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 6579736-CN

1511 6TH AVE

Construct alterations in existing commercial building to portions of an existing office (Synapse) on south side of 4th floor per plans

Permit

Permit type
Building
Class
Non-residential
Trade
General/Building
Nature of work
Alteration
Work
Addition/Alteration
Status
Completed

Location

City
SEATTLE
State
WA
ZIP
98101

Dates

Applied
2017-03-23
Issued
2017-04-27
Expires
2018-10-27
Completed
2017-12-20
Time to issue
35 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
Commercial Add/Alt
Review cycles
0
Days out for corrections
0
Permit class (Seattle detail)
Commercial

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

Other permits issued in Seattle, April 2017