Builder Directory

Specializing in modular and site-built accessory dwelling units throughout Massachusetts, this manufacturer distinguishes itself through factory-controlled production that prioritizes transparency and quality oversight—inviting clients to tour its climate-controlled facility to witness construction firsthand. The company offers three ADU configurations (detached, attached, and converted), full-service design and permitting, and customizable layouts backed by a 10-year structural warranty through a major Northeast building supplier. By handling every phase from design through turnkey completion, ADU Building Systems positions itself as an end-to-end solution for homeowners seeking reliable ADU construction with verifiable craftsmanship and material standards.

ADU-PRO Corp provides end-to-end ADU development services throughout Massachusetts, specializing in navigating the state's complex permitting requirements under the Affordable Homes Act. The company offers consultation and construction support for residential properties seeking to add guest suites, rental units, or home offices. Their approach emphasizes seamless regulatory compliance and project oversight from initial planning through completion.

Clarke Building Company operates as a full-service ADU contractor serving Massachusetts and Southern New Hampshire, specializing in design-build projects that navigate the state's 2024 Affordable Homes Act allowing 900-square-foot units by-right in single-family zones. The firm handles all phases from initial design through permitting and construction, with expertise in septic and Title 5 coordination that addresses common regulatory hurdles in the Northeast. The company positions itself as a licensed, insured specialist focused on helping North Shore homeowners access rental income, multigenerational living arrangements, and property value appreciation through compliant ADU development.

Mass ADU is a Massachusetts-based construction company offering comprehensive ADU services spanning feasibility assessments, permitting assistance, and full construction across the state. The company distinguishes itself by guiding homeowners through the entire development process, from initial free consultation through project completion, with an emphasis on making ADUs practical and accessible solutions for long-term housing and financial needs. Mass ADU positions itself as a full-service partner designed to demystify ADU development for residential clients.

A full-service custom home builder and renovation specialist based in Wakefield, Massachusetts, this firm serves the greater Boston area with a client-first philosophy centered on trust, quality craftsmanship, and proactive communication. The company differentiates itself through an in-house proprietary design-build process that streamlines projects, combined with founder-led expertise in effective project management and meticulous attention to detail. Specializing in custom homes and renovations that accommodate clients' unique lifestyles, the firm emphasizes establishing long-term relationships through transparent representation of client interests throughout all project phases.

This New York-based modular home manufacturer specializes in fully customizable residential units across multiple architectural styles, from ranches and colonials to townhouses and multi-unit rental properties. The company distinguishes itself through factory-controlled construction that allows simultaneous foundation and home building, significantly accelerating project timelines compared to traditional stick-built methods. Westchester Modular works with builders, developers, and individual homeowners, offering either pre-designed plans or complete custom design services in collaboration with architects.