Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$728,967$239 / 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 95How 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 $575,000 on Jul 28, 2021

8438 SW 18TH AVE

STUART, FL 34997
4
Beds
3
Baths
3,048 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.
0.8 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
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

$729K
$693K low$765K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$575,000 · Jul 28, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,887 (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.$320,924 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$311,880
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$631,120

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.13 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyMartin
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.1999
Lot (acres)The size of the land the home sits on, from county records.0.80
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.Metal
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Yes
ViewThe type of view from the property, or another feature of the site that affects value.Yes - Type Unknown
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.ElevatorPorch · 656 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.

E
Crystal Lake Elementary SchoolA-
Elementary · Grades PK–5 · 0.8 mi
H
South Fork High SchoolC+
High · Grades 9–12 · 2.4 mi
M
Dr. David L. Anderson Middle SchoolB-
Middle · Grades 6–8 · 2.6 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

Do you own this home?
Claim this home

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

8438 Sw 18th Ave 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 81% of homes in Stuart 34997
  • Costs less per square foot than 70% of homes in Stuart 34997
  • Bigger than 94% of homes in Stuart 34997
  • Has a bigger lot than 92% of homes in Stuart 34997
  • Older than 76% 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
$162K$1.4M

This home is worth more than 81% 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$728,967
CheaperTypical $461,698Pricier

Pricier than 81% of homes nearby

Price per ft²$239
CheaperTypical $271Pricier

Pricier than 30% of homes nearby

Living area3,048 ft²
SmallerTypical 1,614 ft²Bigger

Bigger than 94% of homes nearby

Lot size0.8 ac
SmallerTypical 0.19 acBigger

Bigger than 92% of homes nearby

Year built1979
OlderTypical 1988Newer

Newer than 24% of homes nearby

How 8438 Sw 18th Ave ranks against every home in each area.
MeasureThis homeStuart 34997Martin County
Estimated valuepricier than$728,96781% of homes73% of homes
Price per ft²pricier than$23930% of homes31% of homes
Living areabigger than3,048 ft²94% of homes89% of homes
Lot sizebigger than0.8 ac92% of homes86% of homes
Year builtnewer than197924% of homes31% of homes

About 8438 Sw 18th Ave

How much is 8438 Sw 18th Ave, Stuart, FL worth?

The TopHap Estimate for 8438 Sw 18th Ave, Stuart, FL is $728,967 as of Aug 30, 2026. The likely range is $693,295 to $764,639. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8438 Sw 18th Ave, Stuart, FL last sell?

8438 Sw 18th Ave, Stuart, FL last sold on Jul 28, 2021 for $575,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 8438 Sw 18th Ave, Stuart, FL?

8438 Sw 18th Ave, Stuart, FL has 4 bedrooms, 3 bathrooms, 3,048 square feet of living space and a 0.80-acre lot.

When was 8438 Sw 18th Ave, Stuart, FL built?

8438 Sw 18th Ave, Stuart, FL was built in 1979, making it 47 years old. The building has 2 stories.

What schools serve 8438 Sw 18th Ave, Stuart, FL?

8438 Sw 18th Ave, Stuart, FL is assigned to Crystal Lake Elementary School (elementary), rated A-; South Fork High School (high), rated C+; Dr. David L. Anderson Middle School (middle), rated B-. All sit in Martin County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8438 Sw 18th Ave, Stuart, FL compare to other homes in Stuart 34997?

Among the 20,054 homes in Stuart 34997, it is worth more than 81% of them ($728,967 against a typical $461,698), its price per square foot is higher than 30% of them ($239 against a typical $271), it is bigger than 94% of them (3,048 ft² against a typical 1,614 ft²), its lot is bigger than 92% of them (0.8 ac against a typical 0.19 ac) and it is newer than 24% of them (1979 against a typical 1988). Measured against all of Martin County, it is worth more than 73% 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 8438 Sw 18th Ave, Stuart, FL?

The 2024 property tax bill for 8438 Sw 18th Ave, Stuart, FL was $4,887. The county assessed it at $320,924.

More homes on Sw 18th Ave

Closest homes

More homes in Stuart 34997

Assigned schools

Explore the area

See this home in context

Open 8438 Sw 18th Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map