Cost to Own
United StatesFloridaSarasota CountyLongboat Key Population 7,512 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Longboat Key, Florida

A $959,000 home here costs

$7,184

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $4,930. The real number is $2,253 higher every month — 46% more than the payment most buyers budget for.

Longboat Key median: $959,200
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $767,200 borrowed $4,930
Property tax0.839% effective rate for Longboat Key itself $671
Homeowners insuranceFlorida averages $2,437/yr (NAIC), or 0.725% of home value $579
Electricity15.17¢/kWh — Florida residential average, EIA $136
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $799
Total monthly $7,184

Longboat Key against Sarasota County and Florida

MeasureLongboat KeySarasota County
Median home value$959,200$373,100
Median property tax$8,048$2,826
Effective tax rate0.839%0.757%
Median gross rent$2,969$1,715
Population7,512449,011

Longboat Key extends across 2 counties. Figures here use Sarasota County, where most of its housing sits.

The weather behind that power bill

Longboat Key sits in Sarasota County, which averages a high of 92.5°F in its hottest month and a low of 50.0°F in its coldest, with 61.07" of precipitation a year and 49% of it in a single three-month stretch. That climate drives 3,581 cooling and 417 heating degree days, which is what sets the $136 electricity line above.

See the full climate breakdown for Sarasota County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Sarasota County

Full Sarasota County cost breakdown · Every county in Florida

Common questions

How much does it cost to own a home in Longboat Key?

A $959,000 home in Longboat Key, Florida costs approximately $7,184 per month with 20% down at 6.66%. That is $4,930 principal and interest, $671 property tax, $579 homeowners insurance, $204 utilities and $799 set aside for maintenance.

What is the property tax rate in Longboat Key?

Longboat Key has an effective property tax rate of 0.839%, based on a median home value of $959,200 and median real estate taxes of $8,048. That is higher than the Sarasota County average of 0.757%.

What is the average home price in Longboat Key?

The median owner-occupied home value in Longboat Key, Florida is $959,200, against $373,100 across Sarasota County.

Is it cheaper to rent or buy in Longboat Key?

Median gross rent in Longboat Key is $2,969 a month, against $7,184 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 Longboat Key — 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.

Full methodology