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Single Family ResidenceResidential
$2,264,796$509 / 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 82How 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 $485,000 on Aug 25, 2020

21730 FRONTENAC CT

BOCA RATON, FL 33433
4
Beds
4
Baths
4,449 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$2.3M
$1.8M low$2.7M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$485,000 · Aug 25, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,277 (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.$695,318 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$632,107
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,288,974

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.1998
Lot (acres)The size of the land the home sits on, from county records.0.43
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Concrete
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 832 ft²Porch · 391 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
Del Prado Elementary SchoolA+
Elementary · Grades KG–5 · 0.9 mi
H
Spanish River Community High SchoolA-
High · Grades 9–12 · 2.5 mi
M
Omni Middle SchoolA
Middle · Grades 6–8 · 2.6 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%

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

21730 Frontenac Ct 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 98% of homes in Boca Raton 33433
  • Costs more per square foot than 94% of homes in Boca Raton 33433
  • Bigger than 98% of homes in Boca Raton 33433
  • Has a bigger lot than 73% of homes in Boca Grove Plantation
  • Newer than 84% of homes in Boca Raton 33433

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
$216K$2.4M

This home is worth more than 98% 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$2,264,796
CheaperTypical $514,804Pricier

Pricier than 98% of homes nearby

Price per ft²$509
CheaperTypical $303Pricier

Pricier than 94% of homes nearby

Living area4,449 ft²
SmallerTypical 1,628 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.43 ac
SmallerTypical 0.21 acBigger

Bigger than 62% of homes nearby

Year built1989
OlderTypical 1985Newer

Newer than 84% of homes nearby

How 21730 Frontenac Ct ranks against every home in each area.
MeasureThis homeBoca Grove PlantationBoca Raton 33433Palm Beach County
Estimated valuepricier than$2,264,79662% of homes98% of homes95% of homes
Price per ft²pricier than$50955% of homes94% of homes87% of homes
Living areabigger than4,449 ft²71% of homes98% of homes97% of homes
Lot sizebigger than0.43 ac73% of homes62% of homes67% of homes
Year builtnewer than198967% of homes84% of homes61% of homes

About 21730 Frontenac Ct

How much is 21730 Frontenac Ct, Boca Raton, FL worth?

The TopHap Estimate for 21730 Frontenac Ct, Boca Raton, FL is $2,264,796 as of Jul 14, 2026. The likely range is $1,849,448 to $2,680,144. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21730 Frontenac Ct, Boca Raton, FL last sell?

21730 Frontenac Ct, Boca Raton, FL last sold on Aug 25, 2020 for $485,000, according to the county's recorded deed.

How big is 21730 Frontenac Ct, Boca Raton, FL?

21730 Frontenac Ct, Boca Raton, FL has 4 bedrooms, 4 bathrooms, 4,449 square feet of living space and a 0.43-acre lot.

When was 21730 Frontenac Ct, Boca Raton, FL built?

21730 Frontenac Ct, Boca Raton, FL was built in 1989, making it 37 years old. The building has 1 story.

What schools serve 21730 Frontenac Ct, Boca Raton, FL?

21730 Frontenac Ct, Boca Raton, FL is assigned to Del Prado Elementary School (elementary), rated A+; Spanish River Community High School (high), rated A-; Omni 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 21730 Frontenac Ct, Boca Raton, FL compare to other homes in Boca Raton 33433?

Among the 18,167 homes in Boca Raton 33433, it is worth more than 98% of them ($2,264,796 against a typical $514,804), its price per square foot is higher than 94% of them ($509 against a typical $303), it is bigger than 98% of them (4,449 ft² against a typical 1,628 ft²), its lot is bigger than 62% of them (0.43 ac against a typical 0.21 ac) and it is newer than 84% of them (1989 against a typical 1985). Measured against all of Palm Beach County, it is worth more than 95% 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 21730 Frontenac Ct, Boca Raton, FL?

The 2025 property tax bill for 21730 Frontenac Ct, Boca Raton, FL was $16,277. The county assessed it at $695,318.

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