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Single Family ResidenceResidential
$68,577$77 / 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 $49,300 on Oct 30, 1998

18 S HARTNETT AVE

SAINT LOUIS, MO 63135
1
Beds
1
Baths
891 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1939
Year BuiltThe year the home was originally built, according to county records.
1
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$69K
$64K low$73K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$49,300 · Oct 30, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,308 (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.$21,660 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,950
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$17,710
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$17,960
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$114,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.43
46
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
87
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
64
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
4
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.12 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
StyleThe architectural style of the home, such as ranch or colonial.Bungalow
CountySt. Louis
Lot (acres)The size of the land the home sits on, from county records.0.22
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
HeatingThe type of heating system in the home.Forced Air
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, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 160 ft²Porch · 160 ft²

Transaction History(1)

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
Central Primary School
Elementary · Grades PK–2 · 0.8 mi
M
Ferguson Middle SchoolC-
Middle · Grades 7–8 · 1.3 mi
H
McCluer High SchoolF
High · Grades 9–12 · 2.0 mi

District: Ferguson-Florissant School District

Neighborhood · ZIP 63135These 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.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.126

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.18,386
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,955 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,061
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,146
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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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

18 S Hartnett 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 less than 96% of homes in St. Louis County
  • Costs less per square foot than 94% of homes in St. Louis County
  • Smaller than 90% of homes in St. Louis County
  • Older than 88% of homes in St. Louis County

What homes are worth in Saint Louis 63135

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

This home
$44K$266K

This home is worth more than 17% of homes in Saint Louis 63135.

How it measures up in Saint Louis 63135

The dot is this home. The mark in the middle is the typical home in Saint Louis 63135.

Estimated value$68,577
CheaperTypical $95,176Pricier

Pricier than 17% of homes nearby

Price per ft²$77
CheaperTypical $88Pricier

Pricier than 26% of homes nearby

Living area891 ft²
SmallerTypical 1,064 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.22 ac
SmallerTypical 0.19 acBigger

Bigger than 59% of homes nearby

Year built1939
OlderTypical 1952Newer

Newer than 17% of homes nearby

How 18 S Hartnett Ave ranks against every home in each area.
MeasureThis homeSaint Louis 63135St. Louis County
Estimated valuepricier than$68,57717% of homes4% of homes
Price per ft²pricier than$7726% of homes6% of homes
Living areabigger than891 ft²25% of homes10% of homes
Lot sizebigger than0.22 ac59% of homes57% of homes
Year builtnewer than193917% of homes12% of homes

About 18 S Hartnett Ave

How much is 18 S Hartnett Ave, Saint Louis, MO worth?

The TopHap Estimate for 18 S Hartnett Ave, Saint Louis, MO is $68,577 as of Aug 30, 2026. The likely range is $64,264 to $72,890. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 S Hartnett Ave, Saint Louis, MO last sell?

18 S Hartnett Ave, Saint Louis, MO last sold on Oct 30, 1998 for $49,300, according to the county's recorded deed.

How big is 18 S Hartnett Ave, Saint Louis, MO?

18 S Hartnett Ave, Saint Louis, MO has 1 bedrooms, 1 bathrooms, 891 square feet of living space and a 0.22-acre lot.

When was 18 S Hartnett Ave, Saint Louis, MO built?

18 S Hartnett Ave, Saint Louis, MO was built in 1939, making it 87 years old. It is a bungalow home. The building has 1 story.

What schools serve 18 S Hartnett Ave, Saint Louis, MO?

18 S Hartnett Ave, Saint Louis, MO is assigned to Central Primary School (elementary); Ferguson Middle School (middle), rated C-; McCluer High School (high), rated F. All sit in Ferguson-Florissant School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 S Hartnett Ave, Saint Louis, MO compare to other homes in Saint Louis 63135?

Among the 8,029 homes in Saint Louis 63135, it is worth more than 17% of them ($68,577 against a typical $95,176), its price per square foot is higher than 26% of them ($77 against a typical $88), it is bigger than 25% of them (891 ft² against a typical 1,064 ft²), its lot is bigger than 59% of them (0.22 ac against a typical 0.19 ac) and it is newer than 17% of them (1939 against a typical 1952). Measured against all of St. Louis County, it is worth more than 4% 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 18 S Hartnett Ave, Saint Louis, MO?

The 2024 property tax bill for 18 S Hartnett Ave, Saint Louis, MO was $1,308. The county assessed it at $21,660.

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