Stratum

Zoning districts

Boston zoning districts

Plain-language summaries of the dimensional rules in each Boston neighborhood zoning district: floor area ratio, height, lot size, yards and parking. We only publish a district once every number on the page has been checked against the Boston Zoning Code. More districts are on the way.

Check your lot in Stratum

Stratum is not affiliated with the City of Boston or the Boston Planning Department. These summaries are for early design and are not a legal determination. Always confirm with the Boston Zoning Code and the city before relying on them.