Preview 316,582 permits — every permit Chicago, Austin and Seattle issued in the last ten years. The full load is in progress, so this is how far it has got. Sourced from city open-data portals. Data as of 2026-09-20.

Seattle · permit 6852901-CN

9456 21ST AVE SW

Construct new single family residence with attached accessory dwelling unit (AADU) (existing single family residence to remain) per plan.

Permit

Permit type
Building
Class
Residential
Trade
General/Building
Nature of work
New
Work
New
Status
Expired

Location

City
SEATTLE
State
WA
ZIP
98106

Dates

Applied
2021-08-31
Issued
2021-10-21
Expires
2023-04-21
Time to issue
51 days

Value and contractor

Declared value
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Total fee
N/A. Total fee is a premium field which requires a paid plan. However, this permit has no fee on record.

Seattle details

Housing category
Middle Housing
Review cycles
3
Days out for corrections
6
Permit class (Seattle detail)
Single Family/Duplex

Data as of 2026-09-20. View the city's record

Other permits issued in Seattle, October 2021