Skip to map content

What Can I Build Here? Interactive Zoning Map

Loading zoning data...

Mapping local zoning boundaries…

Permitting an ADU or home in Falmouth

ADU verdict · Falmouth

Building an ADU here

  • ADUs are allowed by right (administrative review only).
  • No owner-occupancy requirement.
  • No sprinkler requirement for 1–2 units.
  • The lesser of (a) 850 sf or (b) 100% of the principal single-family dwelling's gross floor area (excluding garages, porches, decks, unfinished areas) per Zoning Ord. §19-55.1(b), amended 07/11/16 — 'whichever is less'.
  • Short-term rentals: permitted.
Max ADU size
up to 850 sq ftconditions apply
Building-permit review
~2 wks
Permits to build
Building permit+ trade sub-permits
How you file
PDF form

The typical order

confirm with the code office

Which permits may apply — sequence is typical; some steps run in parallel.

New home: 21 permits may apply. Approvals: Review path varies — confirm with the code office.

  1. ApprovalsReview path varies — confirm with the code office
    • Growth Permit
  2. Site & utilities
    • Excavation Permit
    • Street Entrance Permit
    • Phosphorus Control Permit
    • Fill Permit
    • Subsurface Wastewater Permit
    • Water Service
    • Sewer Connection
  3. Build
    • Building Permit
    • Electrical Permit
    • Plumbing Permit
    • Heating Permit
    • Porch/Deck Permit
    • Demolition Permit
    • Wood Stove Permit
    • Internal Plumbing Permit
  4. Final sign-off
    • Certificate of Occupancy
  5. Your land's triggers

    Depends on your lot

    The steps above are Falmouth's standard permit path — which ones apply depends on your project. What's below depends on where your lot sits, and the zoning map can't see it.

    Parcel diagnostics unscanned
    • Flood hazard
    • Wetland / vernal pool (NRPA)
    • Shoreland
    • Historic district
    • Site & soil conditions
    • Per-lot fee impact
    Launching soon

    This page names the questions; your parcel gives the answers — which fire, why, and cited. That's the paid lot report.

Showing 17 of 21 permits by name — the rest are lot-dependent or listed in the full permit ledger below.

Where to apply

Department
Code Enforcement Division
Hours
Mon 7:00 AM-4:30 PM; Tue-Thu 8:00 AM-4:30 PM; Fri CLOSED
Address
271 Falmouth Road, Falmouth, ME 04105

Intake details current as of April 10, 2026. Confirm with the code office before applying.

Permits you may need

  • Building PermitPDF form· ~2 wksApply
  • Electrical PermitPDF form· ~2 wksApply
  • Plumbing PermitPDF form· ~2 wksApply
  • Heating PermitPDF form· ~2 wksApply
  • Certificate of OccupancyPDF formApply
  • Porch/Deck PermitPDF form· ~2 wksApply
  • Demolition PermitPDF form· ~2 wksApply
  • Shoreland Zoning PermitPDF form· variesApply
  • Flood Hazard Development PermitPDF form· variesApply
  • Site Plan Review (Planning Board)PDF form· varies (Planning Board cycle)Apply
  • Street Entrance PermitPDF form· 1-2 wksApply
  • Variance / ZBA AppealPDF form· varies (BZA hearing cycle)Apply

Review times run longer in peak building season — confirm current turnaround with the code office.

This is public-record guidance, not legal advice — verify with the code office before applying. Maine fee schedules revise annually on July 1.

ADUs allowed by right (LD 2003). Search your address to check your lot.

Municipalities in Cumberland County

  • Falmouth
  • 9 zones
  • 31 zones

Falmouth Zoning Districts

V-STARA™ zoning data provides screening-level feasibility estimates. Final dimensional constraints and requirements must be verified during the formal municipal permitting phase.

Zone details closed.
0 of 4 selectedAdd more