Total monthly cost of ownership
Cost to Own a Home in Thomaston, Maine
A $259,000 home here costs
$2,281per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,332. The real number is $950 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.
Thomaston against Knox County and Maine
| Measure | Thomaston | Knox County |
|---|---|---|
| Median home value | $258,700 | $290,800 |
| Median property tax | $3,976 | $3,643 |
| Effective tax rate | 1.537% | 1.253% |
| Median gross rent | $861 | $1,079 |
| Population | 2,021 | 40,860 |
The weather behind that power bill
Thomaston sits in Knox County, which averages a high of 74.2°F in its hottest month and a low of 17.4°F in its coldest, with 47.6" of precipitation a year and 30% of it in a single three-month stretch. That climate drives 121 cooling and 6,877 heating degree days, which is what sets the $257 electricity line above.
See the full climate breakdown for Knox County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Knox County
Common questions
How much does it cost to own a home in Thomaston?
A $259,000 home in Thomaston, Maine costs approximately $2,281 per month with 20% down at 6.66%. That is $1,332 principal and interest, $332 property tax, $77 homeowners insurance, $325 utilities and $216 set aside for maintenance.
What is the property tax rate in Thomaston?
Thomaston has an effective property tax rate of 1.537%, based on a median home value of $258,700 and median real estate taxes of $3,976. That is higher than the Knox County average of 1.253%.
What is the average home price in Thomaston?
The median owner-occupied home value in Thomaston, Maine is $258,700, against $290,800 across Knox County.
Is it cheaper to rent or buy in Thomaston?
Median gross rent in Thomaston is $861 a month, against $2,281 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 Thomaston — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Maine.
- 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.