The Remodel Group is a Portland-based design-build firm specializing in ADU construction and whole house remodeling. Services include detached ADUs, garage conversions, and JADUs. Earth Advantage certified, they offer sustainable, budget-conscious builds.
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Neil Kelly Portland offers full ADU design and build services, including detached units, garage conversions, and basement conversions. They handle zoning, permits, and custom design for functional, energy-efficient accessory dwelling units.
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SQFT Studios, founded in 2015 by Architect Eli Green, is a Portland-based ADU builder specializing in detached ADUs, garage conversions, backyard cottages, and guest suites, with 10+ years of experience.
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Chumbley Construction is a full-service ADU contractor offering turn-key solutions including garage conversions, in-law suites, detached ADUs, and Airbnb-ready units. They handle permits, design, and construction. Free estimates available.
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Signature ADU is an experienced ADU builder offering full-service design and construction. Their team includes experts in architecture, general contracting, and project management, handling detached ADUs, garage conversions, granny flats, and in-law suites from start to finish.
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JCS Construction LLC builds custom ADUs in Oregon, including detached backyard cottages, granny flats, garage conversions, basement conversions, and pole building ADUs. They handle both standard and non-traditional structures with quality craftsmanship.
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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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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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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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Home Remodel Portland builds code-compliant ADUs including garage conversions, backyard cottages, and basement units. They handle permits, zoning, and inspections with local expertise, offering a clear process and three-year warranty.
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JAM Concept Remodeling is a Portland ADU contractor with 25+ years of experience in basement conversions, garage conversions, home additions, and residential remodeling, helping homeowners add functional living space and long-term property value.
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Integrity Timber Frame offers custom prefabricated timber frame home, cabin, and ADU kits in South Dakota. Using their TruFit™ System and SIPs panels, they deliver strong, energy-efficient, sustainable structures with faster assembly and potential cost savings.
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Cornerstone Builders Inc offers full-service ADU construction, including custom design, utility connections, and interior finishes. Specializing in detached ADUs, garage conversions, and JADUs, they use energy-efficient materials for functional, livable spaces.
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Das Chapin Design specializes in ADU design, garage & basement conversions, and general contracting. Offering permit support, construction consultation, and full build services via ADU Design & Build, LLC, they create efficient, livable spaces in Portland, Oregon.
read moreColton is a small, unincorporated rural community located in Clackamas County, Oregon. Unlike incorporated cities, Colton falls under the jurisdiction of Clackamas County's land use and zoning regulations, which significantly shapes how ADU (Accessory Dwelling Unit) contractors operate in this area. The rural character of Colton, surrounded by forests and farmland, means that ADU projects here often involve unique site considerations such as well water systems, septic systems, and larger lot sizes — all of which experienced local ADU contractors must be well-versed in handling.
Since Colton is an unincorporated community, ADU permits and approvals are governed by Clackamas County rather than a city planning department. Oregon state law, particularly House Bill 2001 and subsequent legislation, has expanded ADU allowances statewide, but county-specific rules still apply. In rural residential zones common to the Colton area, ADU contractors must navigate regulations including:
Skilled ADU contractors serving Colton, OR understand that rural builds come with distinct challenges compared to urban or suburban projects. These professionals are experienced in site preparation on sloped or wooded terrain, coordinating with Clackamas County's building department for permits, and working with subcontractors who specialize in rural utilities. Whether you are looking to build a detached ADU, an attached ADU, or convert an existing structure such as a barn or garage into a livable unit, local contractors can guide you through every step of the process.
Adding an ADU to a Colton property offers several practical advantages for rural homeowners:
When planning an ADU in Colton, it is essential to work with licensed and insured ADU contractors who have direct experience with Clackamas County's permitting process and rural construction requirements. Choosing a contractor familiar with the specific demands of unincorporated Oregon communities will save time, reduce costs, and ensure your project meets all local and state building codes from start to finish.