Basement Conversion

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.

Carolina's Building Company is Charlotte's trusted ADU contractor, offering full-service accessory dwelling units including backyard cottages, garage conversions, and interior conversions. They handle design, permitting, and construction with transparent pricing.

DiStefano Brothers Construction builds ADUs in Rhode Island, including internal, attached, and detached units. They navigate RI regulations: by-right approval, size limits, occupancy rules, and long-term rental requirements for compliant accessory dwelling units.

West Coast ADU is a California-based ADU builder offering prefab & manufactured accessory dwelling units. They help homeowners add rental income, house family members & boost property value with streamlined permitting & construction.

BACK Construction offers expert ADU construction in Lexington, KY. Specializing in attached and detached units—garage conversions, basement apartments & new builds—they boost property value, generate rental income & create flexible living spaces since 1981.

Core Remodeling Services has built ADUs and in-law suites across Central Massachusetts since 2012. They handle zoning, permits, design, and construction. Projects range from $150K–$400K+, take 6–8 months, and are backed by a 5-year warranty.

Regulus 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.

ELS Home Builders specializes in ADU design and construction across San Jose, Palo Alto & the SF Bay Area. Services include granny flats, in-law suites, garage conversions & detached ADUs for multigenerational living.

Four Brothers Design + Build specializes in Accessory Dwelling Units (ADUs) across DC, Northern Virginia & Maryland. Services include basement apartments, garage conversions, in-law suites & detached ADUs.

Golden ADU, serving Southern California since 2021, specializes in custom ADU construction including garage conversions and detached backyard cottages. They offer flexible financing with no upfront costs, completing most projects in 6–12 months.

Bill Taute Homes, Austin TX contractor since 1993, specializes in custom home builds, remodeling, additions & ADU construction. Services include kitchen/bathroom remodels, detached ADUs, granny flats & custom barns. Member of Austin Energy Green Building Program.

EAC Design Build is an Austin, TX remodeling company offering ADU installation, garage conversions, kitchen & bathroom remodeling, home additions, and whole house renovations. Serving 400+ Texas homeowners with quality craftsmanship and warranty-backed work.

Two Stories Woodworking LLC, Suffolk NY's trusted ADU builder & remodeling contractor. Specializing in kitchen, bathroom, basement remodels, home additions & accessory dwelling units. 350+ homes transformed with expert craftsmanship & stress-free service.

AVL Contractor builds ADUs in Asheville, NC — detached units, garage conversions, basement & attached suites. Full-service from zoning & permits to construction & inspections, including historic district COA compliance.

Hendren Custom Homes builds ADUs in Valparaiso & Porter County, NW Indiana. From detached backyard cottages to garage conversions, costs range $40K–$130K with 4–8 month timelines. Expert guidance on zoning, permits & custom design.