Builder Directory

Picasa Homes is a Las Vegas-based custom ADU and casita builder serving homeowners and investors across the region with an all-inclusive design-to-construction process. The company offers both ready-to-build floor plans and fully customizable options designed for multi-generational living, remote work, and accessory spaces, and operates a dedicated showroom in Las Vegas where customers can tour designs and discuss their projects.

This California-based manufacturer specializes in panelized and modular offsite construction, custom-fabricating components that compress project timelines to roughly half that of traditional site-built homes while prioritizing sustainability and quality control. Their panel-based system offers flexibility across a spectrum of finishes, from open-cavity panels to fully finished modules, enabling tailored solutions across housing and hospitality projects. The company has earned industry recognition including a LEED for Homes Platinum rating and multiple design awards, and actively supports wildfire recovery efforts through specialized rebuild solutions.

This Atlanta-based design-build firm specializes in residential remodeling with a particular focus on universal design solutions that accommodate both able-bodied residents and those with physical accessibility needs. Ponce Design Build differentiates itself through a collaborative, hands-on approach that guides projects from initial concept through completion, emphasizing integrated design that balances functionality with aesthetics. The company serves the greater Atlanta area and leverages expertise in architecture, building design, and real estate to execute custom remodeling projects aligned with each client's specific needs, tastes, and budget.

prefabADU is a California-based manufacturer with over two decades of experience designing and building custom prefabricated ADUs and single-family homes since 2004. The company distinguishes itself through architectural diversity, offering everything from Tuscan villas to contemporary designs while maintaining the efficiency of factory construction. Operating primarily in California, prefabADU positions factory-built homes as a construction method rather than a stylistic category, serving homeowners seeking additional space, multigenerational housing, or rental income opportunities.

This award-winning Pittsburgh-based builder specializes in custom home construction and remodeling, serving the local market for 25 years with a design-build approach emphasizing streamlined processes and client experience. Prime1 Builders distinguishes itself through personalized service and comprehensive project management, from initial design through completion, as evidenced by its 2025 Chrysalis Award recognition. The firm operates as a family business focused on creating memorable building experiences rather than relying solely on premium materials and finishes.

This Tucson-based builder specializes in designing and constructing accessory dwelling units tailored to the region's desert climate and zoning requirements, emphasizing local expertise and regulatory navigation. Prism Construction distinguishes itself through a commitment to sustainable building practices, energy-efficient systems, and quality craftsmanship, while maintaining transparent timelines and budgets throughout the construction process. The firm serves homeowners seeking to add family housing, guest quarters, or rental units to their properties, partnering with loanDepot to facilitate project financing.

ProCare Construction is a general contracting firm based in Austin, Texas that brings 30 years of combined expertise to residential and commercial projects, with particular specialization in ADUs, custom home additions, kitchen and bathroom remodeling, and new construction. The company emphasizes precision execution and clear communication throughout projects, positioning itself around quality craftsmanship, on-time delivery, and budget adherence. Serving the Austin market, ProCare distinguishes itself through a commitment to treating each project with meticulous care and transparent client interaction.

A women-owned builder based in Seattle, this company specializes in custom ADU design and full-service construction management across Western Washington, particularly the Puget Sound region. With over 25 years of experience, they handle every phase from feasibility assessment and permitting through final construction, emphasizing premium materials, on-time delivery, and tailored solutions for homeowners seeking to add rental or family housing. The firm also offers condoization services to help property owners maximize value and functionality.

This Oregon-based container home builder specializes in upcycled shipping container ADUs and single-family homes throughout Oregon and Washington, offering models ranging from 318 to 1,148 square feet across studio to two-bedroom configurations. Relevant Buildings differentiates itself by providing an integrated service model that includes design, financing assistance, permitting support, and construction—positioning upcycled containers as a sustainable alternative to conventional stick-built construction. The company maintains a showroom in Oregon City with regularly scheduled open houses and an expanding portfolio of completed projects.

Renewal Homes Northern Virginia operates as a Class A residential and commercial general contractor serving the Northern Virginia region, with over seven years of experience specializing in home remodeling, open-concept kitchens, and luxury bathrooms. The company distinguishes itself through personalized design services and a streamlined approach to home improvements, including their Renewal-2-Sell program for home sale preparation. However, the available information does not indicate that this contractor focuses specifically on accessory dwelling unit construction or development.

This Washington and Oregon-based builder brings over 15 years of ADU construction experience to the Pacific Northwest market, positioning itself as the regional standard-setter for accessory dwelling units and custom homes. RG ProBuilders distinguishes itself through a comprehensive, hands-on approach that handles permitting, utility coordination, and jurisdictional requirements while offering both pre-designed and fully custom plans across traditional, modern, and urban styles. The company extends its construction expertise beyond ADUs to include custom homes, barns, shops, and garages, all built to owner specifications with emphasis on quality materials and craftsmanship.

This Phoenix-based builder brings over 15 years of ADU, casita, and custom home construction experience to the Arizona metropolitan area, offering both pre-designed and fully custom solutions tailored to individual client needs. RG ProBuilders distinguishes itself through a hands-on approach that handles permitting, jurisdictional requirements, and utilities coordination, while maintaining a focus on quality materials and craftsmanship across residential projects of any scale. The company expands beyond ADUs to include custom homes, barns, shops, and garages, positioning itself as a comprehensive construction partner for homeowners seeking personalized building solutions in and around Phoenix.

This California-based ADU manufacturer offers fully integrated design, permitting, installation, and financing services for homeowners seeking turnkey backyard solutions. Samara's Backyard line features customizable units ranging from 690 to 950 square feet, with options for one to two bedrooms and solar-ready systems designed for flexibility in use—rental, accessory dwelling, or primary residence. The company maintains a particular focus on serving fire-affected Southern California communities while positioning itself for expansion beyond the state.

This Seattle-based design-build firm provides end-to-end services for detached ADUs, duplexes, and modern homes, handling design, permitting, and construction from concept to completion. The company distinguishes itself through specialized expertise in Seattle's zoning codes and permitting landscape, complemented by transparent pricing, timelines, and high design standards. Seattle Modern Buildings serves the Seattle metropolitan area and emphasizes on-time, on-budget delivery backed by feasibility assessments and comprehensive site evaluations before construction begins.

Second Key provides comprehensive ADU services to New York City homeowners, offering full-service solutions that span feasibility assessment, design, permitting, and construction from initial planning through Certificate of Occupancy. The company differentiates itself through its end-to-end project management approach, financing assistance with ADU-familiar lenders, and a streamlined workflow featuring pre-designed unit options alongside custom configurations, with typical projects reaching move-in readiness within six months of permit approval. Second Key's free ADU assessments serve as the entry point for NYC property owners seeking to understand their specific site constraints and development potential.

This Twin Cities-based firm specializes in custom ADU and tiny home design for Minneapolis and St. Paul homeowners, leveraging deep local expertise in regional zoning, permitting, and lot requirements to guide projects from concept through completion. The award-winning architects approach each project as an opportunity to create multifunctional spaces—from backyard cottages and in-law units to rental properties and home offices—that address diverse housing needs while contributing to the region's housing adaptability and affordability.

Shelter Dynamics manufactures prefabricated ADUs in California with a robust sustainability focus, integrating Energy Star appliances, hybrid electric heat pump water heaters, LED lighting, zone-controlled mini-split HVAC systems, solar arrays, and smart home automation as standard features. Based in Venice Beach, the company positions itself in the premium market segment by prioritizing energy efficiency and modern smart home technology across its product line. Their approach appeals to California homeowners and developers seeking environmentally conscious ADU solutions that meet the state's advancing efficiency standards.

This San Diego-based design-build contractor specializes exclusively in detached ADU construction, having completed over 125 projects across Greater San Diego County since 2020. SnapADU manages the entire process in-house—from feasibility and design through permitting and construction—offering transparent fixed pricing and a portfolio ranging from efficient compact units to custom three-bedroom homes. As a woman-owned firm, the company distinguishes itself through predictable pricing, accountability across all project phases, and deep expertise navigating San Diego's varied ADU requirements, including HOA-restricted properties.

This Charleston-based builder specializes in custom ADUs and backyard cottages designed to integrate seamlessly with the city's historic architectural character while navigating the Lowcountry's unique regulatory and environmental constraints. The firm demonstrates particular expertise in West Ashley, downtown Charleston, and island communities, where it addresses coastal building requirements and preservation guidelines alongside construction challenges specific to the region. Beyond detached ADUs and cottages, the company also offers home addition services, positioning itself as a comprehensive solution for homeowners seeking to expand living space within Charleston's distinctive built environment.

This St. Petersburg, Florida-based construction company specializes in custom-designed ADUs, managing projects from concept through completion with an emphasis on quality craftsmanship and modern design tailored to individual client needs. Suncoast Dwellings serves homeowners seeking to expand living space or increase property value through cost-effective, durable accessory dwelling units built with precision and attention to detail.