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Single Family ResidenceResidential
$8,222,423$2,945 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $4,950,000 on Aug 6, 2021

640 ROUNTREE DR

LONGBOAT KEY, FL 34228
5
Beds
6 / 1
Baths
2,792 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$8.2M
$7.3M low$9.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$4,950,000 · Aug 6, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$60,763 (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.$4,717,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,550,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,166,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$5,423,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$4,717,300

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.115 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.Single Family Residence
CountySarasota
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.2008
Lot (acres)The size of the land the home sits on, from county records.0.52
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Retaining Wall
RoofThe main material covering the roof, such as asphalt shingle or tile.Concrete
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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.Mixed
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.Water
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 24 ft²ElevatorPatio · 212 ft²Porch · 724 ft²Boat access

Transaction History(6)

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.

H
Booker High SchoolD+
High · Grades 9–12 · 6.0 mi
M
Booker Middle SchoolC+
Middle · Grades 6–8 · 7.0 mi
E
Southside Elementary SchoolA+
Elementary · Grades PK–5 · 8.4 mi

District: Sarasota County School District

Neighborhood · ZIP 34228These 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.172
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
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.44%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.4%
PopulationHow many people live in this area.4,416
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.612 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,733
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$191,301
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.67%

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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

640 Rountree Dr 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 Sarasota County
  • Among the highest price per square foot in Longboat Key 34228
  • Bigger than 93% of homes in Sarasota County
  • Has a bigger lot than 89% of homes in Sarasota County
  • Newer than 94% of homes in Longboat Key 34228

What homes are worth in Longboat Key 34228

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

This home
$364K$6.5M

This home is worth more than almost all homes in Longboat Key 34228.

How it measures up in Longboat Key 34228

The dot is this home. The mark in the middle is the typical home in Longboat Key 34228.

Estimated value$8,222,423
CheaperTypical $1,084,241Pricier

Pricier than almost all homes nearby

Price per ft²$2945
CheaperTypical $709Pricier

Pricier than almost all homes nearby

Living area2,792 ft²
SmallerTypical 1,503 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.52 ac
SmallerTypical 1.64 acBigger

Bigger than 38% of homes nearby

Year built2003
OlderTypical 1978Newer

Newer than 94% of homes nearby

How 640 Rountree Dr ranks against every home in each area.
MeasureThis homeLongboat Key 34228Sarasota County
Estimated valuepricier than$8,222,423almost all homesalmost all homes
Price per ft²pricier than$2945almost all homesalmost all homes
Living areabigger than2,792 ft²86% of homes93% of homes
Lot sizebigger than0.52 ac38% of homes89% of homes
Year builtnewer than200394% of homes70% of homes

About 640 Rountree Dr

How much is 640 Rountree Dr, Longboat Key, FL worth?

The TopHap Estimate for 640 Rountree Dr, Longboat Key, FL is $8,222,423 as of Aug 30, 2026. The likely range is $7,252,341 to $9,192,504. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Rountree Dr, Longboat Key, FL last sell?

640 Rountree Dr, Longboat Key, FL last sold on Aug 6, 2021 for $4,950,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 640 Rountree Dr, Longboat Key, FL?

640 Rountree Dr, Longboat Key, FL has 5 bedrooms, 6 bathrooms, 2,792 square feet of living space and a 0.52-acre lot.

When was 640 Rountree Dr, Longboat Key, FL built?

640 Rountree Dr, Longboat Key, FL was built in 2003, making it 23 years old. The building has 2 stories.

What schools serve 640 Rountree Dr, Longboat Key, FL?

640 Rountree Dr, Longboat Key, FL is assigned to Booker High School (high), rated D+; Booker Middle School (middle), rated C+; Southside Elementary School (elementary), rated A+. All sit in Sarasota County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 Rountree Dr, Longboat Key, FL compare to other homes in Longboat Key 34228?

Among the 8,678 homes in Longboat Key 34228, it is worth more than almost all of them ($8,222,423 against a typical $1,084,241), its price per square foot is higher than almost all of them ($2945 against a typical $709), it is bigger than 86% of them (2,792 ft² against a typical 1,503 ft²), its lot is bigger than 38% of them (0.52 ac against a typical 1.64 ac) and it is newer than 94% of them (2003 against a typical 1978). Measured against all of Sarasota 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 640 Rountree Dr, Longboat Key, FL?

The 2025 property tax bill for 640 Rountree Dr, Longboat Key, FL was $60,763. The county assessed it at $4,717,300.

More homes on Rountree Dr

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