Seattle · permit 6897242-CN

3103 21ST AVE S

Construct substantial alterations to existing single family residence and convert basement into attached accessory dwelling unit (AADU) per plan.

Permit

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

Location

City
SEATTLE
State
WA
ZIP
98144

Dates

Applied
2022-09-21
Issued
2023-04-24
Expires
2026-04-24
Completed
2025-08-29
Time to issue
215 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
2
Days out for corrections
173
Permit class (Seattle detail)
Single Family/Duplex

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

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