Connecticut Property Tax Data

By Kiznis Studio Editorial · May 2026

ACS 2024 property tax data for 9 counties in CT.

The average median property tax in Connecticut is $6,524/year, which is 227% above the national average of $1,993. The average effective tax rate is 1.73% on a median home value of $380,278. Taxes range from $4,375 in Northeastern Connecticut Planning Region to $9,295 in Western Connecticut Planning Region.

What This Data Tells Us About Connecticut

Across 9 counties in Connecticut, the average median property tax is $6,524 per year, 227% above the national median of $1,993. The statewide effective rate of 1.73% on a median home value of $380,278 reflects how Connecticut's assessment rules and local millage combine at the household level.

Within Connecticut, median annual tax ranges from $4,375 in Northeastern Connecticut Planning Region (effective rate 1.42%) to $9,295 in Western Connecticut Planning Region (effective rate 1.42%). Median home values in Connecticut ($380,278) compared with $227,791 nationally help explain why the same effective rate produces different dollar bills in different states. Within-state variation often tracks local school levies, county bonds, and municipal overlays rather than a single statewide rate.

This page is for informational purposes only and is not tax, legal, or financial advice. Figures describe median homeowner households reported to the Census Bureau — individual bills can differ based on assessed value, exemptions, special districts, and local overlays. Always confirm current rates with your county assessor or a qualified professional before making decisions that rely on these numbers.

State Average vs National Average

Median Annual Tax

$6,524

+227% vs US avg

Median Home Value

$380,278

+67% vs US avg

Effective Tax Rate

1.73%

+88% vs US avg

Lowest Property Taxes in Connecticut

Counties with the cheapest tax bills →

Highest Property Taxes in Connecticut

Counties with the most expensive tax bills →

Top 5 Lowest Tax Counties

1. Northeastern Connecticut Planning Region

$4,375

2. Southeastern Connecticut Planning Region

$5,228

3. Northwest Hills Planning Region

$5,593

4. Naugatuck Valley Planning Region

$5,983

5. Lower Connecticut River Valley Planning Region

$6,357

Top 5 Highest Tax Counties

1. Western Connecticut Planning Region

$9,295

2. Greater Bridgeport Planning Region

$8,670

3. South Central Connecticut Planning Region

$6,759

4. Capitol Planning Region

$6,454

5. Lower Connecticut River Valley Planning Region

$6,357

Tax Affordability Score

1.7

Very Expensive

Based on the average effective tax rate of 1.73% compared to the national average of 0.92%. Connecticut has above-average property tax rates, contributing to higher housing costs.

Very Expensive Very Affordable

All Counties in Connecticut (9)

County	Median Tax	Effective Rate	Home Value	Population
Capitol Planning Region	$6,454	1.99%	$323,700	257,054
Fairfield County	N/A	N/A	N/A	232,832
Greater Bridgeport Planning Region	$8,670	2.02%	$428,800	78,087
Hartford County	N/A	N/A	N/A	230,908
Litchfield County	N/A	N/A	N/A	57,096
Lower Connecticut River Valley Planning Region	$6,357	1.67%	$379,700	56,136
Middlesex County	N/A	N/A	N/A	50,544
Naugatuck Valley Planning Region	$5,983	1.88%	$317,700	123,476
New Haven County	N/A	N/A	N/A	208,977
New London County	N/A	N/A	N/A	73,645
Northeastern Connecticut Planning Region	$4,375	1.42%	$307,600	30,453
Northwest Hills Planning Region	$5,593	1.67%	$335,600	36,503
South Central Connecticut Planning Region	$6,759	1.91%	$353,100	139,620
Southeastern Connecticut Planning Region	$5,228	1.62%	$323,400	75,341
Tolland County	N/A	N/A	N/A	40,072
Western Connecticut Planning Region	$9,295	1.42%	$652,900	156,319
Windham County	N/A	N/A	N/A	31,429

Frequently Asked Questions

What is the average property tax in Connecticut? ▼

The average median property tax paid in Connecticut is $6,524 per year, based on ACS 2024 data. The average effective tax rate is 1.73%.

How does Connecticut compare to the national average? ▼

Connecticut property taxes are 227% above the national average. Homeowners here pay a median of $6,524 per year compared to $1,993 nationally.

Which county in Connecticut has the lowest property taxes? ▼

Northeastern Connecticut Planning Region has the lowest median property tax in Connecticut at $4,375 per year with an effective rate of 1.42%. The highest is Western Connecticut Planning Region at $9,295.

How are property taxes calculated? ▼

Property taxes are calculated by multiplying the assessed value of a property by the local tax rate (mill rate). Rates vary by county, city, and school district. The effective tax rate shown here is the median tax paid divided by the median home value, which provides a standardized comparison across counties.

What is the median home value in Connecticut? ▼

The median home value across Connecticut is $380,278, compared to $227,791 nationally. Home values directly impact property tax bills since taxes are assessed as a percentage of property value.

Can I appeal my property taxes in Connecticut? ▼

Yes. Every Connecticut homeowner has the right to appeal their property tax assessment. The process typically starts at your county assessor's office within 30-90 days of receiving your assessment notice. You can challenge the assessed value by providing comparable sales data, evidence of property condition, or errors in the assessment. See our guide on how to appeal property taxes for detailed steps.