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 6948355-CN

8351 17TH AVE NW

Establish use as detached accessory dwelling unit per land use code. Construct new one-family dwelling per Standard Plan 6880596-SP

Permit

Permit type
Building
Class
Residential
Trade
General/Building
Nature of work
Alteration
Work
Addition/Alteration
Status
Completed

Location

City
SEATTLE
State
WA
ZIP
98117

Dates

Applied
2023-02-21
Issued
2023-04-24
Expires
2024-10-24
Completed
2023-09-22
Time to issue
62 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
Pre-Approved DADU Plans
Review cycles
2
Days out for corrections
25
Permit class (Seattle detail)
Single Family/Duplex

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

Other permits issued in Seattle, April 2023