ADU Contractors near Johnston, RI
River City Boston
9 Illinois Avenue, Somerville, MA 02145
46.2 miles
River City Construction is a Boston-based ADU contractor specializing in home additions, garage conversions, in-law suites & detached backyard cottages. They manage design, permitting & full construction under one roof.
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Beantown Builders, Inc.
181 North Montello Street, Brockton, MA 02302
32.5 miles
Beantown Builders, Inc. is a Greater Boston ADU contractor offering full-service design, permitting, and construction. Projects include detached ADUs, garage conversions, and in-law suites, with budgets from $15,000 to $1M+.
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Aureli Construction
Eugene Road, Medford, MA 02155
47.7 miles
An Accessory Dwelling Unit (ADU) is a self-contained living space on a residential property. Massachusetts law now makes ADU construction easier. Aureli Construction offers full-service ADU building, from zoning research to completed construction.... read more
DiStefano Brothers Construction
433 Main Street, Wakefield, RI 02879
14.6 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... read more
Luxe & Co Accessory Dwellings
60 Thoreau Street, Concord, MA 01742
45.9 miles
Luxe & Co. Accessory Dwellings is a Massachusetts ADU builder offering full-service design, construction, and permitting. Founded by Hope Beckman and Sage Conti, they specialize in high-end ADUs including in-law suites, carriage houses, and ho... read more
DCCS Construction
74 Howland Street, Boston, MA 02121
41.6 miles
DCCS Construction helps Boston homeowners navigate the ADU program, converting basements, attics, and existing spaces into independent rental units. Serving 1-3 family homes, they handle both architectural design and construction for full ADU proj... read more
South Coast & Associates Inc
45 Slocum Road, Dartmouth, MA 02747
30.9 miles
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.
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Ruhan General Contracting LLC
344 John L Dietsch Boulevard, Attleboro, MA 02763
16.8 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... read more
Boston Building Concepts
275 Main Street, Watertown, MA 02472
42.6 miles
ADUs are self-contained living spaces on existing properties. Legal in Massachusetts, local zoning rules apply. Boston Building Concepts is a Massachusetts ADU contractor offering full-service design, permitting, and construction of garage convers... read more
MassDwell Solutions
109 Highland Ave, Suite 203, Needham, MA 02494
38 miles
MassDwell Solutions builds modular ADUs for homeowners, investors & developers. Models range from 470–892 sqft, starting at $164,500. Factory-built steel frame units include full warranties, energy-efficient features & 8–12 week instal... read more
BuildX- Your Building & ADU Experts
1 Marion Drive, Carver, MA 02330
37.7 miles
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.
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Boston ADU Builder
807 Massachusetts Avenue, Boston, MA 02118
45.1 miles
Boston ADUs add rental income ($1,500–$3,000/month), boost property value, and support multi-generational living. Boston ADU Builder offers detached, attached, garage, and basement conversions, handling design, permits, and construction in 8–1... read more
House Improvement LLC
6 Garfield Avenue, Shrewsbury, MA 01545
34.7 miles
House Improvement LLC builds fully insulated ADUs with electricity and climate control, ideal for home offices or studios. They also construct storage sheds, carports, gazebos, and pergolas for diverse residential outdoor needs.
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Think ADU
123 Main Street, Worcester, MA 01608
35 miles
Think ADU is a California ADU contractor specializing in design, permitting, and construction of accessory dwelling units. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites for rental, family, or property v... read more
Top Pro Inc.
35 Bradshaw Street, Medford, MA 02155
47.5 miles
Top-Pro Construction, Inc. is Greater Boston's trusted ADU builder with 25 years of experience. Specializing in detached ADUs, attached units, garage conversions & basement ADUs to boost property value and rental income.
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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.