BuildingPermitCost Connecticut permit fees at a glance
This page covers 3 cities in Connecticut, each priced from its own official fee schedule. For the same $75,000 addition, totals run from $1,155.00 in New Britain to $1,969.50 in Waterbury, with a Connecticut median of $1,303.50, 59% above the median of $820.58 across all 267 places on this site.
The most common pricing method here is a fee table based on project value (3 of 3). For project value, 3 places use your contract or bid price.
None of the 3 lists a separate plan review fee for building permits. 2 add a state surcharge to the total, printed for example as "State Education Fee" and "State of Connecticut fee".
2 of 3 schedules state an effective date, 1 of them from 2025 or later. Every page shows its effective date and the date we last checked it against the official source.
| Project | Connecticut median | National median | Places |
|---|---|---|---|
| $25,000 remodel | $490.50 | $380.00 | 3 |
| $75,000 addition | $1,303.50 | $820.58 | 3 |
| $350,000 new home | $5,775.00 | $2,918.63 | 3 |
Calculate your own project · Compare Connecticut places side by side · Fees people often miss
Cities
| Jurisdiction | $25k remodel | $75k addition | $350k new home | Verified |
|---|---|---|---|---|
| Danbury | $490.50 | $1,303.50 | $5,775.00 | Nov 5, 2026 |
| New Britain | $405.00 | $1,155.00 | $5,280.00 | Nov 5, 2026 |
| Waterbury | $706.50 | $1,969.50 | $8,916.00 | Nov 5, 2026 |
Connecticut permit fee questions
How much is a building permit in Connecticut?
It depends on the city or county, because each sets its own fees. Across the 3 places we cover in Connecticut, the median for a $75,000 addition is $1,303.50 and for a $350,000 new home $5,775.00, including plan review and required surcharges.
Which Connecticut places have the lowest and highest permit fees?
For a $75,000 addition, the lowest total we found is $1,155.00 in New Britain, CT and the highest is $1,969.50 in Waterbury, CT. The tables on this page list every place we cover.
Are Connecticut state fees included?
Yes, where the local schedule adds them to the permit. 2 of the 3 Connecticut schedules we cover include a state surcharge, and each city page shows it as its own line.
Totals use each jurisdiction's own formula for a 300 sq ft remodel, a 400 sq ft addition and a 2,400 sq ft wood-frame home. Trade permits and conditional fees are not included. Fees are estimates based on the official schedules; confirm with the permit office before applying.