County Building Permits

New London County, CT - 2026 Building Permit Guide

How to apply for a building permit in unincorporated New London County, Connecticut. Permit authority, application steps, fees, and inspection requirements.

Connecticut Updated March 2026

Permit Authority

New London County has no county permit authority and no unincorporated county permitting area; all building permits route to the municipality where the property sits.

Department
None at county level
Address
Not applicable
Phone
Not applicable

Online Permit Portal

Platform: None • Account required: No • Submission: In-person only

Application Process

  1. Confirm the parcel municipality because county boundaries do not control permitting in Connecticut.
  2. Apply to the town or city building official with any required zoning, wetlands, health, floodplain, or coastal approvals.
  3. Complete municipal plan review, fee payment, and pre-issuance conditions.
  4. Pull municipal inspections and certificate of occupancy or completion as required.

Typical processing time: Varies by municipality; no county processing lane exists.

Source: None at county level

General Requirements

County government does not issue building permits in Connecticut.

Required Documents

  • Municipal forms
  • approvals only.
Permit validity
Municipal and state code rules apply.
Building code
2022 Connecticut State Building Code, locally enforced.
Owner-builder
Municipal and state rules apply.
Contractor requirements
Municipal and state rules apply.

Fees

Minimum permit fee
Not applicable
Plan check fee
Not applicable
Permit fee formula
Not applicable
Reinspection fee
Not applicable
Payment note
Fees are paid to the municipality, not the county.

Work That Does NOT Require a Permit

  • None at county level; exemptions are applied by the local building official under state code.

Inspections

How to Schedule

  • Through the municipality (department)
Inspection hours
By municipality

Typical inspection sequence: By municipality

By municipality

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the None at county level before applying.

Frequently Asked Questions

New London County Building Permit FAQ

Do I need a building permit in unincorporated New London County, CT?
County government does not issue building permits in Connecticut.
How much does a building permit cost in unincorporated New London County, CT?
The minimum permit fee is Not applicable. Fees are calculated as: Not applicable. Plan check fee: Not applicable.
How do I apply for a building permit in unincorporated New London County, CT?
1. Confirm the parcel municipality because county boundaries do not control permitting in Connecticut. 2. Apply to the town or city building official with any required zoning, wetlands, health, floodplain, or coastal approvals. 3. Complete municipal plan review, fee payment, and pre-issuance conditions. 4. Pull municipal inspections and certificate of occupancy or completion as required.
How long does it take to get a building permit in unincorporated New London County, CT?
Typical processing time is Varies by municipality; no county processing lane exists..
What work is exempt from building permits in unincorporated New London County, CT?
The following work is generally exempt: None at county level; exemptions are applied by the local building official under state code..
How do I schedule a building inspection in unincorporated New London County, CT?
Inspections can be scheduled via: Through the municipality.

Need help with your project?

Navigating permits in New London County (countywide routing note) can be complicated.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.
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