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Single Family ResidenceResidential
$3,013,618$1,698 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $725,000 on Jul 27, 2015

340 TARPON AVE

BOCA GRANDE, FL 33921
3
Beds
2
Baths
1,775 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1936
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$3M
$2.7M low$3.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$725,000 · Jul 27, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,187 (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.$1,356,112 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$919,484
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$436,628
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,570,304
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,356,112

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.97 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.98%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Cottage
CountyLEE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2000
Lot (acres)The size of the land the home sits on, from county records.0.11
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 56 ft²

Transaction History(4)

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

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

E
The Island SchoolA
Elementary · Grades KG–5 · 0.3 mi
H
Mariner High SchoolD+
High · Grades 9–12 · 16.8 mi
M
The Sanibel SchoolA+
Middle · Grades KG–8 · 22.6 mi

District: Lee County School District

Neighborhood · ZIP 33921These 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.167
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.16

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.46%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.1,097
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.89 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$138,809
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$160,010
Average tempThe average temperature here across a full year.73°F
Annual precipHow much rain and melted snow falls here in a typical year.53 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

Owner Tools

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

How this home compares

340 Tarpon Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Among the most valuable homes in Lee County
  • Among the highest price per square foot in Lee County
  • Smaller than 67% of homes in Boca Grande 33921
  • Has a smaller lot than 91% of homes in Lee County
  • Among the oldest homes in Lee County

What homes are worth in Boca Grande 33921

Each bar is how many homes fall in that price range. The marker is this home.

This home
$624K$10M

This home is worth more than 48% of homes in Boca Grande 33921.

How it measures up in Boca Grande 33921

The dot is this home. The mark in the middle is the typical home in Boca Grande 33921.

Estimated value$3,013,618
CheaperTypical $3,168,293Pricier

Pricier than 48% of homes nearby

Price per ft²$1698
CheaperTypical $1270Pricier

Pricier than 83% of homes nearby

Living area1,775 ft²
SmallerTypical 2,436 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.11 ac
SmallerTypical 0.19 acBigger

Bigger than 33% of homes nearby

Year built1936
OlderTypical 1987Newer

Newer than 5% of homes nearby

How 340 Tarpon Ave ranks against every home in each area.
MeasureThis homeBoca Grande 33921Lee County
Estimated valuepricier than$3,013,61848% of homesalmost all homes
Price per ft²pricier than$169883% of homesalmost all homes
Living areabigger than1,775 ft²33% of homes48% of homes
Lot sizebigger than0.11 ac33% of homes9% of homes
Year builtnewer than19365% of homesalmost no homes

About 340 Tarpon Ave

How much is 340 Tarpon Ave, Boca Grande, FL worth?

The TopHap Estimate for 340 Tarpon Ave, Boca Grande, FL is $3,013,618 as of Oct 21, 2026. The likely range is $2,724,574 to $3,302,662. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 340 Tarpon Ave, Boca Grande, FL last sell?

340 Tarpon Ave, Boca Grande, FL last sold on Jul 27, 2015 for $725,000, according to the county's recorded deed.

How big is 340 Tarpon Ave, Boca Grande, FL?

340 Tarpon Ave, Boca Grande, FL has 3 bedrooms, 2 bathrooms, 1,775 square feet of living space and a 0.11-acre lot.

When was 340 Tarpon Ave, Boca Grande, FL built?

340 Tarpon Ave, Boca Grande, FL was built in 1936, making it 90 years old. It is a cottage home. The building has 1 story.

What schools serve 340 Tarpon Ave, Boca Grande, FL?

340 Tarpon Ave, Boca Grande, FL is assigned to The Island School (elementary), rated A; Mariner High School (high), rated D+; The Sanibel School (middle), rated A+. All sit in Lee County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 340 Tarpon Ave, Boca Grande, FL compare to other homes in Boca Grande 33921?

Among the 1,716 homes in Boca Grande 33921, it is worth more than 48% of them ($3,013,618 against a typical $3,168,293), its price per square foot is higher than 83% of them ($1698 against a typical $1270), it is bigger than 33% of them (1,775 ft² against a typical 2,436 ft²), its lot is bigger than 33% of them (0.11 ac against a typical 0.19 ac) and it is newer than 5% of them (1936 against a typical 1987). Measured against all of Lee County, it is worth more than almost all homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 340 Tarpon Ave, Boca Grande, FL?

The 2025 property tax bill for 340 Tarpon Ave, Boca Grande, FL was $20,187. The county assessed it at $1,356,112.

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