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Zero Lot Line (Residential)Residential
$690,464$421 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $720,000 on May 18, 2022

21992 ALTONA DR

BOCA RATON, FL 33428
4
Beds
3
Baths
1,640 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.
1995
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$690K
$662K low$719K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$720,000 · May 18, 2022
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$367,464
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$293,971
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.45%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$323,000
FUNDLOANS CAPITAL · recorded Jun 27, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,706 (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.$571,177 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$206,792
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$364,385
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$568,041
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$571,177

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.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.minimal

Scores 0–100; higher = greater projected risk.

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.2012
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.Tile
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 · 374 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
Waters Edge Elementary SchoolA+
Elementary · Grades KG–5 · 0.4 mi
H
West Boca Raton Community High SchoolB
High · Grades 9–12 · 1.0 mi
M
Loggers' Run Community Middle SchoolA+
Middle · Grades 6–8 · 1.3 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

21992 Altona 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.

  • Worth more than 74% of homes in Boca Raton 33428
  • Costs more per square foot than 97% of homes in Boca Raton 33428
  • Smaller than 82% of homes in Boca Winds
  • Has a smaller lot than 74% of homes in Boca Winds
  • Newer than 86% of homes in Boca Winds

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
$141K$1.3M

This home is worth more than 74% 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$690,464
CheaperTypical $485,174Pricier

Pricier than 74% of homes nearby

Price per ft²$421
CheaperTypical $299Pricier

Pricier than 97% of homes nearby

Living area1,640 ft²
SmallerTypical 1,516 ft²Bigger

Bigger than 57% of homes nearby

Lot size0.15 ac
SmallerTypical 0.19 acBigger

Bigger than 37% of homes nearby

Year built1995
OlderTypical 1984Newer

Newer than 84% of homes nearby

How 21992 Altona Dr ranks against every home in each area.
MeasureThis homeBoca WindsBoca Raton 33428Palm Beach County
Estimated valuepricier than$690,46437% of homes74% of homes72% of homes
Price per ft²pricier than$42195% of homes97% of homes80% of homes
Living areabigger than1,640 ft²18% of homes57% of homes55% of homes
Lot sizebigger than0.15 ac26% of homes37% of homes31% of homes
Year builtnewer than199586% of homes84% of homes70% of homes

About 21992 Altona Dr

How much is 21992 Altona Dr, Boca Raton, FL worth?

The TopHap Estimate for 21992 Altona Dr, Boca Raton, FL is $690,464 as of Jul 14, 2026. The likely range is $662,086 to $718,842. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21992 Altona Dr, Boca Raton, FL last sell?

21992 Altona Dr, Boca Raton, FL last sold on May 18, 2022 for $720,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21992 Altona Dr, Boca Raton, FL?

21992 Altona Dr, Boca Raton, FL has 4 bedrooms, 3 bathrooms, 1,640 square feet of living space and a 0.15-acre lot.

When was 21992 Altona Dr, Boca Raton, FL built?

21992 Altona Dr, Boca Raton, FL was built in 1995, making it 31 years old. The building has 1 story.

What schools serve 21992 Altona Dr, Boca Raton, FL?

21992 Altona Dr, Boca Raton, FL is assigned to Waters Edge Elementary School (elementary), rated A+; West Boca Raton Community High School (high), rated B; Loggers' Run Community 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 21992 Altona 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 74% of them ($690,464 against a typical $485,174), its price per square foot is higher than 97% of them ($421 against a typical $299), it is bigger than 57% of them (1,640 ft² against a typical 1,516 ft²), its lot is bigger than 37% of them (0.15 ac against a typical 0.19 ac) and it is newer than 84% of them (1995 against a typical 1984). Measured against all of Palm Beach County, it is worth more than 72% 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 21992 Altona Dr, Boca Raton, FL?

The 2025 property tax bill for 21992 Altona Dr, Boca Raton, FL was $9,706. The county assessed it at $571,177.

Closest homes

More homes in Boca Raton 33428

Assigned schools

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