North 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.
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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 value goals.
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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. 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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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 Greater Boston.
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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 project management.
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NE Tiny Homes is a full-service ADU builder across the US, offering custom tiny homes, garage conversions, and ADUs from 352 sq ft. Transparent pricing, permit handling, and move-in-ready builds for rental income or in-law suites.
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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, and chair lift for aging-in-place living.
read moreWaltham, Massachusetts, often called the "Watch City" for its historic watchmaking industry, is today a thriving hub of biotechnology, research, and higher education. Home to Brandeis University and a dense concentration of tech and life sciences companies along Route 128, Waltham has seen significant residential demand. This growth has made Accessory Dwelling Units (ADUs) increasingly popular among homeowners looking to maximize their property value and address the region's tight housing market. Hiring experienced ADU contractors in Waltham, MA is essential to navigate the city's specific building requirements and make the most of your investment.
Waltham operates under its own zoning ordinances, and ADU projects must comply with the city's building and zoning codes. Massachusetts state law, particularly the 2021 Zoning Act (Chapter 40A amendments), has pushed municipalities to be more ADU-friendly, and Waltham has adapted accordingly. Key regulatory considerations include:
Skilled ADU contractors in Waltham are experienced in building a variety of unit types suited to the city's diverse housing stock, which includes Victorian-era homes, mid-century colonials, and modern condominiums. Common ADU types include:
Working with a local ADU contractor familiar with Waltham's permitting process can save you significant time and money. Local professionals understand the city's inspectional services, have established relationships with municipal departments, and are knowledgeable about neighborhood-specific challenges such as older utility infrastructure and historic preservation considerations. Whether you're looking to generate rental income, house a family member, or increase your home's resale value, a qualified Waltham ADU contractor will guide your project from design through final inspection efficiently and compliantly.