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Single Family ResidenceResidential
$449,484$349 / 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

520 SW HARBOR ST

STUART, FL 34997
3
Beds
2
Baths
1,288 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$449K
$412K low$487K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,645 (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.$180,179 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$175,102
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$505,320

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.36 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.80%
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.1 percent coastal 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
CountyMartin
Lot (acres)The size of the land the home sits on, from county records.0.29
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 128 ft²ElevatorPatio · 128 ft²Porch · 276 ft²

Transaction History(3)

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.

M
Dr. David L. Anderson Middle SchoolB-
Middle · Grades 6–8 · 1.3 mi
E
Crystal Lake Elementary SchoolA-
Elementary · Grades PK–5 · 2.7 mi
H
Martin County High SchoolB-
High · Grades 9–12 · 3.2 mi

District: Martin County School District

Neighborhood · ZIP 34997These 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.83
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
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.43,974
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.479 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,925
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,609
Average tempThe average temperature here across a full year.74°F
Annual precipHow much rain and melted snow falls here in a typical year.57 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.65%

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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

520 Sw Harbor 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.

  • Costs more per square foot than 87% of homes in Stuart 34997
  • Smaller than 71% of homes in Stuart 34997
  • Has a bigger lot than 70% of homes in Stuart 34997
  • Older than 81% of homes in Stuart 34997

What homes are worth in Stuart 34997

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

This home
$161K$1.3M

This home is worth more than 47% of homes in Stuart 34997.

How it measures up in Stuart 34997

The dot is this home. The mark in the middle is the typical home in Stuart 34997.

Estimated value$449,484
CheaperTypical $465,288Pricier

Pricier than 47% of homes nearby

Price per ft²$349
CheaperTypical $274Pricier

Pricier than 87% of homes nearby

Living area1,288 ft²
SmallerTypical 1,614 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.29 ac
SmallerTypical 0.19 acBigger

Bigger than 70% of homes nearby

Year built1977
OlderTypical 1988Newer

Newer than 19% of homes nearby

How 520 Sw Harbor St ranks against every home in each area.
MeasureThis homeStuart 34997Martin County
Estimated valuepricier than$449,48447% of homes45% of homes
Price per ft²pricier than$34987% of homes76% of homes
Living areabigger than1,288 ft²29% of homes32% of homes
Lot sizebigger than0.29 ac70% of homes61% of homes
Year builtnewer than197719% of homes27% of homes

About 520 Sw Harbor St

How much is 520 Sw Harbor St, Stuart, FL worth?

The TopHap Estimate for 520 Sw Harbor St, Stuart, FL is $449,484 as of Jul 14, 2026. The likely range is $412,373 to $486,596. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 520 Sw Harbor St, Stuart, FL?

520 Sw Harbor St, Stuart, FL has 3 bedrooms, 2 bathrooms, 1,288 square feet of living space and a 0.29-acre lot.

When was 520 Sw Harbor St, Stuart, FL built?

520 Sw Harbor St, Stuart, FL was built in 1977, making it 49 years old. The building has 1 story.

What schools serve 520 Sw Harbor St, Stuart, FL?

520 Sw Harbor St, Stuart, FL is assigned to Dr. David L. Anderson Middle School (middle), rated B-; Crystal Lake Elementary School (elementary), rated A-; Martin County High School (high), rated B-. All sit in Martin County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 520 Sw Harbor St, Stuart, FL compare to other homes in Stuart 34997?

Among the 20,053 homes in Stuart 34997, it is worth more than 47% of them ($449,484 against a typical $465,288), its price per square foot is higher than 87% of them ($349 against a typical $274), it is bigger than 29% of them (1,288 ft² against a typical 1,614 ft²), its lot is bigger than 70% of them (0.29 ac against a typical 0.19 ac) and it is newer than 19% of them (1977 against a typical 1988). Measured against all of Martin County, it is worth more than 45% 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 520 Sw Harbor St, Stuart, FL?

The 2024 property tax bill for 520 Sw Harbor St, Stuart, FL was $2,645. The county assessed it at $180,179.

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