What Can I Build Here? Interactive Zoning Map
Mapping local zoning boundaries…
Permitting an ADU or home in Westbrook
ADU verdict · Westbrook
Building an ADU here
- ADUs are allowed by right (administrative review only).
- Owner-occupancy required.
- No sprinkler requirement for 1–2 units.
- ≤800 sf and ≥190 sf habitable (Land Use Ord. §335-2.2); detached ADU must share the principal structure's access drive and sit on a permanent foundation.
- Short-term rentals: unregulated (no specific short-term-rental rule).
- Max ADU size
- 800 sq ft
- Building-permit review
- ~2-4 wks
- Permits to build
- Building permit+ trade sub-permits
- How you file
- Online portal
The typical order
confirm with the code officeWhich permits may apply — sequence is typical; some steps run in parallel.
New home: 19 permits may apply. Approvals: Review path varies — confirm with the code office.
- ApprovalsReview path varies — confirm with the code office
- Site & utilities
- Sewer Service
- Water Service
- Curb Cut/Driveway Permit
- Excavation Permit
- Surface Drainage Plan
- Subsurface Wastewater Permit
- Build
- Building Permit
- Electrical Permit
- Plumbing Permit
- Heating Permit
- Solid Fuel Appliance Permit
- Demolition Permit
- Internal Plumbing Permit
- Final sign-off
- Certificate of Occupancy
Your land's triggers
Depends on your lotThe steps above are Westbrook'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 soonThis page names the questions; your parcel gives the answers — which fire, why, and cited. That's the paid lot report.
Showing 14 of 19 permits by name — the rest are lot-dependent or listed in the full permit ledger below.
Where to apply
- Department
- Code Enforcement
- Phone
- (207) 854-0638
- code@westbrook.me.us
- Hours
- Mon-Fri 7:30 AM-4:00 PM
- Address
- 2 York Street, Westbrook, ME 04092
Intake details current as of April 10, 2026. Confirm with the code office before applying.
Permits you may need
- Building PermitOnline portal· ~2-4 wksApply
- Electrical PermitOnline portal· ~2-4 wksApply
- Plumbing PermitOnline portal· ~2-4 wksApply
- Heating PermitOnline portal· ~2-4 wksApply
- Solid Fuel Appliance PermitOnline portal· ~2-4 wksApply
- Certificate of OccupancyOnline portalApply
- Sewer ServiceIn personApply
- Water ServiceIn personApply
- Demolition PermitOnline portal· ~2-4 wksApply
- Variance / ZBA AppealOnline portal· varies (ZBA hearing cycle)Apply
- Site Plan Review (Planning Board)Online portal· varies (Planning Board cycle)Apply
- Conditional Use ReviewOnline portal· varies (Planning Board 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
- Westbrook
- 9 zones
- 31 zones
Westbrook 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.