Maryland building permits, one API call away.

Amalgament indexes 161,820 building permits for Maryland from 29 public sources, normalized into one schema and joined to the businesses and parcels behind them. Query them through one REST API and one MCP server, or scope any call to Maryland with a single parameter.

Coverage in Maryland

161,820 building permits from 29 public sources.

Most recent record dated 2026-08-10. The /freshness endpoint reports every source's last pull.

Sources

• Montgomery County, MD
• Montgomery County, Maryland

One call, scoped to MD

curl -H "X-API-Key: $OPENFOLIO_KEY" \
  "https://api.amalgament.com/search?q=roofing&dataset_type=building_permit&jurisdiction=MD"

Common questions

How many building permits does Amalgament have for Maryland?

161,820 building permits from 29 public sources in Maryland, normalized into one schema and queryable in a single API call or MCP tool call.

Can I filter Amalgament to just Maryland?

Yes. Pass jurisdiction=MD to the /search endpoint, or ask your MCP-connected agent for Maryland, and results are scoped to Maryland building permits.

All Building Permits · New York · Texas · New Jersey · California · Illinois · Washington · Ohio · Missouri