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.
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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 thr... read more
At Catalyst, our Portland ADU Builders are experts in building homes, small homes, Casitas and Accessory Dwelling Units. Trust Catalyst Construction and Remodel to bring experience and high performance to build out your new attached or unattached ... read more
Cronen Building Co. specializes in accessory dwelling units (ADUs), including granny flats, garage conversions, and backyard cottages. They guide homeowners through design and construction, delivering quality ADUs for rental income, in-law suites,... read more
Wolf Industries builds factory-constructed, code-compliant tiny homes delivered directly to your property. Ideal as a backyard cottage, granny flat, ADU, or in-law suite, their build-deliver-setup model simplifies small-space living.
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Tweto Architecture specializes in ADU design, including detached ADUs, garage conversions & basement units. Serving Portland, Vancouver & Bend, they help homeowners add rental units, in-law suites & backyard cottages while navigating l... read more
Clarkbuilt is a Portland, Oregon residential contractor specializing in custom homes, remodels, additions, and ADU construction. Founded in 2006, they offer expert accessory dwelling unit building, custom cabinetry, and serve clients across Oregon... read more
JDI Construction is a Portland-based ADU contractor offering full design-build services for detached, attached, garage conversion, basement, above-garage, and interior ADUs, including permits and eco-friendly practices.
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Cronen Building Co. is an expert ADU builder specializing in granny flats, garage conversions, backyard cottages, and detached ADUs. They deliver custom accessory dwelling units that boost property value and functionality.
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Pacific Homes Direct in Woodland, WA offers customizable ADUs starting at $49,999. Serving Western Washington and Oregon, they provide granny flats, in-law suites, and backyard cottages with full-service support and factory warranty included.
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Hammer & Hand builds Accessory Dwelling Units (ADUs) in Portland & Seattle. From garage conversions to detached cottages, they guide homeowners through zoning, permits, design, and costs for rental income or multigenerational living.
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Keyser Construction Inc is a Portland, OR ADU contractor since 1996. They build detached cottages, garage conversions, basement & attic ADUs. Licensed, bonded & insured, offering free estimates and permit handling across the Portland metro... read more
Reborn Construction LLC offers garage conversion and ADU services in Portland, OR. They handle permits, structural upgrades, and finish work for guest suites, rental units, and home offices across Portland, West Linn, Beaverton, and Gresham.
read moreClackamas, Oregon is a unique unincorporated community located in Clackamas County, situated southeast of Portland along the Willamette River. Because Clackamas is unincorporated, ADU projects here fall under Clackamas County jurisdiction rather than a city government, which means working with experienced local ADU contractors who understand county-specific zoning codes and permitting processes is absolutely essential. This distinction makes hiring knowledgeable ADU contractors in Clackamas, Oregon a critical first step for any homeowner looking to add an accessory dwelling unit to their property.
ADU contractors operating in Clackamas must navigate the Clackamas County Zoning and Development Ordinance (ZDO). The county permits ADUs in most residential zones, including R-2.5, R-5, R-7, R-10, and R-15 zones. Key regulations that your ADU contractor must be familiar with include:
Skilled ADU contractors in Clackamas will guide homeowners through the Clackamas County Development Services permitting process. This includes submitting detailed site plans, architectural drawings, and ensuring compliance with Oregon's statewide building codes. Oregon's House Bill 2001 has also expanded ADU allowances statewide, and a qualified contractor will know how these state-level changes interact with local county rules. Permit timelines in Clackamas County can vary, so working with a contractor experienced in local processes helps avoid costly delays.
Choosing a locally experienced ADU contractor in Clackamas offers significant advantages. Local contractors understand the area's soil conditions, proximity to flood zones near the Willamette River, and the specific infrastructure considerations of unincorporated Clackamas. They also maintain established relationships with Clackamas County inspectors and planning staff, which can streamline your project considerably.
Whether you're planning a detached backyard cottage, a garage conversion, or an attached ADU, partnering with the right ADU contractor in Clackamas, Oregon ensures your project meets all county requirements while maximizing your property's value and livability.