ADU Contractors near Clackamas, OR
DeMarco Builders
3341 North Willamette Boulevard, Portland, OR 97217
15.9 miles
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
Wolf Industries
607 Southeast Eaton Boulevard, Battle Ground, WA 98604
28.4 miles
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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Environs
3240 SW Sherwood Pl, Portland, OR 97201
11.3 miles
Environs is a woman-owned design-build firm in Portland, Oregon, specializing in ADUs, home additions, remodels, and new construction. Licensed Oregon contractor (CCB 188377) with availability for projects breaking ground summer 2026.
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Jenson General Contracting
Newberg, OR 97132
19.2 miles
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 ... read more
Aforma Design Studio
3617 NE 16th Ave, Portland, OR 97212
13.7 miles
Aforma Design Studio offers white-label architectural design, rendering, and preconstruction services for builders, developers, and homeowners across the US, including ADUs, renovations, and new construction, delivered under your brand.
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Jason Allen Contracting, LLC
4804 Northeast 52nd Avenue, Portland, OR 97218
14 miles
Jason Allen Contracting, LLC is a Portland-based contractor specializing in ADU construction, home additions, basement remodeling, kitchen and bathroom renovations, garage conversions, and master plan design services for homeowners.
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ReCraft Home Remodeling
1623 Southeast 6th Avenue, Portland, OR 97214
10.9 miles
ReCraft Home Remodeling is a Portland-based contractor specializing in whole house remodels, kitchen, bathroom, basement renovations, and ADU construction, known for clear communication, careful planning, and on-time, on-budget delivery.
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JAM Concept Remodeling
918 Northeast Killingsworth Street, Portland, OR 97211
14.5 miles
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
Home Remodel Portland
8505-8835 SW Tualatin-Sherwood Road, Tualatin, OR 97062
9 miles
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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Emmert International
11811 Southeast Highway 212, Clackamas, OR 97015
4.8 miles
With over 50 years in residential & commercial construction, house lifting, and house moving - you can rest assured that your project will be handled with insight and care. At Emmert International, we’re here to make your ADU project a succe... read more
VDC Builders Inc
14308 NE Powers St, Vancouver, WA 98682
20.4 miles
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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SLS Custom Homes and Remodeling
15575 Southwest 74th Avenue, Tigard, OR 97224
11.1 miles
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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Exceptional Home Builders Salem
1525 11th Avenue, Salem, OR 98122
36.1 miles
Exceptional Home Builders Salem is a licensed ADU contractor with 20+ years of experience. They build backyard cottages, garage conversions & basement apartments in Salem, handling design, permitting & construction.
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Brothers Lane Builders
Salem, OR
36.1 miles
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 pla... read more
RTA Stone
11115 Northeast 61st Court, Vancouver, WA 98686
23.9 miles
RTA Stone is a licensed remodeling contractor in Vancouver, WA, serving Washington & Oregon. Services include kitchen remodels, bathroom renovations, ADUs, additions & exteriors. Fixed-price quotes, 10-year warranty & dedicated project... read more
Other cities in Oregon
What you need to know
ADU Contractors in Clackamas, Oregon: Building in Unincorporated Clackamas County
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.
Clackamas County ADU Regulations Your Contractor Must Know
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:
- ADUs must comply with maximum size limitations, typically capped at 800 square feet or 75% of the primary dwelling's square footage, whichever is less
- Both attached and detached ADUs are permitted, as well as garage conversions
- Setback requirements vary by zone and must be carefully reviewed before design begins
- Owner-occupancy requirements may apply depending on the specific zoning district
- Separate utility connections and addressing may be required by the county
The ADU Permitting Process in Clackamas County
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.
Why Hire a Local ADU Contractor in Clackamas, Oregon?
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.
What to Look for in Clackamas ADU Contractors
- Valid Oregon Construction Contractors Board (CCB) license
- Proven experience with Clackamas County permitting and zoning
- Portfolio of completed ADU projects in the greater Clackamas area
- Strong references from local homeowners
- Transparent, detailed project estimates and timelines
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.