Prefab / Modular ADU

Park Atlanta Construction builds custom homes, ADUs, remodels & more across Atlanta. With 30+ years experience, they handle design, permitting & construction. Standard ADU plans from 352–750 sq ft available. Serving south metro Atlanta to Blue Ridge Mountains.

Eco-friendly ADU builder specializing in accessory dwelling units, granny flats, and JADUs. Uses recycled materials and steel-skinned insulated panels. Flexible designs, fast build times. Service-disabled veteran-owned with veteran housing and employment programs.

Sioux Falls Home Remodeling builds custom ADUs in Sioux Falls, SD. Services include detached ADUs, garage conversions, granny flats & in-law suites. Costs range from $25K–$180K+. Serving Minnehaha & Lincoln Counties.

Nunley Custom Homes builds ADUs in Greenville, SC—detached units, garage conversions, basement & attic ADUs. Costs range $150–$400/sq ft. Full permitting, zoning, and construction management included. 34+ years experience.

Cali ADU is a top Los Angeles ADU builder offering custom and pre-designed accessory dwelling units, garage conversions, and granny flats. Fixed pricing, fast permitting, and expert project management ensure stress-free builds from design to move-in.

Addition Builders LA is a full-service ADU contractor in Los Angeles offering custom ADUs, prefab units, and garage conversions. Licensed, bonded, and insured, they manage design to construction, completing projects in as little as nine months with transparent pricing.

Acorn Deck House builds luxury prefab ADUs in MA, featuring exposed beams & large windows. Options include 900 sq ft & 730 sq ft models. ADUs boost property value by 25–34% & generate rental income.

Top-Pro Construction, Inc. is Greater Boston's trusted ADU builder with 25 years of experience. Specializing in detached ADUs, attached units, garage conversions & basement ADUs to boost property value and rental income.

Cookeville Home Remodeling builds custom ADUs in Cookeville, TN. Services include detached ADUs, garage conversions, granny flats & in-law suites. Costs range from $25K–$180K+. Licensed, insured & serving Putnam County.

ADU Design Homes is a full-service ADU design and build firm in Los Angeles and Orange County. They handle detached ADUs, JADUs, garage conversions, permitting, engineering, and construction under one roof.

Genesis Homes is a leading ADU builder in the US, specializing in factory-built accessory dwelling units for developers. Available in 48 states, their offsite construction model offers speed, cost savings, and quality for granny flats, in-law suites, and backyard cottages.

LiveLarge Home is a California prefab ADU builder offering full-service solutions from permits to final inspection. Build times start at 4–6 weeks, with fixed pricing from $412/sq. ft. Models range from studios to 2-bed/2-bath units with premium finishes.

ADU Company San Diego County specializes in off-site ADU construction, offering efficient, affordable accessory dwelling units. From granny flats to detached ADUs, their expert team guides clients from concept to Certificate of Occupancy.

Trusted Connecticut ADU builder offering custom, modular & prefab accessory dwelling units. Energy-efficient designs, full permitting support & streamlined build process. Expert navigation of CT zoning laws including Public Act 21-29.

Build smarter with a prefab or modular ADU in Connecticut. Factory-built units meet state zoning and energy codes, cost $95K–$185K+, and install 30–50% faster than traditional builds. Serving Hartford, New Haven, Waterbury, and statewide.