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CondominiumResidential
Last sold for $1,750,000 on Nov 5, 2025

11605 1ST ST E

TREASURE ISLAND, FL 33706
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
Built 20252 units2,592–2,592 ft²
$5.6M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$2.8M
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$1073
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+133.8%vs the Saint Petersburg ZIP median sale $/ft² ($459)

Sales Performance

$1.7M
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
2
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
100.0%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
1999200020052014202220252026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
1999200020052014202220252026

8 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

5 bed
2 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
5 bd · 4 ba · 2,592 ft²
2 units

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.0%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.100%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.63.5 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.67%
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit B1Aug 3, 2026$1,690,000BuildingNov 5, 2025$1,750,000BuildingFeb 8, 2022$1,200,000BuildingAug 27, 2014$420,000BuildingFeb 18, 2005$805,000BuildingJun 8, 2000$410,000BuildingNov 2, 1999$236,000BuildingAug 11, 1999$349,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Pre-foreclosure (LIS)A foreclosure notice on this home is currently active. Many are worked out before any auction happens.
A foreclosure-related notice has been recorded for this property.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,744 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$1,011,687 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,011,687
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,011,687

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.53
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
97
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
61
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
7
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.92 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.99%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyPinellas
Lot (acres)The size of the land the home sits on, from county records.0.46
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 416 ft²

Transaction History(10)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Azalea Middle SchoolD+
Middle · Grades 6–8 · 2.1 mi
E
Azalea ElementaryB-
Elementary · Grades PK–5 · 2.2 mi
H
Boca Ciega High SchoolC-
High · Grades 9–12 · 4.0 mi

District: Pinellas County School District

Neighborhood · ZIP 33706These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.147
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.66%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.15,317
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,539 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,285
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,751
Average tempThe average temperature here across a full year.73°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

11605 1st St E
10 ba · 3,592 ft²
11605 1st St E # B1
5 bd · 4 ba · 2,592 ft²
$1.7M
11605 1st St E # A2
5 bd · 4 ba · 2,592 ft²
$3.9M

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 11605 1st St

How many units are in 11605 1st St, Treasure Island, FL?

11605 1st St, Treasure Island, FL has 2 residential units across built in 2025, according to county assessor records.

What is a unit at 11605 1st St, Treasure Island, FL worth?

The median TopHap Estimate across the 2 units at 11605 1st St, Treasure Island, FL is $2,781,592. That works out to $1073 per square foot. Units run from 2,592 to 2,592 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 11605 1st St, Treasure Island, FL expensive for Saint Petersburg?

Units at 11605 1st St, Treasure Island, FL carry a median of $1073 per square foot, 134% above the Saint Petersburg median of $459 per square foot.

How often do units sell at 11605 1st St, Treasure Island, FL?

2 units at 11605 1st St, Treasure Island, FL sold in the last 12 months, out of 8 recorded arms-length sales all time. That is a turnover rate of 100.0% of the building per year. The median sale over that period was $1.7M.

Have units at 11605 1st St, Treasure Island, FL appreciated?

Across 4 repeat sales of the same unit, 11605 1st St, Treasure Island, FL returned a median 12.9% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 6.1 years.

What floor plans does 11605 1st St, Treasure Island, FL have?

The most common plan at 11605 1st St, Treasure Island, FL is a 5-bedroom of 2,592 square feet, repeated 2 times, with a median estimate of $2,781,592. TopHap identifies 1 recurring plans in the building.

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