Attached ADU

Bicknell Builds offers ADU construction in the greater Seattle area, including detached ADUs, backyard cottages, granny flats, and in-law suites. Ideal for rental income, family housing, or added property value.

Avica Construction & Development Inc is a licensed LA-based ADU contractor building detached ADUs, garage conversions, attached ADUs & JADUs across Los Angeles, Orange County & San Bernardino County, managing design, permits & construction.

Calcons is a California-based ADU contractor specializing in detached ADUs, garage conversions, JADUs, granny flats, and backyard cottages. They manage permits, design, and construction for homeowners seeking to add livable space.

TNT Design & Build specializes in ADUs, garage conversions & room additions in San Diego's North County. 15 years experience, in-house management, free architectural design, prices from $325/sqft with guaranteed budget & timeline.

Urban Shore Builders offers full-service ADU design & construction, including garage conversions, detached units & additions. As a turnkey ADU contractor, they handle permits, design & build. Services include plumbing, electrical, HVAC & retaining walls.

Linnius Construction builds ADUs across Southern & Central Oregon, including Bend, Medford & Ashland. Specializing in detached ADUs, garage conversions & in-law suites, they help homeowners add value & flexible living space.

Modern Build Solutions is a Dallas, TX ADU contractor specializing in accessory dwelling units and home additions. They manage design, permitting, and construction, offering custom ADUs, rental units, guest spaces, and home offices tailored to each homeowner.

Peak Construction and Design LLC builds custom ADUs in Springfield, OR, including detached cottages, attached units, in-law suites, and rental spaces. Expert ADU contractor offering full design-to-build services tailored to your property.

Founded in 1986 by Mike Morain, KGM Construction is an A+ BBB-rated contractor offering residential remodeling, new home construction, ADUs, granny flats, garage conversions, commercial builds, and storm damage restoration with 35+ years of experience.

Buildoly is an ADU contractor offering full-service construction for detached ADUs, garage conversions, granny flats, JADUs, and backyard cottages. They manage design, permitting, and building, helping homeowners add rental income or family housing.

UDA ADU is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs, and in-law suites. They handle design, permitting, and construction, offering homeowners a streamlined, full-service ADU building experience.

Doobek Builders offers home remodeling, large additions, and ADU construction. Services include garage conversions, interior conversions, additions, and ground-up ADU builds—ideal for granny flats, in-law suites, or backyard cottages.

ADU Builders Placer is a trusted ADU contractor in Roseville, CA, specializing in custom accessory dwelling unit design, construction, permitting, and financing. They offer sustainable, affordable ADU solutions including granny flats, in-law suites, and backyard cottages.

ERE Construction (CSLB# 1006497) specializes in ADU building services in the Merced & Yosemite region, offering garage conversions, detached ADU builds, attached additions & in-law suites, all code-compliant.

Nilson Homes builds new construction homes with ADUs in northern Utah. Rental income (~$2,200/mo) can boost mortgage qualification by $150K–$200K. Ideal for investors, multi-gen families & remote workers in a growing market.