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Seattle · permit 7135695-CN

401 20TH AVE

Construct alterations to basement level of a single-family residence subject to field inspection (STFI)

Permit type
Building
Class
Residential
Work
Addition/Alteration
Status
Completed
Applied
2026-03-28
Issued
2026-03-31
Completed
2026-08-11
Declared value
Subscribers only

Data as of 2026-09-07. View the city's record