Zoning Bylaw & Zoning Regulations

Current Zoning Bylaw & Map

Zoning is the principal way the Town regulates the use of land within its borders. The Bylaw consists of two parts, the text and the map; both are available below.

Development Regulations

Lexington's Development Regulations provide procedures and standards for developing and/or dividing parcels of land into smaller parcels for development.

Moderate Income Units Guidelines

Town of Lexington Moderate income guidelines voted January 5, 2022

Planning Forms

For application material and appropriate forms please visit our forms page.

Sustainability Guidelines

Reference Material

Both of the Board's Regulations reference material used by the Registry of Deeds and Land Court when preparing plans and documents for recording and/or registration. These documents can be found by following the links:


The Web version of the Town of Lexington, Massachusetts Zoning Bylaw, Zoning Map, and Planning Board Regulations are provided for reference and convenience. The print version of these documents, with any amendments, remain the official versions. If any discrepancies exist between the print and web versions of the Zoning Bylaw, the Zoning Map or the Development Regulations, the print version, together with any amendments, shall be considered correct.