Building permit is needed for work involving structural elements of a building. Permits are not required for certain construction work. Historic or conservation districts have special requirements for work on the exterior of properties.
Querying over HTTP
Splitgraph serves as an HTTP API that lets you run SQL queries directly on
this data to power Web applications. For example:
curl https://data.splitgraph.com/sql/query/ddn \
-H "Content-Type: application/json" \
See the Splitgraph documentation
for more information.