Attached ADU near Cape Neddick, ME

At Hobart Contracting, we design and build high-quality Accessory Dwelling Units (ADUs) that fit your lifestyle and property. Whether you’re planning a guest house, in-law suite, rental unit, or private retreat, our team creates spaces that are functional, beautiful, and built to last.

An ADU (Accessory Dwelling Unit) is an independent living space on a single-family property, complete with kitchen, bathroom & private entrance. Types include detached units, garage conversions & basement apartments. Ideal for rental income or family housing.

Guiding Builders specializes in ADU construction, offering design, permitting, and building services. Projects include detached ADUs, garage conversions, in-law suites, granny flats, and casitas—custom-built to add value and living space.

Portland, ME design-build firm O'Brien Wood & Iron has offered expert construction, renovation, historic restoration & custom millwork since 2008. With 60+ years combined experience, they serve residential & commercial clients with quality craftsmanship.

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 surprises, and a clear schedule with real milestones.

Allan Tran's Exterior Finish Work (AJT Properties) specializes in residential exterior services including deck construction, porch railing installation, storage structures, and CertainTeed siding. Known for reliable communication, on-budget delivery, and durable craftsmanship.

New England Outdoor, a family-owned business in Methuen, MA, builds custom sheds, garages, pavilions, and ADUs across New England. Specializing in ADU construction, garage conversions, and in-law suites, they handle design, permits, and zoning guidance.

T&J Builders specializes in custom ADUs in Dover NH, Portsmouth NH, NH Seacoast, Lakes Region & Southern Maine. Services include garage conversions, in-law suites & detached cottages for rental income, multigenerational living & added property value.

Oxland Builders is a design/build remodeling company in Portsmouth, NH, serving the Seacoast region since 2003. Services include kitchen & bathroom remodeling, home additions, ADUs, in-law suites, and whole-home renovations across Rockingham County and Southern Maine.

Massachusetts 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.

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.