Cambridge, MA · Addition permit

Cambridge, MA addition permit checklist

16 required items. Read from the town's pages on 09/28/2026.

In the packet (4)

  1. Workers' compensation affidavit, signed Cambridge ISD Permit Application Checklist (building, roof, siding, demolition, solar, tent) v. 10/16/18
  2. Construction drawings, drawn to scale and dimensioned Cambridge ISD Permit Application Checklist (building, roof, siding, demolition, solar, tent) v. 10/16/18
  3. Energy code compliance documentation Cambridge ISD Permit Application Checklist (building, roof, siding, demolition, solar, tent) v. 10/16/18
  4. Pest control (rodent) report Cambridge ISD Permit Application Checklist (building, roof, siding, demolition, solar, tent) v. 10/16/18

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 (10)

  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) Cambridge ISD Permit Application Checklist (building, roof, siding, demolition, solar, tent) v. 10/16/18
  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)
  6. Copy of the Construction Supervisor License (when Is the work being done by a contractor (not the homeowner): yes) Cambridge ISD Permit Application Checklist (building, roof, siding, demolition, solar, tent) v. 10/16/18
  7. Signed contract or cost breakdown (when Is the work being done by a contractor (not the homeowner): yes) Cambridge ISD Permit Application Checklist (building, roof, siding, demolition, solar, tent) v. 10/16/18
  8. Certified plot plan, stamped by a registered land surveyor (when Does the work change the building footprint or add floor area: yes) Cambridge ISD Permit Application Checklist (building, roof, siding, demolition, solar, tent) v. 10/16/18
  9. Lead safety documentation for pre-1978 work (when Was the building built before 1978: yes) Cambridge ISD Permit Application Checklist (building, roof, siding, demolition, solar, tent) v. 10/16/18
  10. Historic Commission or historic district sign-off (when Is the property in a historic district, or is the building 50 or more years old: yes) Cambridge ISD Steps to a Building Permit v. 10/16/18

Check my packet against this list, $79