Reference
Documentation
What the words mean, and how the data is shaped. Everything here describes the same database that serves every page and API response on this site.
Glossary
70 termsPlain-English definitions of the zoning vocabulary used across the site — du/acre, floor area ratio, setbacks, by-right permission — the same definitions the hover tooltips carry.
Open →Database schema
Seven tablesHow the database is organized: the pipeline from adopted ordinance to structured rows, every table documented column by column, with live row counts.
Open →See also: About & method — how the database is built and what it is not — and the coverage page, which states exactly which jurisdictions have been read.