts Adu Plans
68 Harrison Avenue, Boston, MA 02111
44.6 miles
Massachusetts homeowners can get permit-ready ADU plans starting at $800, delivered in days. Three tiers cover plans, cost estimates, and full custom design up to $3,100. Free ADU Starter Guide available.
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Steveworks LLC
108 Cabot Street, Newton, MA 02458
41.2 miles
Steveworks LLC completed a whole house remodel in Newton, redesigning the floor plan, replacing windows, siding, and roofing, and upgrading insulation. They also built an accessible ADU above a garage, featuring a full kitchen, curbless shower, an... read more
Keane Construction & Remodeling, LLC
167 Hixbridge Rd, Westport, MA 02790
28.1 miles
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 acro... read more
Hawthorn Builders
97 Chapel Street, Needham, MA 02492
36.1 miles
Hawthorn Builders offers end-to-end ADU construction, managing consultation, design, permitting, and building. As a detached ADU and garage conversion contractor, they complete accessory dwelling units in ~90 days with minimal disruption.
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Baystate Group Builders Inc
8 Bellingham Road, Blackstone, MA 01504
16.7 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 quali... read more
Studio Luz Architects
4238 Washington Street, Boston, MA 02131
38.9 miles
Studio Luz Architects designed a 1,180 sq ft attached ADU featuring solar power, wind energy, energy recovery systems, and water collection. The sustainable addition boosted property value while serving as a functional secondary living space.
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NorthEast Design + Build
2949 Hartford Avenue, Johnston, RI 02919
3.4 miles
NorthEast Design + Build offers ADU and in-law apartment construction across Massachusetts & Rhode Island. Services include detached backyard cottages, in-law suites, and attached additions. Serving Milford, Providence, Warwick & more.
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Coastal Modular Homes
271 Post Road, Wakefield, RI 02891
13.7 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.
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Boston Construct
1660 Soldiers Field Road, Boston, MA 02135
42.8 miles
Boston Construct is a full-service ADU contractor in Boston, MA, building basement conversions, garage conversions, detached backyard cottages, and in-law suites. They handle design, permitting, and construction for 1-3 family homeowners across Gr... read more
Victory Construction Services Inc.
4 ashurst pl, Newport, RI 02840
23.9 miles
Victory Construction Services Inc. builds ADUs in Rhode Island, including garage conversions, basement ADUs, and detached units. Family-owned since 2016, licensed, insured, with 15+ years experience and a 1-Year Workmanship Guarantee. Free estimat... read more
Core Remodeling Services
41 Boylston Street, Worcester, MA 01605
36.8 miles
Core Remodeling Services has built ADUs and in-law suites across Central Massachusetts since 2012. They handle zoning, permits, design, and construction. Projects range from $150K–$400K+, take 6–8 months, and are backed by a 5-year warranty.read more
The Barn Yard
120 West Road, Ellington, CT 06029
49.1 miles
The Barn Yard designs and builds accessory dwelling units (ADUs) using post and beam construction. They offer full builds across New England and New York, plus nationwide ADU kit shipping for rental units, guest suites, or multigenerational living... read more
Reagan Homes
197 Long Wharf Drive, Mystic, CT 06355
38.3 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 consi... read more
Other cities in Rhode Island
What you need to know
ADU Contractors in Johnston, RI: Building in a Town with Strong Residential Character
Johnston, Rhode Island is a suburban town in Providence County known for its predominantly single-family residential neighborhoods and a strong sense of community identity. With a population of around 30,000 residents, Johnston has seen growing interest in Accessory Dwelling Units (ADUs) as homeowners look for ways to add rental income, house aging family members, or increase property value. Finding experienced ADU contractors in Johnston, RI is essential to navigating the town's specific zoning codes and building requirements successfully.
Zoning and Permitting Requirements for ADUs in Johnston, Rhode Island
Before breaking ground, homeowners in Johnston must understand the local regulatory landscape. Johnston's zoning ordinances govern where and how ADUs can be built. Key considerations include:
- Zoning district compliance: ADUs are generally permitted in residential zones, but applicants must verify eligibility based on their specific parcel and zoning classification.
- Lot size requirements: Johnston typically requires a minimum lot size before an ADU can be added to a property.
- Owner-occupancy rules: Rhode Island state law, particularly the Rhode Island Zoning Enabling Act, has pushed municipalities to allow ADUs more broadly, but local owner-occupancy stipulations may still apply.
- Size limitations: Detached and attached ADUs are generally subject to square footage caps relative to the primary dwelling.
- Setback and height restrictions: Johnston enforces setback rules that determine how close an ADU can be to property lines and neighboring structures.
Working with a knowledgeable ADU contractor in Johnston who is familiar with the town's Building and Zoning Department is critical to avoiding costly delays and permit rejections.
Types of ADUs Built by Johnston Contractors
Experienced ADU contractors serving Johnston, Rhode Island can help homeowners build several types of accessory dwelling units, including:
- Detached ADUs: Standalone structures in the backyard, often called backyard cottages or guest houses.
- Attached ADUs: Units added onto the side or rear of the existing home.
- Garage conversions: Transforming an existing attached or detached garage into a livable space.
- Basement conversions: Converting an existing basement into a fully permitted dwelling unit.
Why Hire a Local ADU Contractor in Johnston, RI?
Hiring a local ADU contractor in Johnston offers significant advantages. Local professionals understand the nuances of Rhode Island building codes, Johnston's specific permit application process, and relationships with local inspectors. They can also recommend trusted local subcontractors for electrical, plumbing, and HVAC work — all of which must meet Rhode Island State Building Code standards.
Whether you're planning a detached backyard cottage or a basement apartment conversion in Johnston, partnering with a qualified and licensed ADU contractor ensures your project is completed on time, within budget, and fully compliant with all local and state regulations.