What documents are required to obtain a building permit?

Depending on the scope of work, a variety documents may be required. At minimum a COMPLETE building permit application is required. In addition to the permit application, all applicants must submit a copy of the Massachusetts Workers Compensation Insurance Affidavit. This affidavit is required even when a homeowner obtains the permit, this does not mean that insurance is required, only the affidavit is. When applying online this affidavit can be automatically generated as part of the application process. Below is a general guideline of the documents required for various permit types. This is only a guide and further info may be required depending on the scope of the proposed work, examples of additional documents may be a copies of recorded decisions, etc. When in doubt, contact us to determine what documents may be required for your project.

Type of Work being performedDocuments needed
For residential single or two family 
Siding, roofing, replacement doors or windows with no structural changes, insulation1
Solid fuel appliance, pellet or wood stove.1
New construction1,2,3,4,5,6,10
Addtions1,2,3,4,5,6
Alterations1,2,3,5,6
Fences1,7
Solar1,7,8
Decks1,3,6(if new or larger deck)
Swimming Pool above ground1,11
Swimming pool in ground1,6,7
Detached accessory structures over 200sf of floor area1,2,3,4,6
For commercial buildings and buildings with 3 or more dwelling units 
New construction and Additions1,2,3,4,5,6,12,13,14
Alterations1,2,3,5,12,13, 14
  1. Completed application including the Massachusetts Workers Compensation Insurance Affidavit
  2. Floor plans drawn to scale showing the entire work area and the scope of work within the work area(s). Floor plans should show both existing and proposed conditions. For buildings with two or more dwelling units, identify all rated assemblies that separate dwelling units as required by the state building code.
  3. Structural plans  with adequate dimensions showing all structural members, sizes and spans. Structural plans also include design reports for any engineered materials (LVLs Etc).
  4. Building elevations showing building heights, roof pitches, etc.
  5. Compliance with the current energy code showing R values for all envelope components.
  6. Certified plot plan prepared by a registered land surveyor. This plan should NOT be a mortgage inspection plan. The plan should show the location and setbacks of all existing and proposed structures or additions, existing and proposed topography, easements, location of driveways, location of septic system components, location of wells and the location of water and sewer lines on the property.
  7. Certified plot plan showing the height and location of any proposed fencing.
  8. Structural evaluation prepared by a registered design professional.
  9. Plans showing the layout of all system components and connections.
  10. Water quality test for new construction with private water.
  11. Site plan depicting proposed location and the location of existing septic system components.
  12. Stamped plans prepared by a registered design professional.
  13. Construction control affidavits.
  14. Evaluation per Existing Building Code showing level of work and code compliance.