New London County, CT Property Tax Rate
Homeowners in New London County pay an effective 1.75% of home value in property tax — about $5,143 a year on the median $293,900 home, below or near the Connecticut county median of 1.80%.
New London County, CT: 1.75% effective property tax — ~$5,143/yr on the median home.
- Effective rate1.75%
- Median home value$293,900
- Median annual bill$5,143
- CT county median1.80%
- U.S. county median0.84%
Source: U.S. Census ACS 2023 5-year (median taxes paid ÷ median value), compiled June 2026.
New London County vs. Connecticut and the U.S.
| Effective rate | On the county's $293,900 median home | |
|---|---|---|
| New London County | 1.75% | $5,143 |
| Connecticut county median | 1.80% | $5,290 |
| U.S. county median | 0.84% | $2,469 |
Median household income here is $84,185, putting the median tax bill at about 6.1% of income. Effective rates fold in homestead exemptions and assessment practice — they're what owners actually pay, which is why they beat statutory rates for comparison.
Highest & lowest rates in Connecticut
| County | Effective rate | Median bill |
|---|---|---|
| Hartford County | 2.14% | $6,381 |
| New Haven County | 2.04% | $6,391 |
| Tolland County | 2.03% | $5,985 |
| Litchfield County | 1.80% | $5,611 |
| Windham County | 1.54% | $4,332 |
| Fairfield County | 1.65% | $9,000 |
| New London County | 1.75% | $5,143 |
| Middlesex County | 1.76% | $6,318 |
Full picture: Connecticut property tax calculator · interactive county atlas · all county pages.
Frequently asked questions
What is the property tax rate in New London County, CT?
The effective rate is about 1.75% of home value — the median homeowner pays roughly $5,143 a year on a $293,900 median home (ACS 2023 five-year data).
Is New London County's property tax high?
It's below or near the Connecticut county median (1.80%) and above the U.S. county median (0.84%).
How is the effective rate calculated?
Median real-estate taxes paid ÷ median home value, from the Census American Community Survey — what owners actually pay, after exemptions, rather than the statutory millage.
Sources & methodology
Sources: Census ACS 2023 5-year tables B25103/B25077.
Effective rate = median real-estate taxes ÷ median home value (owner-occupied). Individual bills vary with exemptions, assessment timing and local levies — verify with the county assessor.