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.

• E-code Zoning Bylaw - E-code, updated through Annual Town Meeting 2022 (2023 changes are forthcoming)
• 2023 Zoning Bylaw (PDF) - amended through Annual Town Meeting 2023
• 2023 Zoning Map (PDF) - amended through Annual Town Meeting 2023

Development Regulations

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

• Chapter 175, The Planning Board Subdivision Regulations 
• Chapter 176, The Planning Board Zoning Regulations - (2023 updates not yet in e-code, see below)
  • Amended Section 7.0 Unaccepted Streets Standards, Adopted June 7, 2023
  • Amended Sections 3.0 General Regulations, 4.0 Fee Schedule, 5.0 Submission Materials, 6.0 Special Permits, Adopted September 27, 2023
  • Amended Section 9.0 Site Plan Review, Adopted September 27, 2023
  • Amended Section 10.2 Hartwell Avenue Area (TMO-1) District Regulations, Adopted September 13, 2023
  • Amended Section 12.0 Site Plan Review Design Regulations, Adopted September 27, 2023
  • Attachment to Section 12 Lexington Preferred Planting List 
  • Amended Section 13.0 Open Space Residential Developments & Special Residential Developments, Adopted August 9, 2023
  • Section 14.0 Inclusionary Dwelling Units, Adopted September 27, 2023

Moderate Income Units Guidelines

Town of Lexington Moderate income guidelines voted January 5, 2022

• Town of Lexington Moderate Income Units Guidelines (PDF)

Planning Forms

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

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:

• Registry of Deeds: Deed Indexing Standards for the Commonwealth of Massachusetts

Disclaimer

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.