Builder Directory

This California-based manufacturer specializes in factory-built, state-pre-approved ADU designs ranging from 340 to 1,200 square feet, with a distinctive one-day installation process and fixed-price guarantee that covers permitting, foundation, and installation. Operating across more than 90 California cities with a 100% approval rate, the company differentiates itself through streamlined permitting (as few as 10 business days), fire-resistant WUI-certified designs, and rapid timelines from contract to occupancy—typically under six months. Abodu explicitly positions itself as a solution for wildfire rebuilding under California's AB 462, allowing residents to inhabit their ADU while their primary homes are reconstructed.

This Albuquerque-based design and build firm specializes in casita construction, offering completed ADUs starting at $69,000 to address regional housing shortages. ABQ ADU emphasizes thoughtful design and sustainable backyard solutions that add property value while maintaining neighborhood character. As an accredited ADU specialist, the company serves homeowners throughout New Mexico seeking practical alternatives to traditional housing expansion.

This Pennsylvania-based manufacturer specializes in designing and delivering turnkey tiny homes and accessory dwelling units, handling the entire process from design and permitting through completion to minimize construction surprises and ensure on-time, on-budget delivery. The company offers both detached and attached ADUs, standalone tiny homes, and custom pool houses, using high-quality materials backed by manufacturer warranties while providing standard and fully customized floor plan options. Acorn Tiny Homes targets diverse clientele including multigenerational households, rental property investors, first-time homebuyers, and those downsizing, positioning ADUs and tiny homes as solutions for increasing property value and lifestyle flexibility.

A Baton Rouge-based general contractor, this firm specializes in both commercial and residential construction, offering new builds and comprehensive remodeling services alongside in-house design capabilities that include permitting plans, building layouts, and interior design. Their residential portfolio encompasses everything from starter homes and custom dream homes to additions like accessory dwelling units, with an emphasis on customized design solutions tailored to individual client needs. The company distinguishes itself through its full-service approach, combining construction expertise with design services and home staging to support clients throughout the entire project lifecycle.

ADORE Homes operates as a California-based ADU builder specializing in prefabricated and custom accessory dwelling units for the state's residential market. The company focuses on streamlining the ADU development process through design-forward solutions tailored to California's regulatory and climate conditions. ADORE Homes positions itself as a regional specialist addressing the state's housing shortage through efficient, code-compliant unit production.

Specializing in modular and site-built accessory dwelling units throughout Massachusetts, this manufacturer distinguishes itself through factory-controlled production that prioritizes transparency and quality oversight—inviting clients to tour its climate-controlled facility to witness construction firsthand. The company offers three ADU configurations (detached, attached, and converted), full-service design and permitting, and customizable layouts backed by a 10-year structural warranty through a major Northeast building supplier. By handling every phase from design through turnkey completion, ADU Building Systems positions itself as an end-to-end solution for homeowners seeking reliable ADU construction with verifiable craftsmanship and material standards.

ADU Design and Build is a licensed design-build firm serving the Portland, Oregon area and Willamette Valley that manages the complete ADU development process from site analysis through final construction, eliminating the need for homeowners to coordinate multiple contractors or navigate permitting independently. The company handles all phases—design, engineering, permitting, and construction—while specializing in detached backyard units, garage conversions, and interior space renovations tailored to rental income, multigenerational living, or property value enhancement. Their integrated approach addresses the full scope of ADU complexity, from feasibility studies and cost transparency to inspections and project closeout.

ADU Design Builders serves the Tampa Bay region with custom-designed and pre-planned accessory dwelling units for rental income, multigenerational living, and guest accommodations. The state-certified builder offers both attached and freestanding ADU options, with a choice of existing floor plans or fully customized designs tailored to individual properties. The company emphasizes personalized design, property eligibility assessment, and seamless integration with existing residential structures.

This Florida-based ADU manufacturer specializes in rapid construction of customizable mini homes using 100 percent green building materials, including recycled content and steel-skinned structural insulated panels designed for disaster resistance. The company offers a streamlined three-step process allowing homeowners to select from in-house designs, modify existing plans, or submit custom designs before site inspection and accelerated construction. Distinguishing itself through emphasis on sustainability, durability, and flexible design options, the firm serves Florida property owners seeking secondary dwellings that combine ecological soundness with efficient, luxury-oriented interiors.

This California-based firm specializes in guiding homeowners through the complete ADU development process—from design and permitting to construction—with particular emphasis on helping clients retain ownership of their permit applications rather than ceding control to contractors. The company offers both custom design services through its in-house Design & Engineering team and pre-approved municipal plans, supported by complimentary consultations covering zoning, financing, timelines, and property tax implications. Their approach prioritizes client flexibility, allowing homeowners to shop permitted plans to multiple builders for competitive pricing while navigating California's complex ADU regulations.

ADU-PRO Corp provides end-to-end ADU development services throughout Massachusetts, specializing in navigating the state's complex permitting requirements under the Affordable Homes Act. The company offers consultation and construction support for residential properties seeking to add guest suites, rental units, or home offices. Their approach emphasizes seamless regulatory compliance and project oversight from initial planning through completion.

ADU4U Denver specializes in custom accessory dwelling unit design and construction for Colorado homeowners, offering integrated services spanning planning, building, real estate assistance, and financing to streamline the ADU development process. The company positions itself as a full-service partner capable of managing every phase of an ADU project, from initial zoning evaluation and site assessment through final construction. Their service model emphasizes personalized solutions that address diverse homeowner needs, whether for rental income, multigenerational living, or property investment purposes.

This family-owned, design-build general contractor has served the Portland and Vancouver markets since 2021, offering both complete in-house design-build services and build-only work for clients with existing architectural plans. Amplified Renovations specializes in kitchens, bathrooms, basements, ADUs, additions, and whole-home renovations, operating with a flexible approach that emphasizes on-time completion, transparent communication, and precision craftsmanship. The firm distinguishes itself through its dual-service model, allowing homeowners to engage a single dedicated team from concept through construction or to collaborate with existing design partners while handling permitting and project management.

This New Mexico–based builder specializes in residential communities across the Rio Rancho and Albuquerque metropolitan areas, offering move-in-ready homes and custom builds on oversized lots up to one acre. Amreston Homes distinguishes itself through environmentally sound construction practices, modern design, and flexible options including guest homes and builds on owner-supplied land. The company emphasizes lifestyle-centered design that accommodates families, pets, and the way homeowners actually live.

This Arizona-based custom design-build firm has specialized in casitas for over 30 years, offering an extensive range of configurations from studio to multi-bedroom units with customizable features including office spaces, sound studios, RV garages, and roof decks. The company differentiates itself through an in-house design team, complimentary 3D renderings and proposals, and a curated approach to interior finishes that simplifies the selection process for clients. Arizona Casita Builders serves the Arizona market exclusively, emphasizing craftsmanship, modern design, and quality materials sourced from trusted brands.

This Atlanta-based builder has been managing end-to-end ADU projects since 2018, handling everything from zoning research and design through permitting and construction. ATL ADU Co offers pre-designed models tailored to Atlanta's residential zones and serves homeowners seeking rental income or multigenerational living arrangements, with particular attention to accessibility features. The company's full-service approach eliminates client involvement in permitting and construction phases, streamlining the development process for property owners throughout the Atlanta metropolitan area.

This Texas-based manufacturer specializes in designing and constructing tiny homes and accessory dwelling units tailored to the Austin market and surrounding regions. Austin Tiny Homes focuses on delivering customizable, efficient housing solutions that address local housing needs while maintaining design quality and affordability. The company serves homeowners and investors seeking ADU options in Central Texas through direct consultation and project-based construction.

This Austin-based manufacturer offers a streamlined, fixed-price approach to ADU construction, with turnkey units ranging from $125,000 to $300,000. The company provides both standard floor plans and custom design options, simplifying the building process through a five-step selection system that covers style, layout, upgrades, and financing. By emphasizing transparent pricing and minimal surprises, Austin ADU Builders positions itself as an accessible entry point for Texas homeowners seeking to add secondary units to their properties.

Avail Enterprises, LLC is a Northern Nevada general contractor specializing in new construction, residential remodels, commercial tenant improvements, and accessory dwelling units. The Reno-based firm emphasizes quality craftsmanship and customer satisfaction throughout projects, from planning to completion, and holds an Angi.com 2021 Super Service Award. The company serves the greater Northern Nevada region including Sparks and maintains strong communication with clients to ensure project timelines and specifications are met.

This 3D-printing manufacturer specializes in robotically printed ADUs constructed from recycled plastic waste, achieving production timelines 70% faster than traditional construction while generating zero print waste. Azure Printed Homes offers customizable modular designs through an online platform, with units fully finished and delivered as move-in-ready homes in approximately two to three weeks from order. The company's proprietary process converts approximately 100,000 plastic bottles per 120-square-foot unit, positioning sustainability and rapid deployment as core competitive advantages in the prefabricated housing market.