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Thomaston, Connecticut property tax

Median property tax, home value and effective rate (Census 2020–2024)

Updated Oct 17, 2026, 1:57 AM ET
Effective property tax rate
2.17%

Homeowners in Thomaston, Connecticut paid a median $5,341 a year in property tax on a median home worth $246,300, an effective rate of about 2.17% (Census 2020–2024).

Census ACS 2020–2024 5-year medians · Census-designated place

#165 lowest of 182Connecticut places we cover

1.88%Naugatuck Valley Planning Region overall
Median tax paid
$5,341
per year, 2020–24
Median home value
$246,300
owner-occupied
Effective rate
2.17%
tax ÷ value
Tax vs. income
6.7%
of $79,674 median household income
Owner costs
$2,179/mo
median with a mortgage, incl. tax & insurance

Thomaston vs county, state and US

Effective rate

Thomaston2.17%
Naugatuck Valley Planning Region1.88%
Connecticut1.81%
United States0.94%

Median tax paid per year

Thomaston$5,341
Naugatuck Valley Planning Region$5,983
Connecticut$6,643
United States$3,119

Tax on a home in Thomaston

At the local 2.17% effective rate

Home valueEstimated yearly taxPer month
$150,000$3,253$271
$250,000$5,421$452
$350,000$7,590$632
$500,000$10,842$904

Buying a home in Naugatuck Valley Planning Region? 2026 loan limits

Nearby and related

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, tables B25103 (median real estate taxes paid), B25077 (median home value), B25003, B25088, B19013 and B01003. These are 2020–2024 medians reported by owner-occupants, not 2026 tax bills or official mill rates. The effective rate here is median tax ÷ median home value. Actual bills depend on assessed value, exemptions (homestead, senior, veteran) and local levies. Check with your county assessor or treasurer. Not tax advice.

Frequently asked questions

What is the property tax rate in Thomaston, Connecticut?

Homeowners in Thomaston, Connecticut paid a median $5,341 a year in property tax on a median home worth $246,300, an effective rate of about 2.17% (Census 2020–2024).

How much is property tax on a $250,000 home in Thomaston?

About $5,421 a year at the 2.17% median effective rate. Exemptions such as homestead can lower it.

Is property tax in Thomaston higher than the rest of Connecticut?

Thomaston ranks #165 lowest of 182 Connecticut places we track. The statewide effective rate is 1.81%. Naugatuck Valley Planning Region overall is 1.88%.