ADU Contractors near Olympia, WA
Hammer & Hand
2450 6th Avenue South, Seattle, WA 98134
45.8 miles
Hammer & Hand is a Portland & Seattle general contractor with 30+ years of experience in new homes, remodels, ADUs & commercial builds. Employee-owned, they offer expert craftsmanship, custom woodwork & trusted subcontractor networ... read more
Detray's Custom Housing
10209 149th Street East, Puyallup, WA 98374
28.9 miles
Sockeye Homes
14638 SE 229th Pl, Kent, WA 98042
42.8 miles
Sockeye Homes designs & builds custom ADUs and DADUs, offering full-service support from permits to construction. Fixed-cost packages range from $218K–$335K+, suiting retirees, families & rental income seekers.
read more
Love Construction
17025 33rd Avenue South, SeaTac, WA 98188
40 miles
Love Construction builds ADU & DADU units in Seattle & Puget Sound to Passive House standards. Attached ADUs cost $85K–$280K; DADUs $175K–$550K. Includes permitting, energy modeling & a 5-year warranty.
read more
Bicknell Builds
19616 Southeast 310th Place, Kent, WA 98042
43.1 miles
Bicknell Builds offers ADU construction in the greater Seattle area, including detached ADUs, backyard cottages, granny flats, and in-law suites. Ideal for rental income, family housing, or added property value.
read more
Avio Homes
10908 62nd Street East, Puyallup, WA 98372
30.7 miles
Avio Homes is a Seattle-based ADU contractor specializing in detached ADUs, backyard cottages, and in-law suites. Serving Seattle, Tacoma, and Olympia, they handle design, permitting, and construction with local zoning expertise.
read more
Deane Home Services
17837 1st Avenue South, Normandy Park, WA 98148
38.2 miles
Deane Home Services builds ADUs in South King County, WA, including garage conversions, basement remodels, and detached backyard cottages. Licensed, bonded & insured. Serving Kent, Renton, Federal Way & more.
read more
Doyle Construction
300 Deschutes Way Southwest, Tumwater, WA 98501
1.5 miles
Puget Sound ADU Builders
4712 South Morgan Street, Seattle, WA 98118
45.4 miles
Puget Sound ADU Builders is a leader in ADU construction in western Washington state, excelling in design, construction, finishing, and permitting ADUs, DADUs, backyard cabins, garage conversions, duplexes, town homes, and multi-unit projects.
read more
Mallard Brothers Construction
120 State Avenue Northeast, Olympia, WA 98501
0.4 miles
Mallard Brothers Construction builds ADUs & Tiny Homes in Olympia, WA. They offer attached, detached, garage conversions & ADA-accessible units, managing design, permits & construction for property owners seeking rental income or extra... read more
Northwest Builders & Renovation
1135 Lake Washington Boulevard North, Renton, WA 98057
45.5 miles
Anderbar Construction
12391 Glenwood Road Southwest, Port Orchard, WA 98367
28.9 miles
We specialize in building high-quality, custom Accessory Dwelling Units (ADUs) that provide both functionality and style for homeowners in Port Orchard, WA, and the surrounding areas. Whether you’re looking to add a rental property, create a coz... read more
Giant Builders Seattle
125 Boren Avenue South, Seattle, WA 98144
47.2 miles
Giant Builders Seattle is a Kent, WA general contractor with 20+ years of experience offering ADU construction, garage conversions, kitchen & bathroom remodeling, room additions, roofing, deck building, and more.
read more
Gravity Builders LLC
17422 108th Avenue Southeast, Renton, WA 98055
43.1 miles
Gravity Builders LLC is a licensed ADU contractor and custom home builder in Renton, WA. Specializing in ADU/DADU construction, custom homes, outdoor living spaces, and concrete work, they deliver quality craftsmanship with transparency and integr... read more
Seattle ADU
509 Olive Way, Seattle, WA 98101
47.4 miles
Seattle ADU is a Seattle-based contractor specializing in accessory dwelling units, including detached ADUs, garage conversions, attached ADUs, and JADUs. They manage design, permitting, and construction for homeowners seeking additional living sp... read more
Other cities in Washington
What you need to know
ADU Contractors in Olympia, WA: Building in Washington's Capital City
Olympia, the capital city of Washington State, offers a unique environment for accessory dwelling unit (ADU) construction. Known for its progressive housing policies and commitment to sustainable growth, Olympia has embraced ADUs as a key solution to its ongoing housing affordability challenges. The city's proximity to state government offices, Evergreen State College, and a thriving arts community creates consistent demand for flexible housing options. Experienced ADU contractors in Olympia, WA understand how to navigate the city's specific zoning codes and permitting processes to deliver high-quality results for homeowners.
Olympia ADU Regulations and Zoning Requirements
Before breaking ground, it's essential to understand the local rules governing ADU construction in Olympia. The City of Olympia allows ADUs in most residential zones, including R-1, R-2, R-4, and R-6 districts. Key regulations that Olympia ADU contractors must follow include:
- Detached ADUs may not exceed 1,000 square feet or the size of the primary dwelling, whichever is smaller
- Attached ADUs are generally limited to 50% of the primary dwelling's square footage
- ADUs must meet Olympia's stormwater and low-impact development standards, which are particularly important given the region's heavy rainfall
- Setback requirements typically require a minimum of 5 feet from rear and side property lines
- Owner-occupancy requirements may apply depending on the specific zone and ADU type
The Permitting Process for ADUs in Olympia
Working with a knowledgeable ADU contractor in Olympia, Washington is critical when navigating the city's permitting process. Permits are issued through the City of Olympia's Community Planning and Development department. The process typically involves design review, building permit applications, and inspections. Olympia has made efforts to streamline ADU permitting in recent years, but the process can still take several weeks to months depending on project complexity. Contractors familiar with local requirements can help avoid costly delays by submitting complete and accurate documentation from the start.
Why Hire a Local ADU Contractor in Olympia?
Hiring a local ADU contractor in Olympia, WA brings significant advantages. Local professionals are familiar with the Pacific Northwest's climate considerations, including moisture management, proper insulation for wet winters, and energy-efficient building practices aligned with Washington State's energy code. They also have established relationships with local subcontractors, suppliers, and city inspectors, which can help keep your project on schedule and within budget.
Types of ADUs Built in Olympia
- Detached ADUs (DADUs): Standalone backyard cottages or garage conversions
- Attached ADUs: Units connected to the primary home, such as in-law suites
- Junior ADUs (JADUs): Smaller units created within the existing footprint of the home
Whether you're looking to generate rental income, house a family member, or increase your property value, partnering with a qualified ADU contractor in Olympia, Washington is the first step toward a successful project.