Builder Directory
Find prefab manufacturers, design-build firms, and contractors serving your area.
Forge Legacy DFW
This Dallas-Fort Worth-based design-build contractor specializes in detached ADUs, garage conversions, and pool house configurations, with pricing ranging from $40,000 to $220,000 and documented property value increases of 20 to 35 percent. The firm employs a six-phase process that guarantees compliance with DFW municipal permits and Texas building codes, positioning it to serve the region's rapidly expanding suburbs where rental demand remains strong. The company's focus on affordable options and regulatory certainty distinguishes it in a market where permitting complexity often delays ADU projects.
GardenState ADU
Garden State ADU specializes in building detached studio units and accessory dwelling units across New Jersey, focusing on owner-occupied properties and investment opportunities. The company designs and constructs ADUs tailored to local zoning requirements and homeowner needs, serving the growing demand for residential density solutions in the Northeast. Their work emphasizes practical, code-compliant structures that maximize usable space on residential properties.
Georgia ADU
This Atlanta-based design-build contractor specializes in full-service ADU development across multiple typologies—including detached and attached units, garage conversions, studios, and poolside structures—managing design, permitting, and stick-built construction in-house. Georgia ADU distinguishes itself through an emphasis on transparent communication, customization to local zoning and architectural styles, and leveraging advanced technology throughout the development process. The firm serves the Atlanta metro area with a streamlined approach designed to simplify what it positions as an otherwise complex permitting and building landscape.
Georgia ADU Builder
This Atlanta-based builder leverages over 20 years of design-build experience to deliver custom ADUs and backyard cottages across the greater Atlanta region, including Cobb, Fulton, Forsyth, Gwinnett, Cherokee, Bartow, and DeKalb Counties. The company distinguishes itself by positioning ADUs as versatile, cost-effective solutions—marketed not only as rental income or family housing but also as home offices, fitness studios, and personal retreats—with emphasis on luxury finishes at accessible price points. Each unit is fully customized to match local regulations and individual lifestyle needs, reflecting the company's approach to unlocking property potential through purpose-built accessory dwelling units.
GoADU Construction
GoADU Construction specializes in designing and building accessory dwelling units across Los Angeles and Southern California, offering a full-service approach that encompasses design, permitting, engineering, and construction oversight. The company distinguishes itself through deep local expertise in Los Angeles building codes and city approval processes, combined with a transparent, communicative approach that emphasizes schedule adherence and budget protection. GoADU's project range includes attached ADUs, detached backyard units, and garage conversions, all executed by fully licensed and insured contractors.
Golden State ADUs
Golden State ADUs is a full-service design-build construction company based in Sacramento that provides design, permitting, and construction services for accessory dwelling units throughout California. With over 10 years of experience and more than 100 completed projects, the firm distinguishes itself through an in-house design and engineering team that creates custom ADUs tailored to individual properties and needs. The company streamlines the client experience with expedited processes, including a 72-hour project proposal turnaround for returning clients.
Greenso Las Vegas
This Las Vegas-based licensed general contractor specializes in ADU construction alongside broader residential remodeling services including kitchens, bathrooms, and home additions. The company emphasizes code-compliant, efficient ADU builds designed to increase property value and generate rental income for homeowners in the Las Vegas area. Their approach combines durable craftsmanship with clear communication across custom construction projects tailored to local climate and building requirements.
GTG Builders New Jersey
This award-winning, second-generation design-build firm serves Central New Jersey across Hunterdon, Somerset, and Mercer counties, specializing in custom homes tailored to clients' unique budgets and timelines. GTG Builders distinguishes itself through a client-centered design-build process that integrates experienced builders with a vetted network of local architects and designers, handling projects from concept through completion. With over 25 years of experience, the firm emphasizes streamlined project management and customer satisfaction, working flexibly whether clients are starting from scratch, seeking land, or already partnered with design professionals.
Haas Development
This Seattle-based construction firm provides full-service ADU and DADU development alongside general remodeling, custom cabinetry, and new home construction. The company distinguishes itself through pre-approved DADU plans already vetted by the City of Seattle, in-house design and structural engineering capabilities, and hand-crafted millwork produced in their local workshop. Haas Development positions itself as a turnkey provider handling all phases from planning and permitting through move-in-ready delivery for residential clients throughout the Seattle area.
Hanson Design Build Remodel
Hanson Design Build Remodel is a Minneapolis-based full-service remodeling firm that emphasizes in-house teams, transparent processes, and reliable project delivery within budget and timeline. While the company's homepage does not specifically highlight ADU construction, it serves homeowners seeking to expand living spaces through kitchen, bathroom, attic, and basement renovations—work that often complements or enables accessory dwelling unit development. The firm's distinctive approach centers on a people-first design-build methodology that prioritizes client vision and craftsmanship across residential transformation projects.
Haven ADUs
Haven ADUs specializes in designing, permitting, and constructing detached backyard accessory dwelling units exclusively for New York City homeowners, offering a full-service model that consolidates design, Department of Buildings filings, and construction management under a single point of contact. The company tailors each project to its specific lot and site conditions rather than relying on standardized plans, and handles the complete process from zoning analysis through certificate of occupancy. Haven offers four product sizes—Studio, Medium, Large, and X-Large—with units positioned to generate rental income, provide family housing, or serve as home office space in a market where backyard ADUs are now permitted.
Hochuli Design Remodeling
Hochuli Design Remodeling is a design-build contractor based in Tempe, Arizona, specializing in kitchen and bathroom remodels, whole-home renovations, and ADU additions across the Phoenix metropolitan area, including Scottsdale, Gilbert, Mesa, and Chandler. The firm emphasizes custom design tailored to clients' preferences while maintaining functional, contemporary aesthetics, with particular expertise in high-end finishes like custom tile work. The company positions itself on delivering superior craftsmanship and seamless integration of new spaces—particularly ADUs—into existing properties throughout central and east Phoenix.
Home Quality Remodeling NJ
Home Quality Remodeling NJ is a New Jersey-based contractor with over 20 years of experience specializing in residential remodeling and renovation projects, including kitchens, bathrooms, and home additions. The company emphasizes stress-free project management and craftsmanship, serving the greater New Jersey area with a focus on transforming living spaces to client specifications. While primarily positioned as a general remodeling firm, the company lists ADU construction among its service offerings.
Homes Direct
This West Coast dealer operates 13 locations across Washington, Oregon, California, Arizona, and New Mexico, positioning itself as the region's largest new manufactured and modular home retailer with direct access to seven major U.S. factories including Palm Harbor, Goldenwest, Champion, and Karsten Homes. The company distinguishes itself through extensive customization capabilities—from minor modifications to entirely custom floor plans and two-story models—and provides comprehensive support spanning site selection, financing, permitting, and construction oversight. With approximately 972 homes built in 2026, Homes Direct serves a five-state region while offering inventory across multiple square footage and bedroom configurations.
Houston Construction Pro
This Houston-based general contractor specializes in home additions—including second-story additions, in-law suites, and garage conversions—alongside comprehensive remodeling services for kitchens, bathrooms, and whole-home renovations. With over 10 years of experience, the firm serves homeowners across Houston and surrounding areas, positioning itself as a full-service builder capable of managing projects from new construction to single-room upgrades. The company emphasizes skilled craftsmanship and client-focused service across its diverse residential construction portfolio.
HTX Tiny Homes
This custom builder specializes in turn-key accessory dwelling units and single-family homes for the Greater Houston and Southeast Texas market, offering a catalog of base models ranging from 240 to 1,000 square feet alongside fully customized designs. HTX Tiny Homes serves individual homeowners and investors seeking guest houses, rental units, or multi-unit developments, with pricing scaled to client specifications and site conditions. The company distinguishes itself through flexibility in design and finish selections, allowing clients to modify existing models or commission entirely custom builds while maintaining transparent pricing structures tied to square footage and material choices.
Hudson Pro Builders
This Chicago-based design-build firm specializes in custom residential construction and remodels, distinguishing itself through an integrated approach that pairs in-house architectural expertise with general contracting services from the project's inception. Hudson Pro Builders emphasizes detailed upfront design collaboration and high-quality craftsmanship, positioning itself against contractors offering generic "builder-grade" results or poor client communication. The firm serves the Chicago area and focuses on delivering luxury custom homes tailored to clients' specific functional needs and design visions.
Impactful Construction Group
This Los Angeles-based general contractor specializes in ADU construction, custom homes, and residential additions throughout Greater Los Angeles, with deep expertise in navigating LA County's regulatory requirements and expedited permitting processes. The firm serves as the construction partner for GatherADU, leveraging its licensed status and knowledge of California state ADU laws to streamline project timelines for homeowners. Its focus on the Southern California market reflects both regional specialization and an understanding of local zoning complexities that affect ADU feasibility.
Ironstone Homes Pennsylvania
This Pennsylvania-based builder specializes in fully custom home design and construction across the Lancaster, Lebanon, Hershey, and West Chester regions, leveraging in-house designers to realize client visions without standard limitations. Beyond new builds completed in approximately four months on average, the company offers custom additions, renovations, garages, and outbuildings, positioning itself as a comprehensive solution for both new construction and existing home expansion. Ironstone emphasizes a streamlined design-to-build process and quality craftsmanship as core differentiators, with clients frequently noting the stress-free experience throughout construction.
J. Carsten Remodeling
This Minneapolis-based remodeling contractor has been serving the Twin Cities metro area for over 20 years, bringing award-winning design and craftsmanship to residential projects. While primarily focused on general home remodeling rather than ADUs specifically, the company's hands-on approach—including owner supervision and collaborative design work—demonstrates the quality oversight and problem-solving that accessory dwelling unit projects require. The firm's experience with space-efficient layouts and custom construction, as evidenced by client projects ranging from kitchen renovations to outbuildings, positions it as a capable partner for homeowners seeking local expertise in the Minnesota market.