12–16 wk permit
Seattle ADU
Seattle has the most permissive ADU code in Washington. Most single-family lots can host both a detached and a…
REGION_04 / COVERAGE
We build across
the Puget Sound.
Headquartered in Seattle. Locally licensed in Washington since 2012. We know the zoning code in every jurisdiction we work in — Seattle SDCI, Bellevue LUC, Kirkland Zoning, Tacoma TMC — because we file permits there every week.
- HQ
- Seattle, WA
- Range
- ~50 mi
- Cities
- 12+
MAP_01 / PUGET SOUND · SERVICE AREAN ↑ · ~50 MI RADIUS
City guide pageActive coverage~10 mi range ringHQ ● Seattle, WA
City pages
FEATURED10–14 wk permit
Bellevue ADU
Bellevue's ADU code requires a Special Use Permit for detached units, plus design review on through-lots. We'v…
10–14 wk permit
Kirkland ADU
Kirkland adopted modern ADU rules in 2020 and is one of the friendliest jurisdictions on the Eastside. Detache…
10–14 wk permit
Redmond ADU
Redmond's ADU code is straightforward but the city is strict on stormwater and tree retention. We coordinate c…
8–12 wk permit
Tacoma ADU
Tacoma fully legalized ADUs citywide in 2022. Permits move faster than King County jurisdictions and lot price…
12–16 wk permit
Sammamish ADU
Sammamish has the largest average lot sizes on the Eastside and a code that supports generous DADUs — but the …
10–14 wk permit
Issaquah ADU
Issaquah's ADU rules were modernized in 2021. Detached ADUs are permitted by right in most single-family zones…
10–14 wk permit
Renton ADU
Renton offers some of the strongest ADU economics in King County: lower land basis than Bellevue or Seattle, f…
12–16 wk permit
Mercer Island ADU
Mercer Island has the most exacting design and tree-protection standards in the region — but the rents and res…
8–12 wk permit
Shoreline ADU
Shoreline has quietly become one of the best ADU markets in the region: Seattle-adjacent rents, faster permits…
10–14 wk permit
Everett ADU
Everett's 2023 housing code overhaul fully legalized DADUs in every residential zone with no owner-occupancy. …
10–14 wk permit
Mukilteo ADU
Mukilteo combines waterfront premium rents with Snohomish County's sane permit cycles. Harbour Pointe and Old …
8–12 wk permit
Lynnwood ADU
Lynnwood is a sleeper ADU market: lower land basis than Edmonds, Eastside-adjacent rents, and the Lynnwood Cit…
10–14 wk permit
Edmonds ADU
Edmonds' downtown Bowl is one of the most coveted small-town markets in the region. Permits are slower than Ly…
8–12 wk permit
Mountlake Terrace ADU
Mountlake Terrace is small but punches above its weight: one of three Lynnwood Link light-rail station cities,…
10–14 wk permit
Mill Creek ADU
Mill Creek is HOA-heavy and design-conscious. ADU code is permissive but a majority of lots fall under master-…
10–14 wk permit
Bothell ADU
Bothell straddles King and Snohomish counties — we pull the right code book based on parcel jurisdiction at fe…
10–14 wk permit
Woodinville ADU
Woodinville is wine country — large lots, semi-rural feel, and a tenant pool that values privacy. ADU rules fa…
8–12 wk permit
Burien ADU
Burien sits just south of Seattle with rents that are catching up but a land basis that hasn't. The 2022 ADU u…
8–12 wk permit
SeaTac ADU
SeaTac is the airport-corridor cap-rate play: low land basis, deep long-term tenant demand from Port of Seattl…
8–12 wk permit
Tukwila ADU
Tukwila is the South King ADU sleeper: low land cost, fast permits and tenant demand from Westfield Southcente…
10–14 wk permit
Des Moines ADU
Des Moines combines waterfront premium rents with South King fee structure. Marina District and Saltwater lots…
10–14 wk permit
Federal Way ADU
Federal Way is large, suburban and ADU-friendly. The South Sound light-rail extension to Federal Way Transit C…
8–12 wk permit
Kent ADU
Kent has the largest single-family lot inventory of any South King city and one of the most permissive ADU cod…
8–12 wk permit
Auburn ADU
Auburn covers a wide range — valley-floor industrial-adjacent flats up to Lea Hill plateau. ADU code is permis…
10–14 wk permit
University Place ADU
University Place is the upscale Pierce County ADU market: Chambers Bay views, Curtis school catchment and tena…
8–12 wk permit
Lakewood ADU
Lakewood combines JBLM tenant demand with low Pierce County land cost. The 2022 ADU update modernized the code…
10–14 wk permit
DuPont ADU
DuPont is master-planned: Northwest Landing PUD covenants are as binding as city code. ADUs are permitted but …
10–14 wk permit
Puyallup ADU
Puyallup is the eastern-Pierce ADU market: lower fees than Tacoma, MultiCare Good Samaritan tenant base, and S…
8–12 wk permit
Lacey ADU
Lacey is the fastest-growing Thurston city. The Lacey MakerSpace, JBLM proximity and the recently-extended Mar…
8–12 wk permit
Tumwater ADU
Tumwater anchors the south end of the I-5 corridor. State agency and MultiCare Capital Medical Center workers …
8–12 wk permit
Olympia ADU
Olympia is the Thurston ADU market and the southernmost city we serve. State agency tenant demand, Evergreen C…
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Seattle Core
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Eastside
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North Sound
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South King
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