Total monthly cost of ownership
Cost to Own a Home in Petersburg, Alaska
A $299,000 home here costs
$2,363per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,537. The real number is $826 higher every month — 54% 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.
Petersburg against Petersburg Borough and Alaska
| Measure | Petersburg | Petersburg Borough |
|---|---|---|
| Median home value | $298,500 | $301,300 |
| Median property tax | $2,098 | $2,066 |
| Effective tax rate | 0.703% | 0.686% |
| Median gross rent | $1,208 | $1,208 |
| Population | 3,346 | 3,394 |
The weather behind that power bill
Petersburg sits in Petersburg Borough, which averages a high of 61.7°F in its hottest month and a low of 27.2°F in its coldest, with 110.19" of precipitation a year and 37% of it in a single three-month stretch. That climate drives 1 cooling and 8,018 heating degree days, which is what sets the $254 electricity line above.
See the full climate breakdown for Petersburg Borough — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Petersburg Borough
No other places of this size are published in Petersburg Borough.
Full Petersburg Borough cost breakdown · Every county in Alaska
Common questions
How much does it cost to own a home in Petersburg?
A $299,000 home in Petersburg, Alaska costs approximately $2,363 per month with 20% down at 6.66%. That is $1,537 principal and interest, $175 property tax, $80 homeowners insurance, $322 utilities and $249 set aside for maintenance.
What is the property tax rate in Petersburg?
Petersburg has an effective property tax rate of 0.703%, based on a median home value of $298,500 and median real estate taxes of $2,098. That is higher than the Petersburg Borough average of 0.686%.
What is the average home price in Petersburg?
The median owner-occupied home value in Petersburg, Alaska is $298,500, against $301,300 across Petersburg Borough.
Is it cheaper to rent or buy in Petersburg?
Median gross rent in Petersburg is $1,208 a month, against $2,363 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 Petersburg — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Alaska.
- 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.