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Home Addition
The Steps
  1. Review some issues that may impact your project
  2. Get your application together
  3. Review your materials before submission to the Building DepartmentAs the homeowner, even if you are using a contractor, you should pay close attention to the following details:
    • The Building Permit Application must be signed by the homeowner
    • Review your plot plan with your surveyor to make sure that all the dimension lines are included for both the existing and proposed structures
    • Review your plot plan and building plans to insure compliance with current zoning regulations
    In particular, make sure that an architect has computed and included:
    • Floor plans for the new and existing areas that show percentage increase in gross floor area
    • Plans that indicate percentage of demolition of exterior envelope and all elevations
    • Remember that smoke detector locations must be clearly marked on the plans
  4. Submit your application materialsSubmit completed forms to the Building Department (500 Dedham Avenue) along with:
    • Five copies of the plot plan wet stamped and signed by registered land surveyor (plot plan specifics). (Available plot plan information can be obtained in the Engineering Division)
    • Two copies of building plans (wet stamped and signed)
  5. What happens next?Once the application is submitted, many town departments need to review the components for completeness and compliance. Each of the following departments must sign off on the application before it can be issued:
    • Building Department - completeness of drawings, zoning compliance.
    • Public Works / Engineering - utilities laid out properly, property lines correct, easements shown, wetlands and floodplains shown, building dimensions and offsets to property lines shown.
    • Public Works / Water and Sewer - water and sewer laid out properly, review if connections are needed.
    • Public Works / Highway - determine if a Street Occupancy Permit is required and secure a bond from the contractor.
    • Public Works / Administration - contact applicant and inform of bonding, insurance, and street occupancy requirements.
    • Conservation - compliance with wetlands, floodplain, Riverfront Area regulations.
    • Health Department - demolition, septic systems.
    All of these steps are necessary and can take time. The more time you spend to make sure that your application is complete, the quicker your permit will be issued. (Approximate timelines). The permit is then issued and construction must begin within 6 months.
  6. Get inspections at various stages during the work
    • Excavation Inspection before concrete is poured (for circumstances in which the foundation cannot be seen after it is poured such as with sonotubes).
    • Submit Surveyor's As Built Form, in triplicate, prior to foundation inspection.
    • Foundation inspection, including damp proofing and waterproofing.
    • Rough electrical inspection.
    • Rough plumbing inspection.
    • Rough gas inspection (If propane see Fire Department, 88 Chestnut Street).
    • Rough smoke detector inspection by Fire Inspector.
    • Rough framing inspection after fire stopping is complete and before insulation.
    • Insulation inspection, as or when required.
    • Final electrical inspection.
    • Final plumbing and gas inspections.
    • Final Fire Department inspection/smoke detectors certificate. Oil burner inspection if applicable.
    • Final building inspection.
    • Certificate of occupancy, if applicable. Make sure you see the certificate of occupancy signed by the Building Inspector to ensure project completion prior to making final payment to contractor to ensure permit is closed preventing issues with future projects.
  7. Enjoy your new space

Please review the Frequently Asked Questions to understand this process and avoid problems that may slow down the process.