Seattle · permit 6995689-CN

428 NW 120TH ST

Construct addition to convert one-family dwelling to two-family dwelling (attached accessory dwelling unit (AADU) to existing single-family residence per land use code) 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
98177

Dates

Applied
2023-11-22
Issued
2024-01-08
Expires
2027-01-08
Completed
2025-07-01
Time to issue
47 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
13
Permit class (Seattle detail)
Single Family/Duplex

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

Other permits issued in Seattle, January 2024