Lexington, MA · Addition permit

Lexington, MA addition permit checklist

13 required items. Read from the town's pages on 09/27/2026.

In the packet (6)

  1. Workers' compensation affidavit, signed BBRS Building Permit Application To Construct, Repair, Renovate Or Demolish a One- or Two-Family Dwelling (PDF, marked 'Revised Mar 2011')
  2. Construction drawings, drawn to scale and dimensioned 780 CMR 51.00 Massachusetts Residential Code (10th ed.), Chapter R1 Scope and Application (unofficial copy)
  3. Energy code compliance documentation 780 CMR 51.00 Massachusetts Residential Code (10th ed.), Chapter R1 Scope and Application (unofficial copy)
  4. Certified plot plan, stamped by a registered land surveyor Proposed Plot Plan Requirements (Building and Zoning)
  5. Lexington Gross Floor Area worksheet, signed Gross Floor Area Calculation form (Additions to Existing Homes)
  6. Tree protection or tree removal plan Tree Bylaw Rules & Regulations Quick Start Guide

Filed on OpenGov Permitting & Licensing (formerly ViewPoint Cloud) (2)

  1. Building permit application, completed, signed and dated Mass.gov: Building permit applications for non-state-owned buildings
  2. Debris disposal facility named M.G.L. c.40 s.54

Only when it applies (5)

  1. Owner authorization for the contractor to apply (when Is the work being done by a contractor (not the homeowner): yes) BBRS Building Permit Application To Construct, Repair, Renovate Or Demolish a One- or Two-Family Dwelling (PDF, marked 'Revised Mar 2011')
  2. Homeowner exemption affidavit (when Is the work being done by a contractor (not the homeowner): no) Homeowners' Exemption Eligibility Affidavit - Sample (DOCX)
  3. Construction Supervisor License number on the application, current (when Is the work being done by a contractor (not the homeowner): yes) 780 CMR 10th ed. Chapter 110.R5 Licensing of Construction Supervisors (unofficial copy)
  4. Home Improvement Contractor registration number (when Is the work being done by a contractor (not the homeowner): yes; Is it an existing, owner-occupied 1-4 unit home: yes) M.G.L. c.142A s.13 (Registration records; building permits)
  5. Flood zone and design flood elevation shown (when Is any part of the lot in a FEMA flood hazard zone: yes) 780 CMR 51.00 Massachusetts Residential Code (10th ed.), Chapter R1 Scope and Application (unofficial copy)

Check my packet against this list, $79