Massachusetts building permits, one API call away.

Amalgament indexes 381,841 building permits for Massachusetts from 37 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 Massachusetts with a single parameter.

Coverage in Massachusetts

381,841 building permits from 37 public sources.

Most recent record dated 2026-08-12. The /freshness endpoint reports every source's last pull.

Sources

• Cambridge, Massachusetts

One call, scoped to MA

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

Common questions

How many building permits does Amalgament have for Massachusetts?

381,841 building permits from 37 public sources in Massachusetts, normalized into one schema and queryable in a single API call or MCP tool call.

Can I filter Amalgament to just Massachusetts?

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

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