ADU Builder Index

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Adams Construction Services Inc.

1completed ADU permits
2total ADU permits
2020–2020active years on record
$70,000median 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
6756947-CN2020-01-17Completed$5002509 20TH AVE EConstruct alterations to establish an attached accessory dwelling unit (ADU) in basement of existing single family residence and complete and final inspect work done under permit 6600493-CN per plan.
6767415-CNCanceled$70,0001231 17TH AVE EConstruct alterations for an attached accessory dwelling unit and complete and final for accessory structure per plans

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