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Oregon

Lake Oswego, Oregon Building Permit Search

Access 87,913 building permits issued in Lake Oswego, Oregon through a single REST API, normalized into a consistent schema. Data through October 21, 2026.

87,913
Total permits
3,515
Last 12 months
296
Last 30 days
-6%
vs same period prior year
Oct 21, 2026
Latest permit

Permits by category (last 12 months)

Most common permit types issued in the last year.

Electrical
1,157
Mechanical
933
Plumbing
730
Fire alarm
92
New construction
60
Demolition
45

Permit data by trade in Lake Oswego

Drill into the most common permit categories in Lake Oswego.

Permits by ZIP code in Lake Oswego

Permit activity for individual ZIP codes in Lake Oswego, newest first by volume.

Property history for Lake Oswego

Every permit we hold for one Lake Oswego 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.

Most recent permits

The 10 most recent permits issued in Lake Oswego, Oregon. Full dataset available via REST API.

IssuedPermit #AddressCategoryDescription
No recent permits.

Access Lake Oswego permit data via API

Query Lake Oswego, Oregon permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.

# Search Lake Oswego permits issued in the last 30 days
curl -H "X-API-Key: YOUR_KEY" \
  "https://api.permit-stack.com/v1/permits/search?city=Lake%20Oswego&state=OR&issued_after=2026-09-23"

Sources for Lake Oswego

The official record sets behind this page, with the date each one's data runs through.

Record setSourcePermitsData throughNote
PermitsAccela Citizen Access portal87,9132026-10-21

Other cities we cover

Related coverage in Oregon and nationwide.

FAQ

Where does PermitStack get Lake Oswego permit data?

We ingest Lake Oswego's official permit records directly from the jurisdiction's own permit portal and normalize them into a consistent JSON schema across our U.S. jurisdictions.

How current is the Lake Oswego data?

The newest permit we hold for Lake Oswego, Oregon is dated October 21, 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.

Can I access Lake Oswego permits without an API key?

Yes — search Lake Oswego permits free in the browser, no signup needed. The API needs a free key (100 requests per day, no credit card).

Can I export Lake Oswego permit data?

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.

Get Lake Oswego permit data in your app today

Free tier covers 100 requests per day. No credit card required.

Get Free API Key