DeMarco Builders is a licensed general contractor since 1996, offering residential and commercial construction, custom homes, ADUs, remodels, and additions. Using critical path management, they deliver projects faster while maintaining quality.
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Brothers Lane Builders, LLC specializes in ADU (Accessory Dwelling Unit) construction for homeowners in Salem, Oregon. Whether you want a backyard cottage, in-law suite, or rental unit, our experienced team guides you through every step—from planning and permitting to expert building and finishing.
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Triangle Bar Group is a Portland, Oregon design-build contractor specializing in custom homes, additions, remodels, and ADUs. They manage design, permitting, and construction under one roof, serving Portland and Vancouver, WA homeowners.
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ADU-PDX is a Portland-based ADU builder with 30+ years of experience. They specialize in garage conversions, detached ADUs, granny flats & in-law suites, handling permits and zoning for hassle-free builds across the Portland metro area.
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Roost Homes LLC is a Portland-based contractor specializing in ADU design and build, home additions, and remodels. They offer energy-efficient detached ADUs, garage conversions, and full renovations tailored to client needs across the Portland metro area.
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SLS Custom Homes and Remodeling is a licensed general contractor in Tigard, Oregon, serving Portland metro since 1983. Services include custom home building, kitchen and bathroom remodeling, room additions, and ADU construction.
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MyADU is a licensed ADU contractor in Vancouver, WA, specializing in custom accessory dwelling units across the Pacific Northwest. Founded in 2019, they offer design, permitting, and turnkey builds, completing most projects in 6–9 months.
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Shelter Solutions is Portland's trusted ADU contractor since 1997, with 250+ completed projects. Specializing in detached ADUs, backyard cottages & in-law suites, they offer full design-build services, permit handling & expert guidance throughout Oregon.
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Mighty ADU Company is a trusted ADU contractor in Portland, OR, specializing in designing and building accessory dwelling units. They manage everything from planning and permitting to construction, ensuring quality, transparency, and stress-free results for homeowners.
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Arciform is a Portland-based ADU design/build firm specializing in accessory dwelling units, including garage conversions, detached ADUs & in-law suites. They handle permits, historic properties & full construction.
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Born and Raised Construction builds ADUs in Portland, including detached units, garage conversions, backyard cottages & in-law suites. Benefits include rental income, aging in place & increased property value.
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Build Forward is an ADU contractor helping homeowners add accessory dwelling units to boost property value, generate rental income, and create flexible living spaces like granny flats, in-law suites, or detached ADUs.
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Jenson General Contracting builds ADUs in Newberg, Oregon, including detached units, garage conversions & in-law suites. Key rules cover size limits, height, setbacks & lot coverage. All Oregon ADUs need a bathroom, kitchen & separate entrance.
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TaylorSmith Sustainable Construction is a Portland, Oregon contractor specializing in sustainable new homes, renovations, energy retrofits, and ADU construction. All new builds target DOE Net Zero Energy Ready certification.
read moreLake Oswego, Oregon, is known for its high property values, scenic lakefront neighborhoods, and strict community standards. Building an Accessory Dwelling Unit (ADU) in Lake Oswego requires working with experienced ADU contractors who understand the city's unique zoning codes, design expectations, and approval processes. With median home values well above the state average, homeowners in Lake Oswego often invest significantly in ADU construction to maximize their property's potential — whether for rental income, multigenerational living, or increased resale value.
Lake Oswego follows Oregon's statewide ADU legislation, which has progressively expanded ADU rights for homeowners. However, the city also enforces its own Community Development Code (CDC), which ADU contractors must carefully navigate. Key regulations include:
Working with an ADU contractor experienced in Lake Oswego is essential for a smooth permitting and construction process. Local contractors are familiar with the city's planning department, inspection requirements, and the specific expectations of Lake Oswego's design review boards. They can help homeowners avoid costly delays and ensure that all plans meet both state and local building codes from the start.
Given the variety of property types in Lake Oswego — from lakefront estates to hillside homes — ADU contractors in the area work on a range of project types, including:
If you're considering adding an ADU to your Lake Oswego property, partnering with a qualified and locally experienced ADU contractor is the most important first step. From initial design and permitting through final construction, the right contractor will help you navigate Lake Oswego's regulations efficiently while delivering a high-quality living space that reflects the community's elevated standards.