Builder Directory

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.

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.

With over 30 years of experience, COOPER Design Build serves the Portland, Oregon area as a full-service design-build firm specializing in comprehensive home transformations, including ADUs, historic restorations, and luxury remodels. The company integrates design and construction disciplines under one roof to manage projects from initial concept through completion, emphasizing craftsmanship, communication, and adherence to timelines and budgets. Their service range spans kitchen and bath renovations, home additions, aging-in-place modifications, and accessory dwelling units, positioning them as a versatile contractor for Portland-area homeowners seeking coordinated design-build solutions.

This Washington County, Oregon-based design-build contractor has offered custom home construction, remodeling, and ADU services since 2003, serving the Portland metropolitan area including Tigard, West Linn, Lake Oswego, and surrounding communities. Cornerstone Builders emphasizes a full-service approach that spans conception through completion, featuring 3D digital modeling, budget-conscious design, and craftsmanship across kitchen and bathroom remodels, home additions, whole-home renovations, and new construction. The company holds a 4.9-star rating and positions itself as a generalist builder capable of executing both traditional and contemporary architectural styles.

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.

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.

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.

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.