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§ 02
When a permit is required
Permit triggers and exempt work for Groton
New construction, additions, structural alterations, occupancy changes, and most trade work.
Detached accessory structures up to 200 square feet
Fences up to 7 feet
Minor finish work
Low retaining walls without surcharge
Sidewalks and driveways not over occupied space
- Exempt Detached accessory structures up to 200 square feet
- Exempt Fences up to 7 feet
- Exempt Minor finish work
- Exempt Low retaining walls without surcharge
- Exempt Sidewalks and driveways not over occupied space
Required documents
- Permit form
- plans
- site plan
- valuation
- contractor credentials
- any related land use approvals.
- Building code
- 2022 Connecticut State Building Code.
- Permit validity
- State-code 180 day start and abandonment rule unless extended.
- Owner-builder
- Owner applications are generally allowed, but required licensed trades still apply.
- Contractor requirements
- Connecticut trade licenses and home improvement registration rules apply.
§ 03
Application process
Typical processing: Not publicly posted.
- 01 Confirm that the parcel lies within the City of Groton municipal boundary.
- 02 Obtain the city building permit forms and prepare plans, valuation, and site information.
- 03 Submit with any zoning, floodplain, or coastal approvals the project requires.
- 04 Pay fees after review and pull required inspections before completion.
Typical processing time: Not publicly posted.
§ 04
Fee schedule
Groton building permit fees
Fee type
Amount
01
Minimum permit fee
Not publicly posted
02
Plan check fee
Not publicly posted
03
Permit fee formula
Not publicly posted
04
Reinspection fee
Not publicly posted
Confirm directly with the city office before filing.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Through the City Building Official (department)
- Inspection hours
- Not publicly posted
Typical sequence: Foundation, framing, rough trades, insulation or energy, final
Reinspection after corrections; verify whether additional fees apply.
§ 06
Frequently asked
Common questions about Groton permits
01 Do I need a building permit in Groton, CT? ▸
New construction, additions, structural alterations, occupancy changes, and most trade work.
02 How much does a building permit cost in Groton, CT? ▸
Building permit fees in Groton, CT are set by the local building department and vary by project type and valuation. The minimum permit fee is Not publicly posted. Fees are calculated as: Not publicly posted. Plan check fee: Not publicly posted.
03 How do I apply for a building permit in Groton, CT? ▸
To apply for a building permit in Groton, CT, follow these steps: 1. Confirm that the parcel lies within the City of Groton municipal boundary. 2. Obtain the city building permit forms and prepare plans, valuation, and site information. 3. Submit with any zoning, floodplain, or coastal approvals the project requires. 4. Pay fees after review and pull required inspections before completion.
04 How long does it take to get a building permit in Groton, CT? ▸
Building permit processing times in Groton, CT typically run Not publicly posted.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Groton, CT? ▸
Not all construction work requires a permit in Groton, CT. The following work is generally exempt: Detached accessory structures up to 200 square feet; Fences up to 7 feet; Minor finish work; Low retaining walls without surcharge; Sidewalks and driveways not over occupied space. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Groton, CT? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Groton, CT via: Through the City Building Official.
last verified April 2026
source City of Groton Building Official ↗
entry id permits/connecticut/new-london/groton-city
Educational reference. Permit rules and fees change — confirm current requirements directly with City of Groton Building Official before applying. Jaspector is not legal advice.