ADU Contractors near Hollis, NH
BlackDog Builders
7 Red Roof Lane, Salem, NH 03079
21.9 miles
BlackDog Builders offers full-service ADU design/build solutions, handling design, permitting, and construction under one roof. Specializing in detached ADUs, backyard cottages, in-law suites, and granny flats, they back projects with a 3-year war... read more
MassDwell Solutions
109 Highland Ave, Suite 203, Needham, MA 02494
36.1 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
ADU-PRO Corp.
121 Orchard Street, Millis, MA 02054
42 miles
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.
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Think ADU
123 Main Street, Worcester, MA 01608
33.8 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
Studio Luz Architects
4238 Washington Street, Boston, MA 02131
39.9 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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DCCS Construction
74 Howland Street, Boston, MA 02121
39.9 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
ADU Builders of MA
807 Massachusetts Avenue, Boston, MA 02118
38.1 miles
Expert ADU builders serving Massachusetts homeowners. Services include detached ADUs, garage conversions, basement units & in-law suites. Fully permitted, code-compliant builds. Costs from $80K. Serving Boston, Cambridge, Worcester & state... read more
Design 1 Kitchen & Bath
363 Great Road, Bedford, MA 01730
25.2 miles
Design 1 Kitchen & Bath designs and builds ADUs in Massachusetts, handling consultation, design, permitting, and construction. ADUs add rental income, multigenerational living space, and property value for Greater Boston homeowners.
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Provost Companies
20 Maple Street, Stoughton, MA 02072
49.8 miles
Honorato Company
34 Commerce Way, Woburn, MA 01801
29.3 miles
Honorato Company offers a structured construction process in Boston, covering ADUs, garage conversions & renovations. From consultation to final walkthrough, they ensure transparency, permitting, design, and clear communication throughout.
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Bradford Construction Management
145 South Main Street, Haverhill, MA 01835
27.2 miles
Bradford Construction Management brings commercial-grade project management to every ADU we build across the North Shore. That means daily photo documentation so you always know what's happening on site, transparent pricing so there are no budget ... read more
Salisbury Construction Worcester
453 Chandler Street, Worcester, MA 01602
34.3 miles
Salisbury Construction Worcester builds ADUs across Worcester County, Central Mass & MetroWest. Services include detached units, garage conversions, basement conversions & home additions using a streamlined design-build process.
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Turnkey ADUs
435 Lancaster ST, Leominster, MA 01453
16.7 miles
Turnkey ADUs is a Leominster, MA ADU contractor offering modular, prefabricated accessory dwelling units across New England. Models range from $119K–$249,900. Massachusetts' 2024 Affordable Homes Act now allows ADUs up to 900 sq. ft. by right.read more
River City Boston
9 Illinois Avenue, Somerville, MA 02145
36.4 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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Alcantara Construction
407R Mystic Avenue, Medford, MA 02155
35.2 miles
Alcantara Construction is an experienced ADU contractor specializing in detached ADUs, garage conversions, JADUs, in-law suites, and granny flats. They guide homeowners through planning, permitting, and building accessory dwelling units efficientl... read more
Other cities in New Hampshire
What you need to know
ADU Contractors in Hollis, NH: Building in a Rural New England Community
Hollis, New Hampshire is a charming rural town in Hillsborough County known for its scenic farmland, historic stone walls, and strong commitment to preserving its small-town character. With a population of roughly 8,000 residents and a predominantly residential and agricultural landscape, Hollis presents a unique environment for ADU (Accessory Dwelling Unit) contractors. The town's dedication to maintaining its rural aesthetic means that any ADU construction must be thoughtfully planned to align with local zoning ordinances and community values.
Zoning and Regulatory Considerations for ADU Contractors in Hollis
Before breaking ground on an ADU project in Hollis, contractors and homeowners must navigate the town's specific zoning regulations. Hollis operates under its Zoning Ordinance, which governs land use across residential and agricultural zones. Key regulatory points that experienced ADU contractors in Hollis, NH must be familiar with include:
- ADUs are generally permitted as accessory structures on single-family residential lots, subject to approval from the Hollis Planning Board or Zoning Board of Adjustment.
- Lot size requirements must be met, as Hollis has relatively large minimum lot sizes reflective of its rural character.
- Setback requirements from property lines, wetlands, and conservation areas must be strictly observed.
- The ADU must remain subordinate in size to the primary dwelling, typically not exceeding a percentage of the main home's square footage.
- Septic system capacity is a critical factor, as many Hollis properties rely on private well and septic systems rather than municipal utilities.
Why Hire a Local ADU Contractor in Hollis, New Hampshire?
Working with a licensed ADU contractor familiar with Hollis, NH is essential for a smooth building process. Local contractors understand the nuances of the town's permitting process, the requirements of the Hollis Building Department, and the environmental sensitivities of the region, including wetland buffers and soil conditions common in southern New Hampshire. A knowledgeable contractor will help ensure your project complies with New Hampshire RSA 674:71-73, the state statute that encourages municipalities to allow accessory dwelling units.
Types of ADUs Popular in Hollis, NH
Given the spacious lots and rural setting of Hollis, homeowners often pursue the following ADU types:
- Detached ADUs: Standalone cottages or carriage house conversions that complement the property's existing structures.
- Attached ADUs: Additions built onto the primary home, ideal for multigenerational living.
- Garage Conversions: Transforming existing garages into livable spaces while maintaining the property's rural aesthetic.
Start Your ADU Project in Hollis Today
Whether you're looking to house aging parents, generate rental income, or add long-term property value, building an ADU in Hollis, NH is a smart investment. Connect with a qualified ADU contractor in Hollis, New Hampshire who understands local regulations, environmental requirements, and the community's character to bring your vision to life efficiently and compliantly.