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Single Family ResidenceResidential
$3,141,624$808 / 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 77How 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 $1,647,954 on Jul 21, 2023

20306 CASTLE STUART AVE

BOCA RATON, FL 33434
5
Beds
5
Baths
3,888 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
2023
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$3.1M
$2.4M low$3.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,647,954 · Jul 21, 2023
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.$1,855,138
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$1,484,110
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.40%
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.$1,286,486
TRUIST BANK · 6.02% 1 · recorded Jul 21, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,493 (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.$1,394,959 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$379,541
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,015,418
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,321,680
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,394,959

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.49
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
28
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
96
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
70
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
30
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.4 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyPalm Beach
Lot (acres)The size of the land the home sits on, from county records.0.16
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.BalconyPorch · 268 ft²

Transaction History(1)

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
Olympic Heights Community High SchoolB
High · Grades 9–12 · 0.6 mi
E
Sunrise Park Elementary SchoolA+
Elementary · Grades PK–5 · 3.1 mi
M
Eagles Landing Middle SchoolA
Middle · Grades 6–8 · 3.1 mi

District: Palm Beach County School District

Neighborhood · ZIP 33434These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.14

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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
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.0.7%
PopulationHow many people live in this area.22,545
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,994 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$85,409
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,907
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%

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

20306 Castle Stuart 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 98% of homes in Boca Raton 33434
  • Costs more per square foot than 98% of homes in Boca Raton 33434
  • Bigger than 96% of homes in Boca Raton 33434
  • Has a smaller lot than 91% of homes in Boca Raton 33434
  • Among the newest homes in Palm Beach County

What homes are worth in Boca Raton 33434

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

This home
$67K$3M

This home is worth more than 98% of homes in Boca Raton 33434.

How it measures up in Boca Raton 33434

The dot is this home. The mark in the middle is the typical home in Boca Raton 33434.

Estimated value$3,141,624
CheaperTypical $368,411Pricier

Pricier than 98% of homes nearby

Price per ft²$808
CheaperTypical $284Pricier

Pricier than 98% of homes nearby

Living area3,888 ft²
SmallerTypical 1,255 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.16 ac
SmallerTypical 1 acBigger

Bigger than 9% of homes nearby

Year built2023
OlderTypical 1981Newer

Newer than 97% of homes nearby

How 20306 Castle Stuart Ave ranks against every home in each area.
MeasureThis homeBoca Raton Municipal Golf CourseBoca Raton 33434Palm Beach County
Estimated valuepricier than$3,141,62484% of homes98% of homes98% of homes
Price per ft²pricier than$80884% of homes98% of homes96% of homes
Living areabigger than3,888 ft²60% of homes96% of homes95% of homes
Lot sizebigger than0.16 ac27% of homes9% of homes33% of homes
Year builtnewer than202348% of homes97% of homesalmost all homes

About 20306 Castle Stuart Ave

How much is 20306 Castle Stuart Ave, Boca Raton, FL worth?

The TopHap Estimate for 20306 Castle Stuart Ave, Boca Raton, FL is $3,141,624 as of Jul 14, 2026. The likely range is $2,425,803 to $3,857,445. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20306 Castle Stuart Ave, Boca Raton, FL last sell?

20306 Castle Stuart Ave, Boca Raton, FL last sold on Jul 21, 2023 for $1,647,954, according to the county's recorded deed.

How big is 20306 Castle Stuart Ave, Boca Raton, FL?

20306 Castle Stuart Ave, Boca Raton, FL has 5 bedrooms, 5 bathrooms, 3,888 square feet of living space and a 0.16-acre lot.

When was 20306 Castle Stuart Ave, Boca Raton, FL built?

20306 Castle Stuart Ave, Boca Raton, FL was built in 2023, making it 3 years old. The building has 2 stories.

What schools serve 20306 Castle Stuart Ave, Boca Raton, FL?

20306 Castle Stuart Ave, Boca Raton, FL is assigned to Olympic Heights Community High School (high), rated B; Sunrise Park 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 20306 Castle Stuart Ave, Boca Raton, FL compare to other homes in Boca Raton 33434?

Among the 13,903 homes in Boca Raton 33434, it is worth more than 98% of them ($3,141,624 against a typical $368,411), its price per square foot is higher than 98% of them ($808 against a typical $284), it is bigger than 96% of them (3,888 ft² against a typical 1,255 ft²), its lot is bigger than 9% of them (0.16 ac against a typical 1 ac) and it is newer than 97% of them (2023 against a typical 1981). Measured against all of Palm Beach County, it is worth more than 98% 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 20306 Castle Stuart Ave, Boca Raton, FL?

The 2025 property tax bill for 20306 Castle Stuart Ave, Boca Raton, FL was $22,493. The county assessed it at $1,394,959.

Closest homes

More homes in Boca Raton 33434

Assigned schools

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