On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Old Saybrook
Residential and commercial building activity including renovations, electrical, plumbing, HVAC, demolition, gas and oil tank work, and more.
Fences 7 feet or less
Sheds 10 feet by 12 feet or smaller, under 120 square feet, subject to Land Use placement review
Driveways, unless an encroachment permit is needed on town property
Tents 20 feet by 40 feet or smaller and under 50-person capacity
- Exempt Fences 7 feet or less
- Exempt Sheds 10 feet by 12 feet or smaller, under 120 square feet, subject to Land Use placement review
- Exempt Driveways, unless an encroachment permit is needed on town property
- Exempt Tents 20 feet by 40 feet or smaller and under 50-person capacity
Required documents
- Completed online application
- contractor license
- current certificate of liability insurance or workers compensation
- and permit fee payment
- additional documents may be required for flood zone homes.
- Building code
- Connecticut State Building Code and state statutes, as stated on the town page.
- Owner-builder
- CT Form 7A and CT Form 7B are posted on the department page
- Contractor requirements
- Required
§ 03
Application process
Typical processing: Not posted
- 01 Review "How to File a Building Permit Online" and the online permit application link.
- 02 Complete the online application for the building permit.
- 03 Upload contractor license, liability insurance or workers compensation documentation, and other required documents.
- 04 Pay fees under the posted permit fee schedule.
- 05 Complete required inspections and obtain final CO or close-out.
Typical processing time: Not posted
Source: Building Department ↗
§ 04
Fee schedule
Effective 2026-03
Fee type
Amount
01
Minimum permit fee
$50 for the first $4,000 of construction cost
02
Plan check fee
Not separately posted in the lines reviewed
03
Permit fee formula
$50 for first $4,000 plus $10 for each additional $1,000
04
Reinspection fee
State penalties for violations are noted on the page; local reinspection fee not clearly posted on the main page reviewed
Applications are not reviewed until all required documents and fees are submitted
Fees change periodically. Confirm at the official fee schedule ↗ (effective 2026-03) before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Online scheduling (online)
- Inspection hours
- Monday through Friday, 8:30 a.m. to 4:30 p.m.
Typical sequence: Permit review, inspections during construction, final inspection, certificate of occupancy where applicable
§ 06
Frequently asked
Common questions about Old Saybrook permits
01 Do I need a building permit in Old Saybrook, CT? ▸
Residential and commercial building activity including renovations, electrical, plumbing, HVAC, demolition, gas and oil tank work, and more.
02 How much does a building permit cost in Old Saybrook, CT? ▸
Building permit fees in Old Saybrook, CT are set by the local building department and vary by project type and valuation. The minimum permit fee is $50 for the first $4,000 of construction cost. Fees are calculated as: $50 for first $4,000 plus $10 for each additional $1,000. Plan check fee: Not separately posted in the lines reviewed.
03 How do I apply for a building permit in Old Saybrook, CT? ▸
To apply for a building permit in Old Saybrook, CT, follow these steps: 1. Review "How to File a Building Permit Online" and the online permit application link. 2. Complete the online application for the building permit. 3. Upload contractor license, liability insurance or workers compensation documentation, and other required documents. 4. Pay fees under the posted permit fee schedule. 5. Complete required inspections and obtain final CO or close-out.
04 How long does it take to get a building permit in Old Saybrook, CT? ▸
Building permit processing times in Old Saybrook, CT typically run Not posted. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Old Saybrook, CT? ▸
Not all construction work requires a permit in Old Saybrook, CT. The following work is generally exempt: Fences 7 feet or less; Sheds 10 feet by 12 feet or smaller, under 120 square feet, subject to Land Use placement review; Driveways, unless an encroachment permit is needed on town property; Tents 20 feet by 40 feet or smaller and under 50-person capacity. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Old Saybrook, CT? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Old Saybrook, CT via: Online scheduling.
last verified April 2026
source Building Department ↗
entry id permits/connecticut/middlesex/old-saybrook
Educational reference. Permit rules and fees change — confirm current requirements directly with Building Department before applying. Jaspector is not legal advice.