ADU Contractors

ADUs in Philadelphia offer rental income & flexible living space. Capped at 800 sq ft, they require owner occupancy & zoning compliance. Costs range $100–$300/sq ft. Matrix Design & Build manages design, permits & construction.

Revival Homes is a California ADU project manager handling planning, financing, design, permitting, and construction. They build detached ADUs, garage conversions, JADUs, and more, with costs ranging from $100K to $300K.

Newform Builders specializes in ADU construction for multi-family and mixed-use properties. They handle permits, inspections, and code-compliant builds, including detached, attached, and space-conversion ADUs, ensuring safe, regulation-aligned results from planning to completion.

O'Brien Construction LLC is an ADU contractor specializing in design, engineering, and construction of accessory dwelling units. Services include detached ADUs, additions, and design-assisted builds, with free consultations available.

GVD Builders & Construction is a licensed Sacramento residential contractor specializing in ADU construction, custom home building, home additions, kitchen & bathroom remodeling, siding, window replacement, and whole house remodeling.

Casita ADU is a San Diego-based full-service ADU builder handling permitting, design, and construction. As a trusted accessory dwelling unit contractor, they manage every project phase, ensuring on-time, on-budget builds for California homeowners.

Concept Renovations Inc. is a Southern California design-build company with 20+ years in residential remodeling, ADU construction, and garage conversions. They manage design, permitting, and build phases, serving Los Angeles homeowners.

Distinctive Design & Remodeling is an experienced ADU contractor building detached, attached, basement, and garage ADUs. Services include design, permits, and post-construction support for guest houses, in-law suites, and rental units.

ELoghomes offers EasyCabin™ ADU log cabin kits priced $35,000–$55,000, featuring solid Eastern White Pine walls, Andersen 400 Series windows, and 80 lb. snow load specs for year-round durability. Ideal granny flats or rental units.

MHP Construction offers ADU construction services in California, including detached units, conversions, and in-law suites. ADUs provide rental income, family housing, and flexible living—without buying extra land.

JC Construction & Remodeling is a Sacramento ADU builder with 26+ years of experience and 426+ completed projects. Services include detached ADUs, garage conversions, room additions, and remodels across Sacramento, Roseville, Folsom, and nearby areas.

SmartSpaces ADUs offers a simple 3-step process: choose a pre-designed ADU model, customize finishes, then let their team handle permitting and construction. Ideal for detached ADUs, granny flats, or casitas—delivered move-in ready.

ADU Services is a premier ADU contractor in Santa Barbara, CA, specializing in custom accessory dwelling units including granny flats, backyard cottages, and in-law suites. They offer full project management, flexible customization, and sustainable, energy-efficient construction.

ADU Builder Columbus constructs accessory dwelling units, granny flats & in-law suites. Projects cost $50K–$150K+, take 3–6 months, and can boost property value. Financing options available.

Nestadu is a full-service ADU builder offering custom site-built and prefab ADUs. Site-built units start at $400/sqft; prefab models from $115K. They handle design, permitting, and construction, plus financing guidance including HELOCs and grants.