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Zero Lot Line (Residential)Residential
$474,636$340 / 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 87How 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 $88,900 on Jun 1, 1986

21557 YELLOWSTONE PARK DR

BOCA RATON, FL 33428
3
Beds
2
Baths
1,394 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$475K
$411K low$538K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$88,900 · Jun 1, 1986

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,976 (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.$133,716 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$129,948
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$384,903

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Zero Lot Line (Residential)
CountyPalm Beach
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.0.15
ConstructionThe main material the home's frame and walls are built from.Concrete Blocks
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
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 · 184 ft²

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

H
Olympic Heights Community High SchoolB
High · Grades 9–12 · 1.4 mi
E
Sandpiper Shores Elementary SchoolA-
Elementary · Grades KG–5 · 1.7 mi
M
Eagles Landing Middle SchoolA
Middle · Grades 6–8 · 2.6 mi

District: Palm Beach County School District

Neighborhood · ZIP 33428These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.42,415
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,748 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,424
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$120,512
Average tempThe average temperature here across a full year.75°F
Annual precipHow much rain and melted snow falls here in a typical year.62 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

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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

21557 Yellowstone Park 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.

  • Costs more per square foot than 73% of homes in Boca Raton 33428
  • Has a smaller lot than 72% of homes in Palm Beach County

What homes are worth in Boca Raton 33428

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

This home
$143K$1.3M

This home is worth more than 50% of homes in Boca Raton 33428.

How it measures up in Boca Raton 33428

The dot is this home. The mark in the middle is the typical home in Boca Raton 33428.

Estimated value$474,636
CheaperTypical $475,958Pricier

Pricier than 50% of homes nearby

Price per ft²$340
CheaperTypical $297Pricier

Pricier than 73% of homes nearby

Living area1,394 ft²
SmallerTypical 1,522 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.15 ac
SmallerTypical 0.19 acBigger

Bigger than 35% of homes nearby

Year built1986
OlderTypical 1984Newer

Newer than 62% of homes nearby

How 21557 Yellowstone Park Dr ranks against every home in each area.
MeasureThis homeRainberryBoca Raton 33428Palm Beach County
Estimated valuepricier than$474,63642% of homes50% of homes51% of homes
Price per ft²pricier than$34049% of homes73% of homes66% of homes
Living areabigger than1,394 ft²46% of homes39% of homes40% of homes
Lot sizebigger than0.15 ac51% of homes35% of homes28% of homes
Year builtnewer than198651% of homes62% of homes54% of homes

About 21557 Yellowstone Park Dr

How much is 21557 Yellowstone Park Dr, Boca Raton, FL worth?

The TopHap Estimate for 21557 Yellowstone Park Dr, Boca Raton, FL is $474,636 as of Aug 30, 2026. The likely range is $411,463 to $537,809. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21557 Yellowstone Park Dr, Boca Raton, FL last sell?

21557 Yellowstone Park Dr, Boca Raton, FL last sold on Jun 1, 1986 for $88,900, according to the county's recorded deed.

How big is 21557 Yellowstone Park Dr, Boca Raton, FL?

21557 Yellowstone Park Dr, Boca Raton, FL has 3 bedrooms, 2 bathrooms, 1,394 square feet of living space and a 0.15-acre lot.

When was 21557 Yellowstone Park Dr, Boca Raton, FL built?

21557 Yellowstone Park Dr, Boca Raton, FL was built in 1986, making it 40 years old. The building has 1 story.

What schools serve 21557 Yellowstone Park Dr, Boca Raton, FL?

21557 Yellowstone Park Dr, Boca Raton, FL is assigned to Olympic Heights Community High School (high), rated B; Sandpiper Shores Elementary School (elementary), rated A-; Eagles Landing Middle School (middle), rated A. All sit in Palm Beach County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21557 Yellowstone Park Dr, Boca Raton, FL compare to other homes in Boca Raton 33428?

Among the 14,662 homes in Boca Raton 33428, it is worth more than 50% of them ($474,636 against a typical $475,958), its price per square foot is higher than 73% of them ($340 against a typical $297), it is bigger than 39% of them (1,394 ft² against a typical 1,522 ft²), its lot is bigger than 35% of them (0.15 ac against a typical 0.19 ac) and it is newer than 62% of them (1986 against a typical 1984). Measured against all of Palm Beach County, it is worth more than 51% of 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 21557 Yellowstone Park Dr, Boca Raton, FL?

The 2025 property tax bill for 21557 Yellowstone Park Dr, Boca Raton, FL was $1,976. The county assessed it at $133,716.

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