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Single Family ResidenceResidential
$649,425$442 / 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 92How 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 $135,000 on Feb 8, 2002

170 NE 21ST ST

BOCA RATON, FL 33431
1
Baths
1,468 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$649K
$596K low$703K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$135,000 · Feb 8, 2002
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.$649,425
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$519,540

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,562 (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.$170,534 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$165,728
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$417,435

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.9 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.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.1972
Lot (acres)The size of the land the home sits on, from county records.0.17
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
J. C. Mitchell Elementary SchoolC-
Elementary · Grades KG–5 · 0.7 mi
M
Boca Raton Community Middle SchoolA
Middle · Grades 6–8 · 1.9 mi
H
Boca Raton Community High SchoolB-
High · Grades 9–12 · 2.1 mi

District: Palm Beach County School District

Neighborhood · ZIP 33431These 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.75
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.70
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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
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.26,382
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,792 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,362
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$138,588
Average tempThe average temperature here across a full year.75°F
Annual precipHow much rain and melted snow falls here in a typical year.60 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

170 Ne 21st St 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 69% of homes in Palm Beach County
  • Costs more per square foot than 82% of homes in Palm Beach County
  • Has a smaller lot than 73% of homes in Boca Raton 33431
  • Among the oldest homes in Boca Raton 33431

What homes are worth in Boca Raton 33431

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

This home
$135K$4.2M

This home is worth more than 42% of homes in Boca Raton 33431.

How it measures up in Boca Raton 33431

The dot is this home. The mark in the middle is the typical home in Boca Raton 33431.

Estimated value$649,425
CheaperTypical $710,511Pricier

Pricier than 42% of homes nearby

Price per ft²$442
CheaperTypical $457Pricier

Pricier than 46% of homes nearby

Living area1,468 ft²
SmallerTypical 1,638 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.17 ac
SmallerTypical 0.23 acBigger

Bigger than 27% of homes nearby

Year built1955
OlderTypical 1979Newer

Older than almost all homes nearby

How 170 Ne 21st St ranks against every home in each area.
MeasureThis homeWinfield ParkBoca Raton 33431Palm Beach County
Estimated valuepricier than$649,42537% of homes42% of homes69% of homes
Price per ft²pricier than$44232% of homes46% of homes82% of homes
Living areabigger than1,468 ft²52% of homes41% of homes45% of homes
Lot sizebigger than0.17 ac29% of homes27% of homes39% of homes
Year builtnewer than19558% of homesalmost no homes5% of homes

About 170 Ne 21st St

How much is 170 Ne 21st St, Boca Raton, FL worth?

The TopHap Estimate for 170 Ne 21st St, Boca Raton, FL is $649,425 as of Jul 14, 2026. The likely range is $595,510 to $703,340. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 170 Ne 21st St, Boca Raton, FL last sell?

170 Ne 21st St, Boca Raton, FL last sold on Feb 8, 2002 for $135,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 170 Ne 21st St, Boca Raton, FL?

170 Ne 21st St, Boca Raton, FL has 1 bathrooms, 1,468 square feet of living space and a 0.17-acre lot.

When was 170 Ne 21st St, Boca Raton, FL built?

170 Ne 21st St, Boca Raton, FL was built in 1955, making it 71 years old. The building has 1 story.

What schools serve 170 Ne 21st St, Boca Raton, FL?

170 Ne 21st St, Boca Raton, FL is assigned to J. C. Mitchell Elementary School (elementary), rated C-; Boca Raton Community Middle School (middle), rated A; Boca Raton Community High School (high), rated B-. All sit in Palm Beach County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 170 Ne 21st St, Boca Raton, FL compare to other homes in Boca Raton 33431?

Among the 7,866 homes in Boca Raton 33431, it is worth more than 42% of them ($649,425 against a typical $710,511), its price per square foot is higher than 46% of them ($442 against a typical $457), it is bigger than 41% of them (1,468 ft² against a typical 1,638 ft²), its lot is bigger than 27% of them (0.17 ac against a typical 0.23 ac) and it is newer than almost none of them (1955 against a typical 1979). Measured against all of Palm Beach County, it is worth more than 69% 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 170 Ne 21st St, Boca Raton, FL?

The 2025 property tax bill for 170 Ne 21st St, Boca Raton, FL was $2,562. The county assessed it at $170,534.

Closest homes

More homes in Boca Raton 33431

Assigned schools

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