Total monthly cost of ownership
Cost to Own a Home in Topsham, Maine
A $342,000 home here costs
$2,811per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,758. The real number is $1,053 higher every month — 60% 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.
Topsham against Sagadahoc County and Maine
| Measure | Topsham | Sagadahoc County |
|---|---|---|
| Median home value | $341,800 | $300,200 |
| Median property tax | $4,093 | $3,365 |
| Effective tax rate | 1.197% | 1.121% |
| Median gross rent | $1,211 | $1,050 |
| Population | 6,962 | 37,093 |
The weather behind that power bill
Topsham sits in Sagadahoc County, which averages a high of 78.6°F in its hottest month and a low of 9.6°F in its coldest, with 48.45" of precipitation a year and 30% of it in a single three-month stretch. That climate drives 259 cooling and 7,668 heating degree days, which is what sets the $257 electricity line above.
See the full climate breakdown for Sagadahoc County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Sagadahoc County
Full Sagadahoc County cost breakdown · Every county in Maine
Common questions
How much does it cost to own a home in Topsham?
A $342,000 home in Topsham, Maine costs approximately $2,811 per month with 20% down at 6.66%. That is $1,758 principal and interest, $341 property tax, $101 homeowners insurance, $325 utilities and $285 set aside for maintenance.
What is the property tax rate in Topsham?
Topsham has an effective property tax rate of 1.197%, based on a median home value of $341,800 and median real estate taxes of $4,093. That is higher than the Sagadahoc County average of 1.121%.
What is the average home price in Topsham?
The median owner-occupied home value in Topsham, Maine is $341,800, against $300,200 across Sagadahoc County.
Is it cheaper to rent or buy in Topsham?
Median gross rent in Topsham is $1,211 a month, against $2,811 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 Topsham — 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.