DIGS is a trusted ADU builder serving King & Snohomish County, WA. They offer custom ADU/DADU design, permitting, construction, and site development, helping homeowners add rental income, property value, and flexible living space.
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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.
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Puget Sound ADU Builders is a leader in ADU construction in western Washington state, excelling in design, construction, finishing, and permitting ADUs, DADUs, backyard cabins, garage conversions, duplexes, town homes, and multi-unit projects.
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Red's Construction & Renovation serves Federal Way & South King County, WA, specializing in ADU construction including detached, attached, garage conversions & basement units. Costs range from $50K–$300K+. Licensed, insured, transparent pricing.
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Explore pre-designed ADU floor plans from Modern ADU Plans — studio, 1-bed, 2-bed, garage conversions & more. Save time, reduce costs & maximize property value with ready-to-build accessory dwelling unit designs.
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NW Finishing is a Seattle-area ADU contractor offering full-service accessory dwelling unit design and construction. Serving Bellevue, Kirkland, Redmond, Renton, and more, they handle permits, planning, and builds for detached, cottage, and prefab ADUs.
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Marksymov Brownstone LLC is a licensed Seattle ADU contractor offering basement, garage & attic conversions. They handle design, permits & construction, ensuring code compliance across Seattle, Bellevue & Kirkland.
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Skagit Design Homes offers flexible ADU plans for detached units, backyard cottages & granny flats. Maximum ADU sizes vary by local zoning laws. Check municipal regulations early to ensure your accessory dwelling unit project stays on track.
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ModernSpace ADU Construction is a certified ADU builder serving Redmond, offering tailored accessory dwelling unit services. Competitive pricing, no hidden fees, and a satisfaction guarantee make them a trusted local choice.
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Emerald ADU Builders Seattle specializes in ADU design, permitting, and construction. They build detached ADUs, attached ADUs, and garage conversions, serving Seattle homeowners with quality craftsmanship and transparent pricing.
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Northwest ADU builds custom detached ADUs, garage conversions & basement ADUs across Western Washington. Serving King, Pierce & Snohomish Counties with full-service ADU construction, build-ready plans & permit management.
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Northwest ADU is a trusted ADU builder in Mill Creek, WA, offering full-service accessory dwelling unit construction, including detached ADUs, garage conversions, and basement conversions, with expert permit and zoning support.
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Cornerstone Builders LLC is a Sequim-based ADU builder serving Washington's North Olympic Peninsula for 40+ years. This certified design-build firm manages all phases—design, permitting, and construction—offering transparent, process-driven ADU solutions.
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H26 Builders is a Seattle ADU contractor offering attached ADUs, detached ADUs, and garage conversions. Services include design consultation, permitting support, and project management to help homeowners add functional living or rental space.
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Seattle's trusted DADU & ADU builder offers custom builds, ADU conversions, and prefab cabins. Transparent pricing, expert guidance, and hands-on construction help homeowners add lasting value with backyard cottages and granny flats.
read moreEdmonds, Washington is a charming waterfront city nestled along the shores of Puget Sound in Snohomish County. Known for its vibrant arts scene, historic downtown, and stunning views of the Olympic Mountains, Edmonds is a highly desirable place to live. As housing demand continues to grow in the greater Seattle metro area, many homeowners in Edmonds are turning to Accessory Dwelling Units (ADUs) as a smart solution for adding living space, generating rental income, or housing family members. Finding experienced ADU contractors in Edmonds, WA is the critical first step toward making that vision a reality.
Before breaking ground, it's essential to understand the local rules that govern ADU construction in Edmonds. The City of Edmonds has specific zoning codes under its Edmonds Community Development Code (ECDC) that regulate ADU development. Key regulations include:
A knowledgeable ADU contractor in Edmonds will be well-versed in these local codes and can help navigate the permitting process through the Edmonds Building Division efficiently.
Choosing the right contractor for your ADU project in Edmonds requires careful consideration. The city's unique geography — including sloped lots, older neighborhoods, and proximity to environmentally sensitive shoreline areas — means that local experience truly matters. Look for contractors who offer:
With Edmonds' strong real estate market and proximity to Seattle, Lynnwood, and the Edmonds-Kingston ferry terminal, an ADU can significantly increase your property's value and rental appeal. Whether you're building a backyard cottage, garage conversion, or basement ADU, working with a qualified Edmonds ADU contractor ensures your project meets all local standards while maximizing your investment in this beautiful Pacific Northwest community.