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 6887288-CN

9515 3RD AVE NW

Construct substantial alteration and addition for attached accessory dwelling unit (AADU) to existing one-family dwelling for two-family dwelling per plan (Construct addition and alterations to existing SFR with DADU and construct one family dwelling per plan. Review and process for two CN records under 6887288)

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
2023-02-10
Issued
2024-06-04
Expires
2025-12-04
Completed
2025-03-13
Time to issue
480 days

Value and contractor

Declared value
Log in with your free account
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
83
Permit class (Seattle detail)
Single Family/Duplex

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

Other permits issued in Seattle, June 2024