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TownhouseResidential
$623,313$382 / 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 84How 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 $99,500 on Feb 1, 1982

21707 ALTAMIRA AVE

BOCA RATON, FL 33433
3
Beds
2
Baths
1,630 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.
4,195 ft²
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.

Valuation

$623K
$526K low$720K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$99,500 · Feb 1, 1982

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,333 (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.$413,538 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$413,538
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$432,516
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$413,538

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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Townhouse
CountyPalm Beach
Lot (acres)The size of the land the home sits on, from county records.0.10
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
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 · 50 ft²

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

E
Verde K-8 SchoolA
Elementary · Grades KG–8 · 0.6 mi
H
Spanish River Community High SchoolA-
High · Grades 9–12 · 3.0 mi

District: Palm Beach County School District

Neighborhood · ZIP 33433These 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.96
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 100.13

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.48,131
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,040 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,350
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,802
Average tempThe average temperature here across a full year.75°F
Annual precipHow much rain and melted snow falls here in a typical year.61 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

21707 Altamira 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.

  • Worth more than 65% of homes in Palm Beach County
  • Costs more per square foot than 80% of homes in Boca Raton 33433
  • Has a smaller lot than 87% of homes in Palm Beach County
  • Older than 75% of homes in Palmetto Circle North

What homes are worth in Boca Raton 33433

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

This home
$209K$2.2M

This home is worth more than 64% of homes in Boca Raton 33433.

How it measures up in Boca Raton 33433

The dot is this home. The mark in the middle is the typical home in Boca Raton 33433.

Estimated value$623,313
CheaperTypical $508,118Pricier

Pricier than 64% of homes nearby

Price per ft²$382
CheaperTypical $302Pricier

Pricier than 80% of homes nearby

Living area1,630 ft²
SmallerTypical 1,628 ft²Bigger

Bigger than 50% of homes nearby

Lot size4,195 ft²
SmallerTypical 0.21 acBigger

Bigger than 18% of homes nearby

Year built1980
OlderTypical 1985Newer

Newer than 28% of homes nearby

How 21707 Altamira Ave ranks against every home in each area.
MeasureThis homePalmetto Circle NorthBoca Raton 33433Palm Beach County
Estimated valuepricier than$623,31348% of homes64% of homes65% of homes
Price per ft²pricier than$38257% of homes80% of homes74% of homes
Living areabigger than1,630 ft²56% of homes50% of homes54% of homes
Lot sizebigger than4,195 ft²30% of homes18% of homes13% of homes
Year builtnewer than198025% of homes28% of homes37% of homes

About 21707 Altamira Ave

How much is 21707 Altamira Ave, Boca Raton, FL worth?

The TopHap Estimate for 21707 Altamira Ave, Boca Raton, FL is $623,313 as of Jul 14, 2026. The likely range is $526,372 to $720,254. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21707 Altamira Ave, Boca Raton, FL last sell?

21707 Altamira Ave, Boca Raton, FL last sold on Feb 1, 1982 for $99,500, according to the county's recorded deed.

How big is 21707 Altamira Ave, Boca Raton, FL?

21707 Altamira Ave, Boca Raton, FL has 3 bedrooms, 2 bathrooms, 1,630 square feet of living space and a 0.10-acre lot.

When was 21707 Altamira Ave, Boca Raton, FL built?

21707 Altamira Ave, Boca Raton, FL was built in 1980, making it 46 years old.

What schools serve 21707 Altamira Ave, Boca Raton, FL?

21707 Altamira Ave, Boca Raton, FL is assigned to Verde K-8 School (elementary), rated A; Spanish River Community High School (high), rated A-. All sit in Palm Beach County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21707 Altamira Ave, Boca Raton, FL compare to other homes in Boca Raton 33433?

Among the 18,166 homes in Boca Raton 33433, it is worth more than 64% of them ($623,313 against a typical $508,118), its price per square foot is higher than 80% of them ($382 against a typical $302), it is bigger than 50% of them (1,630 ft² against a typical 1,628 ft²), its lot is bigger than 18% of them (4,195 ft² against a typical 0.21 ac) and it is newer than 28% of them (1980 against a typical 1985). Measured against all of Palm Beach County, it is worth more than 65% 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 21707 Altamira Ave, Boca Raton, FL?

The 2025 property tax bill for 21707 Altamira Ave, Boca Raton, FL was $7,333. The county assessed it at $413,538.

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