Prefab / Modular ADU

Movable Roots, Melbourne FL, builds modular homes & ADUs engineered for Florida's climate. Models range from 312–1,335 sq ft, starting at $100K. Permanent foundation homes eligible for traditional financing. Custom designs available.

Caserella Tiny builds custom ADUs using durable steel framing. Models start at $65,000 (200 sq ft) to $99,000 (400 sq ft). Benefits include termite resistance, fire safety, mold resistance, and high thermal efficiency—ideal for rental, family, o... read more

Rare Forms & New Frameworks offer the Casita series—prefabricated ADUs built with sustainable Massachusetts wood and straw. All-electric, non-toxic, and customizable, models include the Cabinita 300 and Terra 600 for eco-friendly backyard co... read more

RBC Homes builds ADUs and backyard structures in Virginia Beach, VA. Learn about zoning rules, R-40 district requirements, setback limits, and ADU alternatives like pool houses, detached garages, and modular units for homeowners.

The Smartest Modular ADU for your Backyard

Tiny Heirloom is a family-owned tiny home builder offering custom, prefab, and pre-owned homes. They serve residential and commercial clients, including ADUs, resorts, and workforce housing, prioritizing quality craftsmanship and intentional livin... read more

Tiny Homes ATX designs and builds customizable 200-400 sq ft tiny homes in Austin, Texas, priced $63,000-$100,000. Options include finishes, flooring, and fixtures, with nationwide delivery and durable, energy-efficient construction materials.

Jaws Construction Services builds ADUs, garage conversions, and JADUs. They handle permits, HOA coordination, and offer site-built or prefab options. East Bay ADUs rent for $1,500–$3,500+/month, potentially boosting property value.

Alpine Forge builds precision ADUs and tiny homes in Nampa, Idaho. Using a panelized method, they offer faster timelines, cost predictability, and energy-efficient designs for rental units, guest houses, in-law suites, and backyard cottages.

New Creation Tiny Homes in Grand Junction, CO designs and builds tiny homes, ADUs, and backyard cottages, offering custom construction, DIY shells, and hands-on build classes led by experienced architects since 2013.

An ADU is a legal, habitable living space added to an existing property. They can be site-built or factory-built, vary in size by location, and may boost home resale value by ~45%. Always verify local codes and builder credentials.

Ron Morgan Construction is a Massachusetts ADU contractor offering full-service accessory dwelling units from 300–900 sq ft. Licensed under the 2024 Affordable Homes Act, they handle design, permits & construction. ADUs start at $90,000.

Heritage Modular Homes builds ADUs across MA, RI, CT & NH. With 40+ years experience, they offer custom ADU design, modular installation & in-law suites, backed by a 10-year warranty & free consultations.

Venture Tiny Home Builders, based in Camarillo, CA, builds ADUs and tiny homes with pre-designed models and custom options starting at $100,000. ANSI+ certified construction, financing options, and local permitting resources for Ojai and Los Angel... read more

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.