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Single Family ResidenceResidential
$9,999,999$1,356 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $13,000,000 on Jan 26, 2018

121 GILCHRIST AVE

BOCA GRANDE, FL 33921
6
Beds
5
Baths
7,373 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1927
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$10M
$10M low$10M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$13,000,000 · Jan 26, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$165,764 (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.$11,711,320 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,949,716
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$3,761,604
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$13,077,909
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$11,711,320

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.61 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 coastal 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.1994
Lot (acres)The size of the land the home sits on, from county records.1.00
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
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
ViewThe type of view from the property, or another feature of the site that affects value.Gulf
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 2,450 ft²Porch · 1,861 ft²SprinklersOutdoor kitchen

Transaction History(1)

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 · 0.1 mi
H
Mariner High SchoolD+
High · Grades 9–12 · 16.9 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%

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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

121 Gilchrist 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 Boca Grande 33921
  • Among the highest price per square foot in Lee County
  • Among the largest homes in Lee County
  • Has a bigger lot than 97% 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
$600K$10M

This home is worth more than almost all 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$9,999,999
CheaperTypical $3,081,512Pricier

Pricier than almost all homes nearby

Price per ft²$1356
CheaperTypical $1237Pricier

Pricier than 62% of homes nearby

Living area7,373 ft²
SmallerTypical 2,435 ft²Bigger

Bigger than 98% of homes nearby

Lot size1 ac
SmallerTypical 0.2 acBigger

Bigger than 94% of homes nearby

Year built1927
OlderTypical 1987Newer

Newer than 4% of homes nearby

How 121 Gilchrist Ave ranks against every home in each area.
MeasureThis homeBoca Grande 33921Lee County
Estimated valuepricier than$9,999,999almost all homesalmost all homes
Price per ft²pricier than$135662% of homesalmost all homes
Living areabigger than7,373 ft²98% of homesalmost all homes
Lot sizebigger than1 ac94% of homes97% of homes
Year builtnewer than19274% of homesalmost no homes

About 121 Gilchrist Ave

How much is 121 Gilchrist Ave, Boca Grande, FL worth?

The TopHap Estimate for 121 Gilchrist Ave, Boca Grande, FL is $9,999,999 as of Sep 24, 2026. The likely range is $9,999,999 to $9,999,999. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Gilchrist Ave, Boca Grande, FL last sell?

121 Gilchrist Ave, Boca Grande, FL last sold on Jan 26, 2018 for $13,000,000, according to the county's recorded deed.

How big is 121 Gilchrist Ave, Boca Grande, FL?

121 Gilchrist Ave, Boca Grande, FL has 6 bedrooms, 5 bathrooms, 7,373 square feet of living space and a 1.00-acre lot.

When was 121 Gilchrist Ave, Boca Grande, FL built?

121 Gilchrist Ave, Boca Grande, FL was built in 1927, making it 99 years old. It is a cottage home. The building has 1 story.

What schools serve 121 Gilchrist Ave, Boca Grande, FL?

121 Gilchrist 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 121 Gilchrist Ave, Boca Grande, FL compare to other homes in Boca Grande 33921?

Among the 1,711 homes in Boca Grande 33921, it is worth more than almost all of them ($9,999,999 against a typical $3,081,512), its price per square foot is higher than 62% of them ($1356 against a typical $1237), it is bigger than 98% of them (7,373 ft² against a typical 2,435 ft²), its lot is bigger than 94% of them (1 ac against a typical 0.2 ac) and it is newer than 4% of them (1927 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 121 Gilchrist Ave, Boca Grande, FL?

The 2025 property tax bill for 121 Gilchrist Ave, Boca Grande, FL was $165,764. The county assessed it at $11,711,320.

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