Total monthly cost of ownership
Cost to Own a Home in Groton, Connecticut
A $279,000 home here costs
$2,449per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,434. The real number is $1,015 higher every month — 71% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Groton against Southeastern Connecticut Planning Region and Connecticut
| Measure | Groton | Southeastern Connecticut Planning Region |
|---|---|---|
| Median home value | $278,900 | $293,900 |
| Median property tax | $4,369 | $5,146 |
| Effective tax rate | 1.567% | 1.751% |
| Median gross rent | $1,179 | $1,316 |
| Population | 9,343 | 279,025 |
The weather behind that power bill
Groton sits in Southeastern Connecticut Planning Region, which averages a high of 84.1°F in its hottest month and a low of 21.2°F in its coldest, with 52.18" of precipitation a year and 27% of it in a single three-month stretch. That climate drives 802 cooling and 5,579 heating degree days, which is what sets the $246 electricity line above.
See the full climate breakdown for Southeastern Connecticut Planning Region — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Southeastern Connecticut Planning Region
Full Southeastern Connecticut Planning Region cost breakdown · Every county in Connecticut
Common questions
How much does it cost to own a home in Groton?
A $279,000 home in Groton, Connecticut costs approximately $2,449 per month with 20% down at 6.66%. That is $1,434 principal and interest, $364 property tax, $104 homeowners insurance, $314 utilities and $233 set aside for maintenance.
What is the property tax rate in Groton?
Groton has an effective property tax rate of 1.567%, based on a median home value of $278,900 and median real estate taxes of $4,369. That is lower than the Southeastern Connecticut Planning Region average of 1.751%.
What is the average home price in Groton?
The median owner-occupied home value in Groton, Connecticut is $278,900, against $293,900 across Southeastern Connecticut Planning Region.
Is it cheaper to rent or buy in Groton?
Median gross rent in Groton is $1,179 a month, against $2,449 to own the median home all in. Renting costs less month to month here, though renting builds no equity.
Sources & methodology
- Median home value, real estate taxes, gross rent and population for Groton — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Connecticut.
- Electricity price — EIA Electric Power Monthly Table 5.6.A.
- Mortgage rate — Freddie Mac PMMS, refreshed weekly.
- Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.