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ADU Contractors near Nashua, NH
True Measure Construction
293 Turnpike Road, Westborough, MA 01581 33.2 milesTrue 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.
read moreG.M. Roth Design Remodeling
12 Murphy Drive, Nashua, NH 03062 0.7 milesG.M. Roth Design Remodeling offers full-service ADU construction in southern NH and northeastern MA. With 40+ years of experience, they handle zoning, design, permitting, and build. CAPS-certified, serving Nashua, Manchester, Chelmsford & more.
read moreHeritage Modular Homes
16 Harrington Avenue, Shrewsbury, MA 01545 35.1 milesHeritage Modular Homes builds ADUs across MA, RI, CT & NH. With 40+ years experience, they offer custom ADU design, modular installation & in-law suites, backed by a 10-year warranty & free consultations.
read moreAuburndale Builders
151R Adams Street, Newton, MA 02458 31.1 milesAuburndale Builders completed an 800 sq ft ADU in Newton, MA—a single-level, universally accessible in-law suite with full kitchen, bathroom, bedroom & living area, built in compliance with local zoning regulations.
read moreSteveworks LLC
108 Cabot Street, Newton, MA 02458 31.6 milesSteveworks 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, and chair lift for aging-in-place living.
read moreRegulus Construction
36 West Street, Milford, MA 01757 41.4 milesRegulus Construction is a licensed ADU contractor serving MetroWest Massachusetts. They build detached backyard cottages, garage conversions, and in-law suites, managing design, permitting, and construction across 40+ towns.
read morePro's Edge Small Homes
27 Pillsbury Street, Georgetown, MA 01833 25.5 milesPro's Edge Small Homes is a licensed ADU contractor in MA & NH with 20+ years experience. They offer turnkey design, permitting & modular construction of granny flats, in-law suites & backyard cottages, including a free property evaluation.
read moreTurkel Design
1060 Broadway, Somerville, MA 02144 30.4 milesTurkel Design offers custom-designed accessory dwelling units (ADUs) using a prefab process. Highlights include expert cabinetry, smart storage, and high-quality finishes, ensuring ADUs feel purposeful and cohesive with the main residence.
read moreDCCS Construction
74 Howland Street, Boston, MA 02121 36.5 milesDCCS 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 project management.
read moreRiver City Boston
9 Illinois Avenue, Somerville, MA 02145 32.5 milesRiver 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.
read moreMBA Builders
500 Edgewater Drive, Wakefield, MA 01880 27.6 milesMassachusetts ADUs are now legal by right statewide after 2024 legislation. MBA Builders offers full-service ADU construction across Greater Boston, with structured preconstruction planning and builds starting around $450/sq ft.
read moreNorth Shore ADU Home Builders
Essex, MA 01929 37 milesNorth Shore ADU Home Builders LLC builds custom ADUs up to 900 sq ft across Massachusetts. Services cover design, permits & construction. Rental income ranges $1,800–$3,500/month. Property values may rise $100K–$250K.
read moreAcorn Deck House Company
852 Main Street, Acton, MA 01720 16.6 milesAcorn Deck House builds luxury prefab ADUs in MA, featuring exposed beams & large windows. Options include 900 sq ft & 730 sq ft models. ADUs boost property value by 25–34% & generate rental income.
read moreBradford Construction Management
145 South Main Street, Haverhill, MA 01835 20.6 milesBradford 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 surprises, and a clear schedule with real milestones.
read moreOther cities in New Hampshire
- Danville
- Hollis
- Meredith
- North Hampton
- Nottingham
- Orford
- Pembroke
- Portsmouth
- Salem
- Walpole
- West Lebanon
What you need to know
ADU Contractors in Nashua, NH: Building in New Hampshire's Second-Largest City
Nashua, New Hampshire, is a thriving city known for its strong economy, proximity to the Massachusetts border, and consistently high rankings as one of the best places to live in the United States. As housing demand continues to grow in this bustling southern New Hampshire hub, Accessory Dwelling Units (ADUs) have become an increasingly popular solution for homeowners looking to add rental income, house family members, or increase property value. Finding experienced ADU contractors in Nashua, NH is the first critical step toward making your ADU project a success.
Understanding Nashua's Zoning and ADU Regulations
Before breaking ground, it's essential to understand the local rules governing ADU construction in Nashua. The city follows specific zoning ordinances that ADU contractors must navigate carefully. Key regulatory considerations include:
- Zoning district eligibility: ADUs are generally permitted in single-family residential zones within Nashua, but contractors must verify the specific zoning classification of your property.
- Size limitations: Nashua typically restricts ADU square footage relative to the primary dwelling, so your contractor must design within these parameters.
- Owner-occupancy requirements: Nashua may require that the property owner reside in either the primary or accessory unit.
- Parking requirements: Additional off-street parking spaces may be required when adding an ADU to your property.
- Permitting through the Building Department: All ADU projects require proper permits from the Nashua Building Department, and experienced local contractors will manage this process efficiently.
Types of ADUs Built by Nashua Contractors
Skilled ADU contractors in Nashua are experienced in building several types of accessory dwelling units to suit different property layouts and homeowner needs:
- Attached ADUs: Units built as an addition to the existing home, sharing at least one wall with the primary structure.
- Detached ADUs: Standalone structures built in the backyard or elsewhere on the property.
- Garage Conversions: Transforming an existing garage into a livable ADU space, a popular option in Nashua's established neighborhoods.
- Basement Conversions: Converting an existing basement into a separate living unit, common in Nashua's older housing stock.
Why Hire a Local Nashua ADU Contractor?
Hiring a local ADU contractor in Nashua, NH offers significant advantages. Local professionals are familiar with New Hampshire's building codes, Nashua's specific zoning bylaws, and the regional climate considerations that affect construction — including the need for proper insulation and heating systems to handle harsh New England winters. A knowledgeable local contractor will also have established relationships with Nashua's permitting offices, helping to streamline approvals and avoid costly delays.
Whether you're looking to create a rental unit, accommodate aging parents, or simply maximize your property's potential, partnering with a qualified ADU contractor in Nashua, New Hampshire ensures your project is completed safely, legally, and to the highest standard.