Builder Directory

This architect-designed ADU manufacturer specializes in custom steel-frame units built in weeks rather than months or years, featuring distinctive black or white steel exteriors paired with wood facades and expansive glazing. Cover's approach emphasizes streamlined design and construction from initial consultation through installation, with configurable interiors and durable, health-conscious materials engineered for longevity. The company handles the full development pipeline—from design and permitting through manufacturing and move-in—positioning itself as an end-to-end solution for homeowners seeking efficient ADU construction.

This family-owned Nashville-based builder has specialized in custom home remodeling, renovations, and additions since 1987, with a distinctive hands-on approach that keeps homeowners involved through regular updates and weekly meetings. Their service area spans Nashville, Franklin, Brentwood, Belle Meade, and surrounding Middle Tennessee communities, and their project portfolio includes accessory dwelling units alongside kitchens, bathrooms, basements, sunrooms, and outdoor structures. Crane Builders emphasizes detailed planning and intentional customization, leveraging state-of-the-art software and established processes to deliver projects on time and on budget.

Crest Backyard Homes is a San Diego–based ADU builder specializing in factory-built accessory dwelling units designed for multiple use cases, including rental income, multigenerational housing, and age-in-place caregiving arrangements. The company offers prefabricated ADU solutions and provides full-service development support, helping homeowners navigate California's evolving regulatory landscape, including opportunities created by AB 976's removal of owner-occupancy requirements. Crest's approach emphasizes comprehensive property assessment and customized design options to maximize each property's ADU potential.

D&A Construction Las Vegas is a Nevada-licensed general contractor (License #0092379) based in Las Vegas that specializes in residential construction and space transformations with a customer-centric approach. The company distinguishes itself through expedited service offerings, including same-day on-site estimates at no obligation, detailed cost transparency, and personalized solutions aimed at enhancing clients' living experiences. Award-recognized for quality craftsmanship, D&A Construction serves the Las Vegas market with licensed B-2 professionals focused on turning construction projects into finished spaces that reflect clients' aspirations.

DC Structures manufactures pre-engineered post and beam timber frame building kits for residential and commercial use across all 50 states, offering diverse designs ranging from barns and cabins to barndominiums and event venues. The company distinguishes itself through a streamlined production process that delivers pre-cut, pre-drilled, and labeled components enabling faster assembly with reduced labor compared to conventional construction, while accommodating local building code variations nationwide. Their offerings include complementary interior design services and extensive customization options to adapt structures to individual client needs and regional requirements.

Based in Asheville, North Carolina, this prefab manufacturer specializes in distinctive round homes engineered for weather resilience, with a recent focus on compact backyard cottages ranging from 326 to 517 square feet. Their signature circular design combines panoramic windows, vaulted ceilings, and efficient open interiors to maximize livable space while minimizing footprint, positioning their ADU offerings as both functional additions and architectural focal points. The company's commitment to durability has been reinforced by their homes' performance through repeated severe weather events in their mountain region.

Design Build Remodeling Group of Maryland, based in Eldersburg, operates as a full-service remodeling contractor serving the Baltimore and Washington, DC suburban region with specializations in accessory dwelling units, in-law suites, kitchen renovations, room additions, and whole-home remodeling. The firm has earned recognition as a Remodeling Big50 honoree, a prestigious national distinction recognizing the top 50 remodeling companies in the United States for excellence in craftsmanship, professionalism, and customer service. The company offers a complimentary feasibility study to prospective clients exploring ADU and home expansion projects.

Office of Mobile Design is an award-winning California-based architecture studio specializing in modular, prefabricated ADUs and residential structures designed for sustainability and climate resilience. Led by architect Jennifer Siegal with over 25 years of expertise, the firm emphasizes off-site precision construction combined with adaptable design that minimizes waste while maintaining aesthetic quality and flexibility for changing household needs. OMD's distinctive approach integrates fire-resistant systems, high-performance materials, and streamlined permitting advantages inherent to modular construction, positioning modular architecture as both environmentally responsible and architecturally innovative.

Distinctive Design Remodeling is a locally owned, nationally ranked general contractor serving the Lexington, Kentucky area that offers custom home remodeling services including room additions, finished basements, garage additions, covered decks, screen rooms, and ADUs. The company positions itself as a full-service partner for homeowners seeking to expand living space or improve their properties through comprehensive renovation solutions. Its service offerings indicate a broad approach to residential expansion projects rather than ADU specialization.

This female-owned Austin-based builder brings over 14 years of construction experience to custom homes, remodels, and ADUs across the greater Austin area, including neighborhoods like Tarrytown, Cedar Park, Hyde Park, and Jonestown. Domain Construction has completed more than 600 projects and distinguishes itself through a rigorous four-level quality control process featuring daily crew oversight, frequent project manager check-ins, and collaborative final walkthroughs. The company offers comprehensive design-and-build services with a one-year warranty and has established expertise in helping Austin residents expand their properties through ADU development.

This San Francisco Bay Area-based consulting firm specializes in passive solar design, photovoltaic systems, battery energy storage, and modular building solutions for off-grid and net-zero structures. Drawing on decades of experience in sustainable technologies and owner-builder practices, the firm offers comprehensive services spanning residential ADUs to village-scale infrastructure and water systems. Their approach combines early computer modeling techniques with pragmatic design solutions for homeowners, developers, and municipalities seeking sustainable living solutions.

Dream Home Builders Charlotte is a design-build firm serving the greater Charlotte region with a focus on custom homes, kitchen and bathroom remodeling, home additions, and outdoor living spaces. The company emphasizes sustainable quality and premium craftsmanship, combining elite interior design with functional, lasting value across residential projects. While primarily known for whole-home remodeling services, the firm's design-build expertise and custom approach to space expansion positions it within the broader residential construction sector serving North Carolina homeowners.

This Portland-based company specializes in building and managing ADUs exclusively within the Oregon market, with particular focus on the Portland metropolitan area. Dweller distinguishes itself through a deferred ownership model that allows homeowners to build ADUs on their properties while deferring full ownership until a later date, creating a streamlined pathway to rental income. The company handles both construction and ongoing management, positioning itself as a turnkey solution for homeowners seeking to monetize their properties through accessory dwelling units.

Eastern ADU is a North Carolina-based builder specializing in custom ADU design and construction tailored to individual property constraints and homeowner goals. The company offers a curated range of floor plans spanning 224 to 654 square feet across detached, attached, and conversion ADU types, with an emphasis on maximizing property utility for rental income, multi-generational housing, or future flexibility. Eastern ADU provides property-specific feasibility assessments and personalized design services to North Carolina homeowners seeking to develop accessory dwelling units.

Eastern Construction Group NC is a full-service general contractor and construction manager serving residential and commercial clients across North Carolina, specializing in Construction Manager at Risk (CMAR) and Design/Build methodologies. The firm distinguishes itself through collaborative, pre-construction planning that prioritizes budget protection, milestone achievement, and client investment objectives, with hands-on execution from project inception through closeout. While not exclusively focused on ADUs, the company's emphasis on tailored solutions, detailed planning, and transparent communication makes it positioned to handle accessory dwelling unit projects within its service area.

Emerald ADU Builders is a Seattle-based construction firm specializing in accessory dwelling unit design, permitting, and full turnkey construction, with a notable capability to complete detached ADUs (DADUs) in approximately three months. The company offers end-to-end services including ADU consultation, ADA-compliant design and planning, permitting assistance, and cost estimates, positioning itself as a single-point resource for homeowners navigating King County's lengthy permitting process. Their focus on streamlined project delivery and reasonable pricing differentiates them in the Pacific Northwest ADU market.

This Dallas-based builder specializes in designing and constructing accessory dwelling units—including casitas, in-law suites, and backyard homes—tailored to established neighborhoods like Lakewood, East Dallas, Highland Park, and University Park. Estate ADU distinguishes itself through its emphasis on architecturally aligned design that respects neighborhood character while navigating Dallas's strict zoning requirements, handling the full process from feasibility assessment through final construction. The company also offers garage conversion services as a faster, cost-efficient alternative for creating independent living spaces on constrained lots.

This veteran-owned Albuquerque general contractor has built its reputation since 1997 on specialized expertise in casitas and residential expansions, with particular depth in navigating New Mexico's building codes and ADU regulations. Extra Mile Builders NM combines award-winning craftsmanship with a localized approach, serving homeowners throughout the region who seek quality construction and long-term value. The company's foundation in the Albuquerque market and commitment to licensed, insured work distinguishes it among regional ADU builders.

Florida Made Tiny Homes specializes in custom ADUs built directly on client properties throughout Florida, serving major markets from Orlando to Miami with a focus on streamlined, hands-off construction. The company offers pre-designed models and a personalized local approach, positioning ADUs for multiple uses including rental income, multigenerational living, and guest spaces. Florida Made Tiny Homes emphasizes affordability and stress-free delivery through its proprietary "Florida Made ADU System," backed by customer testimonials highlighting smooth construction experiences and simplified downsizing transitions.

This Alabama-based builder specializes in energy-efficient accessory dwelling units across Jefferson County neighborhoods, offering three distinct models—the Forge Modern Suite, Forge Urban ADU, and Forge Family Suite—designed for backyard cottages, granny flats, and rental applications. The company constructs to Birmingham's 2015 International Residential Code standards and serves communities including Ensley, Bush Hills, Wylam, and Fairfield with a focus on efficient, code-compliant construction. Forge ADU Builders distinguishes itself through a curated product range and localized expertise in underserved markets within the Birmingham metro area.