ADU Builder Index

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Side By Side Ventures Dba Rock Solid Construction

0completed ADU permits
2total ADU permits
2026–2026active years on record
$570,729median est. project cost

Washington state license

No exact business-name match in the WA L&I registry — this builder may hold a license under a different legal name. Check the registry directly.

Permit record

Every ADU-related permit in covered city records naming this contractor. Links go to each city's official permit portal.

PermitCityIssuedStatusEst. costAddressDescription
7039274-CN2026-01-19Issued$570,729836 NE 102ND STConstruct a two-family dwelling per plans. (Establish use as single-family residences one with an attached accessory dwelling unit per the land use code. Construct a one- and a two-family dwelling per plans. Reviews and processing for (2) -CN's under 7039274) (SFR unit 2 under separate permit).
7059587-CN2026-01-19Issued$420,930834 NE 102ND STConstruct a one-family dwelling per plans. (Establish use as single-family residences one with an attached accessory dwelling unit per the land use code. Construct a one- and a two-family dwelling per plans. Reviews and processing for (2) -CN's under 7039274) (SFR unit 2 under separate permit).

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