Basement Conversion

ADU builder Amplified Renovations serves Portland, OR and Vancouver, WA, specializing in accessory dwelling units including backyard cottages, garage conversions, and basement ADUs. Costs range from $150K–$350K+, with rental income potential of $1,500–$2,500/month.

Turn-key ADU builder offering detached and attached accessory dwelling units, granny flats, backyard cottages, and in-law suites. Features include quartz countertops, luxury vinyl flooring, mini split HVAC, and full kitchen. Custom upgrades available.

Elite Construction builds ADUs in Santa Cruz County, offering detached units, garage conversions & addition ADUs. Projects range 250–1,200 sq ft, cost $115K–$450K, and take 6–9 months. Free estimates available.

West Coast ADU is a California-based ADU builder offering prefab & manufactured accessory dwelling units. They help homeowners add rental income, house family members & boost property value with streamlined permitting & construction.

Vision Built Construction LLC is a trusted general contractor in Coeur d'Alene, Idaho, with 25+ years of experience. Specializing in custom homes, ADU construction, remodeling & commercial builds. Military discounts available.

Backyard Homes is a top ADU builder in Sacramento with 80+ completed units. They offer detached, attached, and conversion ADUs, handling design, permitting, and construction for a seamless experience across the greater Sacramento region.

Golden State ADUs is a Sacramento-based full-service ADU contractor offering design, permitting & construction. With 10+ years experience and 100+ projects, they build detached ADUs, in-law suites & backyard cottages across California.

Golden State ADUs is a full-service ADU contractor in Sacramento, CA. With 10+ years of experience and 100+ projects, they offer design, permitting, and construction for detached ADUs, in-law suites, and backyard cottages across California.

Central Coast ADU offers full ADU planning, design, and permitting services for homeowners on the Central Coast. From granny flats to garage conversions, they deliver construction-ready plans and approved permits.

IHS is a Boise home builder specializing in ADU construction. Their Darlington Place project features six homes with basement Accessory Dwelling Units, offering flexible living for rentals, in-law suites, or multi-generational families.

ABQ ADU is Albuquerque's ADU design/build specialist, offering casitas, guest houses & backyard cottages from $69,000. Serving Bernalillo County, they provide free consultations & custom construction solutions for eligible homeowners.

The DADU Guy is a Tacoma-based detached ADU builder serving Pierce County, WA. Specializing in DADUs, garage conversions, and basement conversions, they offer 5 floor plans, guaranteed pricing, and full project management to maximize property value.

Levite Construction Co is a Seattle-based family-owned general contractor offering kitchen remodeling, bathroom remodeling, ADU construction, garage conversions, new builds, interior design, and more across the Greater Seattle area.

Cascadia ADU builds attached, detached, garage & basement ADUs across King, Snohomish, Skagit & Chelan Counties, WA. Full-service design, permitting & construction completed in 8–10 weeks with 10+ years experience.

Northwest ADU is a full-service ADU contractor in Western Washington specializing in detached ADUs, garage conversions, and basement conversions. Serving Pierce, King, and Snohomish Counties, projects range from $180K–$350K+, taking 6–10 months.