Preview 555,290 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 2026-09-21.

Seattle · permit 6935535-CN

420 BOYLSTON AVE E

Construct alterations to existing multifamily structure (Boylston Apartments) to create multifunctional / dual occupancy spaces at the first floor level and security alterations on all floor levels occupy per plan.

Permit

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

Location

State
WA

Dates

Applied
2023-01-26
Issued
2023-03-09
Expires
2024-09-09
Completed
2024-03-29
Time to issue
42 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

Review cycles
2
Days out for corrections
12
Permit class (Seattle detail)
Multifamily

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

Other permits issued in Seattle, March 2023