Total monthly cost of ownership
Cost to Own a Home in Isla Vista, California
A $1,242,000 home here costs
$8,665per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $6,385. The real number is $2,280 higher every month — 36% 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.
Isla Vista against Santa Barbara County and California
| Measure | Isla Vista | Santa Barbara County |
|---|---|---|
| Median home value | $1,241,700 | $735,700 |
| Median property tax | — | $4,870 |
| Effective tax rate | 0.662% | 0.662% |
| Median gross rent | $1,856 | $2,050 |
| Population | 13,717 | 443,975 |
The weather behind that power bill
Isla Vista sits in Santa Barbara County, which averages a high of 93.2°F in its hottest month and a low of 33.4°F in its coldest, with 21.13" of precipitation a year and 65% of it in a single three-month stretch. That climate drives 657 cooling and 2,432 heating degree days, which is what sets the $299 electricity line above.
See the full climate breakdown for Santa Barbara County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Santa Barbara County
Full Santa Barbara County cost breakdown · Every county in California
Common questions
How much does it cost to own a home in Isla Vista?
A $1,242,000 home in Isla Vista, California costs approximately $8,665 per month with 20% down at 6.66%. That is $6,385 principal and interest, $685 property tax, $193 homeowners insurance, $367 utilities and $1,035 set aside for maintenance.
What is the property tax rate in Isla Vista?
Place-level tax data is not published for Isla Vista, so the Santa Barbara County rate of 0.662% applies here.
What is the average home price in Isla Vista?
The median owner-occupied home value in Isla Vista, California is $1,241,700, against $735,700 across Santa Barbara County.
Is it cheaper to rent or buy in Isla Vista?
Median gross rent in Isla Vista is $1,856 a month, against $8,665 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 Isla Vista — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for California.
- 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.