Total monthly cost of ownership
Cost to Own a Home in Boise City, Idaho
A $456,000 home here costs
$3,227per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $2,344. The real number is $882 higher every month — 38% 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.
Boise City against Ada County and Idaho
| Measure | Boise City | Ada County |
|---|---|---|
| Median home value | $456,000 | $476,000 |
| Median property tax | $2,817 | $2,643 |
| Effective tax rate | 0.618% | 0.555% |
| Median gross rent | $1,359 | $1,465 |
| Population | 235,701 | 508,052 |
The weather behind that power bill
Boise City sits in Ada County, which averages a high of 92.7°F in its hottest month and a low of 25.4°F in its coldest, with 11.51" of precipitation a year and 36% of it in a single three-month stretch. That climate drives 1,045 cooling and 5,321 heating degree days, which is what sets the $111 electricity line above.
See the full climate breakdown for Ada County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Ada County
Common questions
How much does it cost to own a home in Boise City?
A $456,000 home in Boise City, Idaho costs approximately $3,227 per month with 20% down at 6.66%. That is $2,344 principal and interest, $235 property tax, $89 homeowners insurance, $179 utilities and $380 set aside for maintenance.
What is the property tax rate in Boise City?
Boise City has an effective property tax rate of 0.618%, based on a median home value of $456,000 and median real estate taxes of $2,817. That is higher than the Ada County average of 0.555%.
What is the average home price in Boise City?
The median owner-occupied home value in Boise City, Idaho is $456,000, against $476,000 across Ada County.
Is it cheaper to rent or buy in Boise City?
Median gross rent in Boise City is $1,359 a month, against $3,227 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 Boise City — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Idaho.
- 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.