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Single Family ResidenceResidential
$648,610$333 / 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 Aug 30, 2026
Last sold for $305,000 on Sep 21, 2015

6840 SW 31ST ST

MIAMI, FL 33155
5
Beds
3
Baths
1,947 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.
1947
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$649K
$609K low$688K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$305,000 · Sep 21, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,897 (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.$357,120 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$347,056
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$570,570

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.31 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.97%
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
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.1986
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 Blocks
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
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 · 200 ft²

Transaction History(9)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(4)

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 SchoolB-
Elementary · Grades PK–5 · 0.5 mi
M
West Miami Middle SchoolC
Middle · Grades 6–8 · 0.9 mi
H
South Miami Senior High SchoolD+
High · Grades 9–12 · 1.4 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

6840 Sw 31st 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 70% of homes in Miami-Dade County
  • Costs less per square foot than 92% of homes in South Coral Terrace
  • Bigger than 77% of homes in Miami-Dade County
  • Has a smaller lot than 75% of homes in Miami 33155
  • Older than 94% of homes in Miami-Dade County

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
$206K$1.8M

This home is worth more than 49% 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$648,610
CheaperTypical $654,024Pricier

Pricier than 49% of homes nearby

Price per ft²$333
CheaperTypical $438Pricier

Pricier than 17% of homes nearby

Living area1,947 ft²
SmallerTypical 1,570 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.15 ac
SmallerTypical 0.17 acBigger

Bigger than 25% of homes nearby

Year built1947
OlderTypical 1956Newer

Newer than 9% of homes nearby

How 6840 Sw 31st St ranks against every home in each area.
MeasureThis homeSouth Coral TerraceMiami 33155Miami-Dade County
Estimated valuepricier than$648,61037% of homes49% of homes70% of homes
Price per ft²pricier than$3338% of homes17% of homes44% of homes
Living areabigger than1,947 ft²75% of homes73% of homes77% of homes
Lot sizebigger than0.15 ac38% of homes25% of homes44% of homes
Year builtnewer than194713% of homes9% of homes6% of homes

About 6840 Sw 31st St

How much is 6840 Sw 31st St, Miami, FL worth?

The TopHap Estimate for 6840 Sw 31st St, Miami, FL is $648,610 as of Aug 30, 2026. The likely range is $609,341 to $687,879. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6840 Sw 31st St, Miami, FL last sell?

6840 Sw 31st St, Miami, FL last sold on Sep 21, 2015 for $305,000, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.

How big is 6840 Sw 31st St, Miami, FL?

6840 Sw 31st St, Miami, FL has 5 bedrooms, 3 bathrooms, 1,947 square feet of living space and a 0.15-acre lot.

When was 6840 Sw 31st St, Miami, FL built?

6840 Sw 31st St, Miami, FL was built in 1947, making it 79 years old. The building has 2 stories.

What schools serve 6840 Sw 31st St, Miami, FL?

6840 Sw 31st St, Miami, FL is assigned to Coral Terrace Elementary School (elementary), rated B-; West Miami Middle School (middle), rated C; 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 6840 Sw 31st St, Miami, FL compare to other homes in Miami 33155?

Among the 14,007 homes in Miami 33155, it is worth more than 49% of them ($648,610 against a typical $654,024), its price per square foot is higher than 17% of them ($333 against a typical $438), it is bigger than 73% of them (1,947 ft² against a typical 1,570 ft²), its lot is bigger than 25% of them (0.15 ac against a typical 0.17 ac) and it is newer than 9% of them (1947 against a typical 1956). Measured against all of Miami-Dade County, it is worth more than 70% 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 6840 Sw 31st St, Miami, FL?

The 2024 property tax bill for 6840 Sw 31st St, Miami, FL was $5,897. The county assessed it at $357,120.

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