Baltimore County building permits

Building permits for Baltimore County, Maryland. Building and trade permits with their type, status, declared value, fees and contractors, linked to the parcel.
Building permits
221,318
Last updated
Oct 29, 2026

What each record includes

  • Permit number, type, status and description of the work
  • The parcels and addresses the permit concerns
  • Application, issue, expiration and completion dates
  • Contractors, owners and applicants, with license numbers
  • Declared value and fees by category
Every field

Get Baltimore County building permits through the API

Search by address, area, type, status, contractor or date.

Get an API keyRead the API docs
Terminal
curl -G 'https://api.placestack.com/v1/permit' \
  -H "Authorization: Bearer $PLACESTACK_API_KEY" \
  --data-urlencode 'fips=24005'

Frequently asked questions

How many building permits does Placestack have for Baltimore County?
221,318 building permits for Baltimore County, Maryland, last updated Oct 29, 2026.
How do I get Baltimore County building permits?
Through Explorer, the API or the MCP server.

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