Connecticut property tax rates by county
Connecticut · #3 of 52 · 9 counties
Median annual property tax $6,643 · median home value $366,900
Above the U.S. benchmark 0.94%. Payment dates are set locally — see below. Payment dates ↓
Same house, different county
Apply each county's benchmark rate to a $366,900 home, the Connecticut median: about $7,418 a year in Greater Bridgeport Planning Region (2.02%) versus $5,218 in Northeastern Connecticut Planning Region (1.42%) — $2,200 a year apart for the same house. Counties with at least 20,000 people.
Where most Connecticut residents live
| County | Rate | Median tax | Of income |
|---|---|---|---|
| Capitol Planning Region#2 of 9 | 1.99% | $6,454 | 6.9% |
| Western Connecticut Planning Region#8 of 9 | 1.42% | $9,295 | 7.3% |
| South Central Connecticut Planning Region#3 of 9 | 1.91% | $6,759 | 7.7% |
| Naugatuck Valley Planning Region#4 of 9 | 1.88% | $5,983 | 6.9% |
| Greater Bridgeport Planning Region#1 of 9 | 2.02% | $8,670 | 9.7% |
Of income = median annual property tax ÷ median household income (all households, owners and renters), ACS 2020–2024 5-year. A real bill depends on the assessed value and exemptions, not only the rate.
Counties, highest rate first
- Greater Bridgeport Planning RegionMedian home value $428,800
- Capitol Planning RegionMedian home value $323,700
- South Central Connecticut Planning RegionMedian home value $353,100
- Naugatuck Valley Planning RegionMedian home value $317,700
- Lower Connecticut River Valley Planning RegionMedian home value $379,700
- Northwest Hills Planning RegionMedian home value $335,600
- Southeastern Connecticut Planning RegionMedian home value $323,400
- Western Connecticut Planning RegionMedian home value $652,900
- Northeastern Connecticut Planning RegionMedian home value $307,600
When it's due in Connecticut
All statesPayment dates vary by local tax authority.
Check your city, town or county tax collector for this year's deadline. The statewide notes below are a general guide.
| Late penalty | 1.5% per month (18% annually) calculated from the due date (C.G.S. § 12-146) |
|---|---|
| Appeal window | file with Board of Assessment Appeals on or before February 20 (C.G.S. § 12-111) |
county/municipal-set; statutory default under C.G.S. § 12-142 is semi-annual due July 1 and January 1, with a 30-day grace period (delinquent Aug 2 and Feb 2). Some towns use single payment in July or quarterly. Regular annual schedule; tax year: assessment year Oct 1, bills mailed late June. Source: Conn. Gen. Stat. § 12-142, § 12-144, § 12-146, rules checked 2026-09-19. Confirm the amount and deadline on your official tax bill.
Benchmark = median real estate taxes paid ÷ median home value, ACS 2020–2024 5-year. Counties where the Census reports a range ("less than $200", "$10,000 or more") get no rate.