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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ADU Builders Seattle (Maksymov Brownstone LLC) specializes in detached ADU construction across Seattle & King County. Licensed & bonded, they handle zoning, permits, and SDCI approvals. Services include backyard cottages, two-story units, garage conversions & rental-ready DADUs.
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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.
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True Built Home builds custom ADUs in Washington & Oregon, offering 14 floor plans from 495–1,199 sq ft, priced from $119,900. Plans include granny flats, in-law suites & backyard cottages with transparent pricing and customizable designs.
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Huskies Construction in Renton specializes in home additions, ADUs, and DADUs. Services include garage conversions, granny flats, in-law suites, backyard cottages, and room additions, helping homeowners expand living space or generate rental income.
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Seattle Remodeling LLC specializes in ADU construction in Seattle, offering mother-in-law suites, backyard cottages, garage conversions, and granny flats. They help homeowners add value, rental income, and flexible living space.
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Wise Choice Construction offers expert home additions & ADU builds in Seattle, WA. From detached ADUs and granny flats to in-law suites, they handle permits, zoning, and seamless integration—boosting property value and livable space.
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Neil Kelly Washington offers ADU design and build services in the Northwest, including detached ADUs, garage conversions, and attached units. Their team navigates local permits, balances design with functionality, and helps homeowners add value through custom accessory dwelling units.
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FTS Excavation offers full-service ADU site development in South Puget Sound, Western Washington. Services include grading, utilities, septic systems, foundation excavation & permits. Certified, reliable ADU contractor for backyard homes & accessory dwelling units.
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Seattle Backyard Homes builds expert ADUs, DADUs, garage conversions & backyard cottages in Seattle and Bellevue. Full-service ADU contractors handling design, permits, zoning & construction with quality craftsmanship and transparent pricing.
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Seattle ADUs offer rental income & flexible living. Coates Design Architects guides homeowners through detached, attached, garage & basement conversions. Costs range $200K–$350K+, with 7–11 month timelines. Sustainable design & permit-ready plans included.
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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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LYD Construction is a Seattle-area ADU builder & remodeling contractor with 25 years of experience. Services include kitchen, bathroom, basement renovations, deck building & ADU construction. Financing up to $200,000 available. Based in Bellevue, WA.
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At Puget Sound ADU Builders, we create functional and cozy and ADUs (Accessory Dwelling Units) in Washington. Our company was founded by Tanya Mills and built on a passion for providing high-quality, affordable housing solutions that unite families. With rising costs in traditional housing and care, we offer practical alternatives that allow your loved ones to live independently in comfortable spaces—right in your backyard.
read moreLakewood, Washington, is one of Pierce County's largest cities, with a growing population and a strong demand for additional housing solutions. As a city that borders Joint Base Lewis-McChord (JBLM), Lakewood sees consistent demand for rental housing from military families and personnel, making Accessory Dwelling Units (ADUs) an especially attractive investment for homeowners. Working with experienced ADU contractors in Lakewood, WA, can help you navigate local regulations while maximizing your property's potential.
Before beginning any ADU project in Lakewood, it's essential to understand the city's specific zoning and permitting requirements. Lakewood falls under the jurisdiction of the City of Lakewood Community Development Department, which oversees building permits and land use regulations. Key considerations include:
Professional ADU contractors in Lakewood, WA, are experienced in building several types of accessory dwelling units suited to the city's residential landscape. Given that many Lakewood properties feature ranch-style homes and larger lots, the most popular ADU types include:
Hiring a licensed and insured ADU contractor local to Lakewood, WA provides significant advantages. Local contractors are familiar with Pierce County's permitting timelines, Lakewood's specific zoning maps, and the city's inspection processes. They maintain established relationships with the Lakewood Community Development Department, which can help streamline your project approval and construction timeline.
With Lakewood's proximity to JBLM and its location along major commuter corridors like I-5 and SR-512, rental demand remains consistently strong. Homeowners who invest in a professionally built ADU can generate significant monthly rental income while also increasing overall property value. A qualified ADU contractor in Lakewood, WA, can help you design a unit that meets both local code requirements and the practical needs of today's renters, making your investment both compliant and profitable.