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Single Family ResidenceResidential
$742,674$410 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $165,000 on Jan 7, 2002

6420 SW 21ST ST

MIAMI, FL 33155
2
Beds
2
Baths
1,811 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.
1958
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$743K
$702K low$784K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$165,000 · Jan 7, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,492 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$208,740 (2024)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$202,661
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$492,792

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.84%
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.0.2 percent flood zone

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
CountyMiami-Dade
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.1978
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
HeatingThe type of heating system in the home.None
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.Patio · 275 ft²Porch · 201 ft²

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
Coral Terrace Elementary SchoolC+
Elementary · Grades PK–5 · 0.4 mi
M
West Miami Middle SchoolD
Middle · Grades 6–8 · 1.1 mi
H
South Miami Senior High SchoolD
High · Grades 9–12 · 2.1 mi

District: Dade County School District

Neighborhood · ZIP 33155These 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.60
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.45,311
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,692 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,052
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,870
Average tempThe average temperature here across a full year.76°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.70%

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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

6420 Sw 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 76% of homes in Miami-Dade County
  • Costs less per square foot than 68% of homes in West Miami
  • Bigger than 73% of homes in West Miami
  • Has a smaller lot than 79% of homes in Miami 33155
  • Newer than 80% of homes in West Miami

What homes are worth in Miami 33155

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

This home
$201K$1.8M

This home is worth more than 66% of homes in Miami 33155.

How it measures up in Miami 33155

The dot is this home. The mark in the middle is the typical home in Miami 33155.

Estimated value$742,674
CheaperTypical $664,863Pricier

Pricier than 66% of homes nearby

Price per ft²$410
CheaperTypical $441Pricier

Pricier than 39% of homes nearby

Living area1,811 ft²
SmallerTypical 1,575 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.15 ac
SmallerTypical 0.17 acBigger

Bigger than 21% of homes nearby

Year built1958
OlderTypical 1955Newer

Newer than 63% of homes nearby

How 6420 Sw 21st St ranks against every home in each area.
MeasureThis homeWest MiamiMiami 33155Miami-Dade County
Estimated valuepricier than$742,67474% of homes66% of homes76% of homes
Price per ft²pricier than$41032% of homes39% of homes64% of homes
Living areabigger than1,811 ft²73% of homes65% of homes71% of homes
Lot sizebigger than0.15 ac37% of homes21% of homes42% of homes
Year builtnewer than195880% of homes63% of homes20% of homes

About 6420 Sw 21st St

How much is 6420 Sw 21st St, Miami, FL worth?

The TopHap Estimate for 6420 Sw 21st St, Miami, FL is $742,674 as of Sep 24, 2026. The likely range is $701,766 to $783,582. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6420 Sw 21st St, Miami, FL last sell?

6420 Sw 21st St, Miami, FL last sold on Jan 7, 2002 for $165,000, according to the county's recorded deed.

How big is 6420 Sw 21st St, Miami, FL?

6420 Sw 21st St, Miami, FL has 2 bedrooms, 2 bathrooms, 1,811 square feet of living space and a 0.15-acre lot.

When was 6420 Sw 21st St, Miami, FL built?

6420 Sw 21st St, Miami, FL was built in 1958, making it 68 years old. The building has 1 story.

What schools serve 6420 Sw 21st St, Miami, FL?

6420 Sw 21st St, Miami, FL is assigned to Coral Terrace Elementary School (elementary), rated C+; West Miami Middle School (middle), rated D; South Miami Senior High School (high), rated D. All sit in Dade County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6420 Sw 21st St, Miami, FL compare to other homes in Miami 33155?

Among the 13,994 homes in Miami 33155, it is worth more than 66% of them ($742,674 against a typical $664,863), its price per square foot is higher than 39% of them ($410 against a typical $441), it is bigger than 65% of them (1,811 ft² against a typical 1,575 ft²), its lot is bigger than 21% of them (0.15 ac against a typical 0.17 ac) and it is newer than 63% of them (1958 against a typical 1955). Measured against all of Miami-Dade County, it is worth more than 76% 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 6420 Sw 21st St, Miami, FL?

The 2024 property tax bill for 6420 Sw 21st St, Miami, FL was $3,492. The county assessed it at $208,740.

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