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PINELLAS COUNTY
Tampa Bay · City guide

Treasure Island, Florida: Homebuying and Investing Guide

Houses in Treasure Island run about $775,000 today, up 1.5% in a year. Below: the numbers, rules and risks for buyers and investors.

Illustration: Pinellas County scenery near Treasure Island
Illustration

Treasure Island today

Typical house value$775,000Zillow single family home value, Sep 2026
Change, past 12 months+1.5%Florida −0.9%
Average home insurance$4,063/yrState average with wind, by county

What this means

Home values here climbed 1.5% in a year.

Permits January to September 2026: 35 homes, 250% more than 2025.

$199k$465k$731k$997k201620182020202220242026
Treasure Island Florida. Zillow Home Value Index (single family), March and September of each year. Typical house value in Treasure Island: $430,632 in Mar 2016, $775,021 in Sep 2026; Florida $204,709 to $396,809.

Treat these as area figures and confirm rent with comps. Sources and method: how these figures are built.

Quick facts

Treasure Islandvs Pinellas Countyvs Florida
Population6,397 (2025 estimate)
Growth since 2020-2.8%-1.7 pts-11.7 pts
Median home value$621,60075% higher73% higher
Median gross rent$1,6311% lower2% lower
Median household income$87,10720% higher17% higher
Owner occupied homes74.4%+4.9 pts+6.8 pts
Residents 65 and older43.4%+17.0 pts+22.1 pts
Average commute (minutes)3226% higher14% higher
Homes built 2010 or later3%-2.8 pts-11.2 pts
Median property tax paid$5,183109% higher90% higher

Census survey figures are 2020 to 2024 averages; methods.

Living in Treasure Island

Pinellas barrier island city on the Gulf, incorporated in 1955 and largely built on dredged fill after World War II.

Treasure Island is a city with its own government, located in Pinellas County.

Known for: John's Pass; Isle of Palms; Isle of Capri

Development and roads: Homes and hotels went up quickly in the 1950s along Boca Ciega Bay.

Compared with Pinellas County as a whole, homes are pricier than the county median ($621,600 vs $355,100); more homes are seasonal or vacation homes (28.8% vs 9.2%); the population is older (43.4% age 65 or older vs 26.4%) and households are smaller (1.70 vs 2.20 people).

If you like the numbers here, also look at St. Augustine Beach ($634,400, $1,807), Fort Myers Beach ($642,400, $1,836), Marathon ($725,800, $1,633).

Growth and housing

Population went from 6,578 in 2020 to 6,397 in 2025 (-2.8%), versus -1.1% for Pinellas County.

2025 building permitsTreasure Island
Single family30
5 or more units0
Total units32
Per 1,000 residents5.0

The typical home here was built around 1970. Apartments and condos make up a large share: 43.2% of homes are in buildings of five or more units. Households average 1.70 people.

Out of state arrivals: 3.4% of residents a year, versus 3.3% countywide.

Risks to price in

Risk itemDetail
County average homeowners insurance with wind$4,063 a year
Coastal countycheck flood zone and elevation per address

75.3% of homes predate 1980: expect four point inspections. Inspections

Large buildings hold 21.1% of homes here; read the reserve study before buying a condo. Condo financing

Flood, storms and jobs

The city earned Community Rating System class 6; federal flood policies in its high risk zones cost 20% less. Insured homes in the city filed 2,157 flood claims since 2000, with $284,606,704 paid. Countywide, 1.2% of homes sit in a FEMA high risk zone; the Pinellas County guide has the full flood, storm and jobs picture.

Buying a home in Treasure Island

2026 loan limits (county)Amount
FHA, one unit$541,287
Conforming, one unit$832,750
Median home value here$621,600

Homes cost 7.1 times median household income here (Pinellas County 4.9, Florida 4.8).

  • Conventional: mortgage insurance drops off as equity builds.
  • VA: veterans are 10.5% of adults.

Investing in Treasure Island

Long term rentals

Treasure Islandvs Pinellas County
Renter occupied homes25.6%-4.9 pts
Rental vacancy23.8%+14.7 pts
Rent as share of renter income32.8%-2.2 pts

Short term rentals

With 28.8% of homes kept for seasonal use, Treasure Island is a true vacation market.

Short term rental taxesRate
County tourist development tax6%
State sales tax6% plus any county surtax

Get the zoning and HOA answer in writing before you count on nightly income. State rules

Property types

Housing stockShare
Single family detached35.7%
Buildings with 5+ units43.2%
Manufactured homes0.8%

Nearby

Other Florida markets

Sources

  1. U.S. Census Bureau, American Community Survey 2020 to 2024 5 year estimates. 2020 to 2024.
  2. U.S. Census Bureau, Population Estimates, Vintage 2025. July 1, 2025.
  3. U.S. Census Bureau, Building Permits Survey, 2025 annual. 2025.
  4. FFIEC HMDA Data Browser, originated loans. 2025 and 2024.
  5. LendingTree: 2026 FHA loan limits in Florida by county (HUD figures). 2026.
  6. Florida Realtors: FHFA sets 2026 conforming loan limits. 2026.
  7. Florida Office of Economic and Demographic Research: 2026 local option tourist tax rates. 2026.
  8. Florida Office of Insurance Regulation, July 2026 Insurance Stability Unit report (average homeowners premium with wind, as of March 31, 2026). March 31, 2026.
  9. Freddie Mac Primary Mortgage Market Survey. week of October 22, 2026.
  10. Wikipedia: List of counties in Florida. checked October 2026.
  11. U.S. Census Bureau county adjacency file. 2024.
  12. Wikipedia county article and statewide lists (colleges, teams, airports); Florida Defense Support Task Force installation map. checked October 2026.
  13. Wikipedia article for this place (history, setting, roads). checked October 2026.
  14. Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted. September 2026.
  15. Federal Housing Finance Agency House Price Index (county annual, metro and state quarterly, all transactions). through Q2 2026.
  16. U.S. Census Bureau, Building Permits Survey, January to September 2026 and 2025. September 2026.
  17. FEMA OpenFEMA, NFIP Residential Penetration Rates. as of August 2026.
  18. FEMA OpenFEMA, FIMA NFIP Redacted Claims (2000 to 2026). as of September 2026.
  19. FEMA OpenFEMA, NFIP Community Status Book (Community Rating System class). August 2026.
  20. FEMA OpenFEMA, Disaster Declarations Summaries (2000 to 2026). October 2026.
  21. U.S. Census Bureau, County Business Patterns 2023. 2023.
  22. U.S. Census Bureau, ACS 2020 to 2024, median gross rent by bedrooms (B25031). 2020 to 2024.
  23. Hurricane landfalls: Wikipedia, List of Florida hurricanes (2000 to present). checked October 2026.

Estimates from public data; they change over time. General information, not investment, tax or legal advice, and not a loan offer. Methods and assumptions.

Talk it through with Dane.

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