PermitStack indexes 984,124 building permits issued in Seattle, Washington, with 52,980 issued in the last 12 months alone. Search by address, contractor, category, and date via our free REST API.
Most common permit types issued in the last year.
Drill into the most common permit categories in Seattle.
The most active contractors by permit volume in Seattle, with a profile of each one's permit history. Counts are permits we hold for Seattle.
Permit activity for individual ZIP codes in Seattle, newest first by volume.
Every permit we hold for one Seattle address (roof, HVAC, solar, additions, with dates and contractors) in a single call to /v1/property/history. Used by lenders for collateral review, insurers for roof and system age, and real estate teams for due diligence.
The 10 most recent permits issued in Seattle, Washington. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-10-03 | 7165740-EL | 4508 NE 106TH ST | EV charger | I'm adding a Level 2, 240v / 48 amp EVSE on a new 60amp breaker. |
| 2026-10-03 | 7165730-EL | 4600 37TH AVE SW | Electrical | 200Amp feeder from existing disconnect using existing conduit to new Verizon panel... |
| 2026-10-03 | 7165731-EL | 6759 41ST AVE SW | Electrical | PARCAL RE-WIRE. GET RID OF KNOB AND TUBE IN LIVINGROOM, MAIN FLOOR BEDROOM AND ALL... |
| 2026-10-03 | 7165733-EL | 551 BOREN AVE N | Electrical | Emergency circuit breaker investigation. Site contact: Ken Little klittle@cochrani... |
| 2026-10-03 | 7165734-EL | 3540 S KENYON ST | EV charger | Reaplacement of eight circuits knob and tube add EV charger Move Mast |
| 2026-10-02 | 7165726-EL | 3512 30TH AVE W | HVAC | 20-30 AMP Dedicated Electrical Circuit to Outdoor Heat Pump |
| 2026-10-02 | 7165728-EL | 809 5TH AVE | Electrical | Adding (1) 20a outlet and low volt wire to each room (1552, 1524, 1552) |
| 2026-10-02 | 7123458-CN | 9416 RAINIER AVE S | Interior remodel | Change of use from community center/limited use shelter to physical therapy office... |
| 2026-10-02 | 7165729-EL | 421 NW 125TH ST | Electrical | Remodeling 2nd fl Bathroom, new lighting new switching, new fan and undercabinet l... |
| 2026-10-02 | 7008820-CN | 1409 NE 80TH ST | Addition | Install storage container for seating area addition to existing eating/drinking es... |
Query Seattle, Washington permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search Seattle permits issued in the last 30 days curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?jurisdiction=Seattle&state=WA&issued_after=2026-09-06"
The official record sets behind this page, with the date each one's data runs through.
| Record set | Source | Permits | Data through | Note |
|---|---|---|---|---|
| Electrical | open data (Socrata) | 502,746 | 2026-10-03 | |
| Trade | open data (Socrata) | 288,107 | 2026-10-02 | |
| Building permits | open data (Socrata) | 193,291 | 2026-10-02 | |
| Plan Review | open data (Socrata) | 20,183 | 2025-10-07 | The source is not currently publishing new records. |
| Land Use | open data (Socrata) | 24,641 | 2026-10-02 | Listed for completeness; not counted as building permits. |
Related coverage in Washington and nationwide.
We ingest Seattle's official permit records directly from 4 official record sets, each listed under Sources on this page and normalize them into a consistent JSON schema across our U.S. jurisdictions.
The newest permit we hold for Seattle, Washington is dated October 3, 2026. We re-read this source on a nightly schedule and publish the date the data runs through rather than the date we last polled. Some cities publish permits days after they are filed.
Yes — search Seattle permits free in the browser, no signup needed. The API needs a free key (100 requests per day, no credit card).
Yes. CSV export is available on every plan, including free, with the row cap rising by tier. Webhooks (Developer plan and up) push new permits after each nightly ingest.
Most Seattle permits are issued on the same day they are filed, reflecting electronic submission and same-day processing for routine permit types. Larger or more complex projects (new construction, major additions) often take longer.
Free tier covers 100 requests per day. No credit card required.
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