ADU permits in Seattle

106 adu permits filed in Seattle in the last 90 days — tracked from official city records, checked every 10 minutes. Built for ADU builders and property managers.

PERMITS · LAST 90 DAYS
106
MEDIAN PROJECT VALUE
$252,710
DATA SOURCE
Official Seattle permit records

Most active adu contractors in Seattle

By permit volume over the last 90 days — contractors of record on city filings.

ContractorPermits
Alexander Hiebert2

Recent adu filings

9604 MARY AVE NW$477,039

Construct SE one-family dwelling BLDG4 per plan. (Establish use as single-family residence with or without attached accessory dwelling units per land use code. Construct (3) one-…

9602 MARY AVE NW$477,039

Construct SW one-family dwelling BLDG3 per plan. (Establish use as single-family residence with or without attached accessory dwelling units per land use code. Construct (3) one-…

9608 MARY AVE NW$473,219

Construct NW one-family dwelling BLDG1 per plan. (Establish use as single-family residence with or without attached accessory dwelling units per land use code. Construct (3) one-…

9606 MARY AVE NW$460,570

Construct NE two-family dwelling BLDG2 per plan. (Establish use as single-family residence with or without attached accessory dwelling units per land use code. Construct (3) one-…

9601 B 12TH AVE NW$230,765

Construct new one family dwelling (South Unit B) per standard plan 7110580-SP. (Allow new detached accessory dwelling units to existing single family use per land use code. Constr…

9601 C 12TH AVE NW$230,765

Construct new one family dwelling (North Unit A) per standard plan 7110580-SP. (Allow new detached accessory dwelling units to existing single family use per land use code. Constr…

11538 16TH AVE NE$1

Construct alterations to existing (1) family dwelling (Allow (1) single-family residence & (2) detached accessory dwelling units (DADU) to existing single-family residence per lan…

11222 C 1ST AVE NW$100,000

Allow 2nd detached accessory dwelling unit [DADU] to existing single-family use per land use code. Construct northeast one-family dwelling per plan. Existing (2) one-family dwelli…

3049 22ND AVE W$705,560

Construct east one family dwelling per plan. [Establish use as single family residence with detached attached accessory dwelling unit (DADU) per land use code. Construct new one …

9410 A 1ST AVE NE$318,771

Construct new two-family dwelling (Building 3) per plan. (Establish single family dwelling unit with attached accessory dwelling unit.] Construct (2) two-family dwellings and (1) …

Adjacent trades that win work from these permits

Property management companies → An ADU permit is a rental unit that will need managing.

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