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.read more
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.<... read more
Triangle Bar Group understands that embarking on an ADU project can feel overwhelming, especially with so many options, decisions, and different Portland ADU builders to choose from. That’s where they come in.
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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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Pioneer ADU is a Salem, Oregon-based family-owned ADU contractor with 25+ years of experience and 110+ completed projects. They build detached, attached, and conversion ADUs, managing design, permitting, and construction with transparent pricing.<... read more
Harka offers ADU design, consulting, and permitting services with 18+ years of experience. Services include feasibility reports from $785, zoning review, schematic design, construction documents, and energy modeling to reduce costs and carbon foot... read more
Straight Line Design and Remodeling LLC offers ADU design and build services in Portland, Oregon. Serving Beaverton, Tigard, Lake Oswego & Hillsboro since 2010, they build backyard cottages for rental income, multigenerational living & add... read more
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 met... read more
VDC Builders Inc specializes in ADU design & construction, including backyard cottages, in-law suites & rental units. Services cover flooring, kitchen & bathroom remodels, custom home building & cabinet refinishing.
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If you’ve been looking for a modern, stylish ADU for your backyard, you’ve come to the right place. Relevant Buildings is an ADU builder in the Portland, Oregon area. They build ADUs throughout Oregon and Washington. Their goal is to make your... read more
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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Backyard Blueprint is a Portland, OR family-owned ADU contractor with 20+ years of experience. Services include detached ADUs, garage conversions, and remodels. They offer 15+ floor plans and custom designs, managing permits to completion in 4–6... read more
JRW Construction LLC offers full-service ADU construction, managing permits, inspections, and trade scheduling. They build detached ADUs, in-law suites, granny flats, garage conversions, and JADUs with quality finishes and energy-efficient systems... read more
As a premier ADU contractor in Portland, Sert Construction specializes in designing and building high-quality, functional ADUs. Whether you're considering an added space for rental income, additional family space, or a home office, their team of e... read more
Clackamas, 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.