Total monthly cost of ownership
Cost to Own a Home in Old Greenwich, Connecticut
A $1,668,000 home here costs
$12,176per month, all in, with 20% down at today's 7.24% 30-year fixed rate. By the 28% rule that takes a household income of about $522,000 a year.
A standard mortgage calculator would have told you $9,094. The real number is $3,082 higher every month, 34% more than the payment most buyers budget for.
Compare Western Connecticut Planning Region with anywhere in America · full county breakdown
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Old Greenwich against Western Connecticut Planning Region and Connecticut
| Measure | Old Greenwich | Western Connecticut Planning Region |
|---|---|---|
| Median home value | $1,668,200 | $625,400 |
| Median property tax | $10,001 | $9,222 |
| Effective tax rate | 0.600% | 1.475% |
| Median gross rent | $3,500+ | $2,060 |
| Population | 6,904 | 621,232 |
The weather behind that power bill
Old Greenwich sits in Western Connecticut Planning Region, which averages a high of 82.4°F in its hottest month and a low of 18.1°F in its coldest, with 48.03" of precipitation a year and 29% of it in a single three-month stretch. That climate drives 594 cooling and 6,158 heating degree days, which is what sets the $170 electricity line above.
See the full climate breakdown for Western Connecticut Planning Region , month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Western Connecticut Planning Region
Full Western Connecticut Planning Region cost breakdown · Every county in Connecticut
Talk to someone who works this market
These are Old Greenwich averages. What one specific house costs to own, or what it would sell for today, depends on the street and the condition of the place. We will connect you with one licensed local agent who works Old Greenwich every week. Free, no obligation, and we never sell your details to a list.
I'm looking to buy in Old Greenwich I already own here and may sell
Common questions
How much does it cost to own a home in Old Greenwich?
A $1,668,000 home in Old Greenwich, Connecticut costs approximately $12,176 per month with 20% down at 7.24%. That is $9,094 principal and interest, $834 property tax, $620 homeowners insurance, $238 utilities and $1,390 set aside for maintenance.
What is the property tax rate in Old Greenwich?
Old Greenwich has an effective property tax rate of 0.600%, based on a median home value of $1,668,200 and median real estate taxes of $10,001. That is lower than the Western Connecticut Planning Region average of 1.475%.
What is the average home price in Old Greenwich?
The median owner-occupied home value in Old Greenwich, Connecticut is $1,668,200, against $625,400 across Western Connecticut Planning Region.
Is it cheaper to rent or buy in Old Greenwich?
Median gross rent in Old Greenwich is above $3,500 (the Census reporting cap) a month, against $12,176 to own the median home all in. Renting costs less month to month here, though renting builds no equity.
What salary do you need to buy a home in Old Greenwich?
Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Old Greenwich, Connecticut at today's rate takes a household income of roughly $522,000 a year. That covers the full $12,176 monthly cost, not just the mortgage payment.
Sources & methodology
- Median home value, real estate taxes, gross rent and population for Old Greenwich, 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.