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Single Family ResidenceResidential
$1,499,202$489 / 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 85How 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 $1,450,000 on Apr 21, 2025

503 SW LOST RIVER RD

STUART, FL 34997
4
Beds
3.5
Baths
3,063 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
2010
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.5M
$1.3M low$1.7M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,450,000 · Apr 21, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,582 (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.$1,276,340 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$500,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$776,340
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,285,890
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,276,340

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.32 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.93%
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 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.0.27
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.Concrete
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.In-Ground Pool
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Boat liftElevatorPorch · 409 ft²Boat access

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.

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 SchoolC
Middle · Grades 6–8 · 1.2 mi
E
Crystal Lake Elementary SchoolA-
Elementary · Grades PK–5 · 2.3 mi
H
Martin County High SchoolB-
High · Grades 9–12 · 3.6 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%

Owner Tools

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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

503 Sw Lost River Rd 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 Stuart 34997
  • Costs more per square foot than 98% of homes in Stuart 34997
  • Bigger than 94% of homes in Stuart 34997
  • Has a bigger lot than 68% of homes in Stuart 34997
  • Newer than 90% of homes in Martin County

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
$169K$1.3M

This home is worth more than 98% 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$1,499,202
CheaperTypical $463,717Pricier

Pricier than 98% of homes nearby

Price per ft²$489
CheaperTypical $273Pricier

Pricier than 98% of homes nearby

Living area3,063 ft²
SmallerTypical 1,625 ft²Bigger

Bigger than 94% of homes nearby

Lot size0.27 ac
SmallerTypical 0.18 acBigger

Bigger than 68% of homes nearby

Year built2010
OlderTypical 1988Newer

Newer than 89% of homes nearby

How 503 Sw Lost River Rd ranks against every home in each area.
MeasureThis homeStuart 34997Martin County
Estimated valuepricier than$1,499,20298% of homes93% of homes
Price per ft²pricier than$48998% of homes90% of homes
Living areabigger than3,063 ft²94% of homes90% of homes
Lot sizebigger than0.27 ac68% of homes61% of homes
Year builtnewer than201089% of homes90% of homes

About 503 Sw Lost River Rd

How much is 503 Sw Lost River Rd, Stuart, FL worth?

The TopHap Estimate for 503 Sw Lost River Rd, Stuart, FL is $1,499,202 as of Sep 24, 2026. The likely range is $1,276,707 to $1,721,697. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 Sw Lost River Rd, Stuart, FL last sell?

503 Sw Lost River Rd, Stuart, FL last sold on Apr 21, 2025 for $1,450,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 503 Sw Lost River Rd, Stuart, FL?

503 Sw Lost River Rd, Stuart, FL has 4 bedrooms, 3.5 bathrooms, 3,063 square feet of living space and a 0.27-acre lot.

When was 503 Sw Lost River Rd, Stuart, FL built?

503 Sw Lost River Rd, Stuart, FL was built in 2010, making it 16 years old. The building has 1 story.

What schools serve 503 Sw Lost River Rd, Stuart, FL?

503 Sw Lost River Rd, Stuart, FL is assigned to Dr. David L. Anderson Middle School (middle), rated C; 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 503 Sw Lost River Rd, Stuart, FL compare to other homes in Stuart 34997?

Among the 20,002 homes in Stuart 34997, it is worth more than 98% of them ($1,499,202 against a typical $463,717), its price per square foot is higher than 98% of them ($489 against a typical $273), it is bigger than 94% of them (3,063 ft² against a typical 1,625 ft²), its lot is bigger than 68% of them (0.27 ac against a typical 0.18 ac) and it is newer than 89% of them (2010 against a typical 1988). Measured against all of Martin County, it is worth more than 93% 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 503 Sw Lost River Rd, Stuart, FL?

The 2025 property tax bill for 503 Sw Lost River Rd, Stuart, FL was $20,582. The county assessed it at $1,276,340.

More homes on Sw Lost River Rd

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