Total monthly cost of ownership
Cost to Own a Home in Treasure Island, Florida
A $574,000 home here costs
$4,405per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $2,951. The real number is $1,454 higher every month — 49% 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.
Treasure Island against Pinellas County and Florida
| Measure | Treasure Island | Pinellas County |
|---|---|---|
| Median home value | $573,500 | $319,000 |
| Median property tax | $5,089 | $2,324 |
| Effective tax rate | 0.887% | 0.729% |
| Median gross rent | $1,496 | $1,525 |
| Population | 6,568 | 960,565 |
The weather behind that power bill
Treasure Island sits in Pinellas County, which averages a high of 90.6°F in its hottest month and a low of 52.5°F in its coldest, with 53.62" of precipitation a year and 51% of it in a single three-month stretch. That climate drives 3,701 cooling and 447 heating degree days, which is what sets the $136 electricity line above.
See the full climate breakdown for Pinellas County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Pinellas County
Full Pinellas County cost breakdown · Every county in Florida
Common questions
How much does it cost to own a home in Treasure Island?
A $574,000 home in Treasure Island, Florida costs approximately $4,405 per month with 20% down at 6.66%. That is $2,951 principal and interest, $424 property tax, $347 homeowners insurance, $204 utilities and $478 set aside for maintenance.
What is the property tax rate in Treasure Island?
Treasure Island has an effective property tax rate of 0.887%, based on a median home value of $573,500 and median real estate taxes of $5,089. That is higher than the Pinellas County average of 0.729%.
What is the average home price in Treasure Island?
The median owner-occupied home value in Treasure Island, Florida is $573,500, against $319,000 across Pinellas County.
Is it cheaper to rent or buy in Treasure Island?
Median gross rent in Treasure Island is $1,496 a month, against $4,405 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 Treasure Island — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Florida.
- 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.