South Coast & Associates builds custom ADUs in Southeastern Massachusetts. From detached backyard cottages to garage conversions and in-law suites, they handle design, permitting, and construction for single-family homeowners.

South Coast & Associates Inc – ADU Contractor in Dartmouth, MA

About South Coast & Associates Inc

ADU Design and Build Services in Southeastern Massachusetts

Accessory Dwelling Units (ADUs) are now legal by right in Massachusetts, giving homeowners a practical way to expand their property's utility. South Coast & Associates Inc (SCA) specializes in designing and building custom ADUs for single-family homeowners across Southeastern Massachusetts. Their services cover a range of needs, whether a homeowner is looking to create a rental unit, provide space for a family member, or add a dedicated home office.

An accessory dwelling unit is a secondary housing unit added to a single-family property. These units can be detached, attached, or located within the main residence, and may offer up to 900 square feet of living space. As an experienced ADU contractor and ADU builder, South Coast & Associates handles projects of varying scope and complexity throughout the region.

Benefits of Adding an ADU to Your Property

There are several practical reasons homeowners in Southeastern Massachusetts consider adding an accessory dwelling unit:

  1. ADUs can increase a home's marketability and overall property value.
  2. A rental unit can generate passive income or accommodate short-term guests.
  3. A granny flat or in-law suite provides independent living space for aging family members or young adults while keeping them nearby.
  4. A dedicated workspace or hobby room can be built as an energy-efficient addition tailored to specific needs.

With rising housing costs and shifting family dynamics, ADUs offer a cost-effective and flexible solution for many homeowners. The communities of Southeastern Massachusetts — from urban areas like New Bedford to suburban and rural settings in Dartmouth and Fairhaven — present a variety of opportunities for incorporating an ADU into an existing property.

What South Coast & Associates Offers

As a full-service detached ADU builder and garage conversion contractor, South Coast & Associates manages every phase of an ADU project. Their process includes:

  1. Site evaluation — A comprehensive assessment to determine the best placement and design approach for the ADU.
  2. Custom design — Tailored solutions that align with the property's layout, the homeowner's style, and specific requirements.
  3. Permitting and zoning guidance — Expert support in navigating local zoning laws and securing the necessary approvals.
  4. Full construction management — End-to-end construction services, from groundbreaking through final inspection.

South Coast & Associates brings familiarity with the regional regulatory landscape, which can be a significant factor in keeping ADU projects on track. Their team works to ensure that each unit is both functional and visually consistent with the existing property.

Whether the goal is a backyard cottage, a Casita, or an attached addition, SCA's experience in custom home design and construction positions them as a capable option for homeowners in Southeastern Massachusetts looking to add an accessory dwelling unit to their property.

Services

South Coast & Associates Inc performs the following services

  • Architecture & Design
  • Permit Specialist
  • Construction
  • Feasibility & Site Assessment

South Coast & Associates Inc Reviews

Kyle Sullivan

2026-03-09
"Southcoast is a great overall company, from there PMS to the owner they are all very easy to deal with and very organized and efficient, have had the please dealing with, Dave, Christain, Logan, and Tony, great group of guys over there! Highly recommended"

Brenden Sousa

2026-03-08
"Great reliable service! These guys fully designed built my new addition out in Swansea! Love finding a company that is a one stop shop! If youre looking to build your full home or build any additions, these are the guys to call!"

Jon Richard

2026-03-07
"Worked with Logan for a new construction design. He was able to show me different options and use my ideas to come up with the perfect design. Efficient, honest, and reliable !"

Dustin Couto

2026-03-07
"Excellent experience working with this team. Professional, organized, passionate and the quality of work speaks for itself. They made the whole process easy and delivered exactly what we were hoping for. Highly recommend! Great family owned company"

Franklin Nunez

2026-03-07
"Ive had a great experience working with South Coast Associates. Theyre very professional, knowledgeable, and easy to work with. Their experience with construction design and project management really shows, and they do a great job guiding projects from the planning stage all the way through construction. Highly recommend."

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Specifics

Eco-Friendly Luxury Builds

Opening hours

Monday 9:00AM - 5:00PM
Tuesday 9:00AM - 5:00PM
Wednesday 9:00AM - 5:00PM
Thursday 9:00AM - 5:00PM
Friday 9:00AM - 5:00PM
Saturday -
Sunday -

Location

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