Era Builders is a Seattle-based ADU contractor offering detached ADU construction, design, permitting, remodeling, and commercial renovations. They handle full ADU projects compliant with Seattle zoning rules, using sustainable practices.
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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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Olympic View Building is an ADU contractor offering detached ADU construction, garage conversions, in-law suites, granny flats, and JADU services. They help homeowners add value and living space while navigating zoning laws and building codes.
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BB Builders Pro specializes in ADU construction, garage conversions, home additions, and detached backyard cottages. Services include custom design, permitting, zoning compliance, and renovations—ideal for rental income or family housing.
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HiLine Homes is an experienced ADU builder in Idaho with nearly 30 years in custom home construction. They offer attached and detached ADU designs for rental income, multigenerational living, or home offices, with financing options available.
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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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Gravity Builders LLC is a licensed ADU contractor and custom home builder in Renton, WA. Specializing in ADU/DADU construction, custom homes, outdoor living spaces, and concrete work, they deliver quality craftsmanship with transparency and integrity.
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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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Bicknell Builds offers ADU construction in the greater Seattle area, including detached ADUs, backyard cottages, granny flats, and in-law suites. Ideal for rental income, family housing, or added property value.
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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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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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Seattle's 2019 ADU law changes made it easier to build accessory dwelling units on single-family lots. DADUs can't exceed 50% of the main home's size. No parking required. New detached ADUs start around $350,000.
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Twin Brothers Group is a licensed framing contractor in Washington State specializing in ADU, DADU, garage conversions, and home additions across King and Snohomish County, serving Seattle-area GCs and owner-builders.
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.