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Single Family ResidenceResidential
$45,000$27 / 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 98How 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 $35,000 on Oct 7, 2026

4240 CALIFORNIA AVE

SAINT LOUIS, MO 63111
1.5
Baths
1,680 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.
4,209 ft²
Lot SizeThe size of the land the home sits on, from county records.
1923
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$45K
$44K low$46K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$35,000 · Oct 7, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$279 (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.$3,060 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$840
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,220
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,060
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$15,842

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.51 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.Traditional/Old
CountySAINT LOUIS CITY
Lot (acres)The size of the land the home sits on, from county records.0.10
ConstructionThe main material the home's frame and walls are built from.Brick
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Meramec Elementary SchoolF
Elementary · Grades EE–5 · 0.1 mi
H
Roosevelt High SchoolF
High · Grades 9–12 · 1.5 mi
M
Long Middle SchoolF
Middle · Grades 6–8 · 1.9 mi

District: St. Louis City School District

Neighborhood · ZIP 63111These 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.108
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.153

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.79%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.24%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.17,634
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,609 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$45,164
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$62,418
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.40 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

4240 California 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 98% of homes in Saint Louis 63111
  • Costs less per square foot than 98% of homes in Saint Louis 63111
  • Smaller than 73% of homes in Saint Louis 63111
  • Newer than 72% of homes in Saint Louis 63111

What homes are worth in Saint Louis 63111

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

This home
$44K$315K

This home is worth more than 2% of homes in Saint Louis 63111.

How it measures up in Saint Louis 63111

The dot is this home. The mark in the middle is the typical home in Saint Louis 63111.

Estimated value$45,000
CheaperTypical $116,740Pricier

Pricier than 2% of homes nearby

Price per ft²$27
CheaperTypical $62Pricier

Pricier than 2% of homes nearby

Living area1,680 ft²
SmallerTypical 1,980 ft²Bigger

Bigger than 27% of homes nearby

Lot size4,209 ft²
SmallerTypical 4,095 ft²Bigger

Bigger than 53% of homes nearby

Year built1923
OlderTypical 1909Newer

Newer than 72% of homes nearby

How 4240 California Ave ranks against every home in each area.
MeasureThis homeMount PleasantSaint Louis 63111Saint Louis City County
Estimated valuepricier than$45,0004% of homes2% of homes10% of homes
Price per ft²pricier than$274% of homes2% of homes12% of homes
Living areabigger than1,680 ft²28% of homes27% of homes31% of homes
Lot sizebigger than4,209 ft²59% of homes53% of homes46% of homes
Year builtnewer than192361% of homes72% of homes53% of homes

About 4240 California Ave

How much is 4240 California Ave, Saint Louis, MO worth?

The TopHap Estimate for 4240 California Ave, Saint Louis, MO is $45,000 as of Sep 24, 2026. The likely range is $44,082 to $45,918. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4240 California Ave, Saint Louis, MO last sell?

4240 California Ave, Saint Louis, MO last sold on Oct 7, 2026 for $35,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4240 California Ave, Saint Louis, MO?

4240 California Ave, Saint Louis, MO has 1.5 bathrooms, 1,680 square feet of living space and a 0.10-acre lot.

When was 4240 California Ave, Saint Louis, MO built?

4240 California Ave, Saint Louis, MO was built in 1923, making it 103 years old. It is a traditional/old home. The building has 1 story.

What schools serve 4240 California Ave, Saint Louis, MO?

4240 California Ave, Saint Louis, MO is assigned to Meramec Elementary School (elementary), rated F; Roosevelt High School (high), rated F; Long Middle School (middle), rated F. All sit in St. Louis City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4240 California Ave, Saint Louis, MO compare to other homes in Saint Louis 63111?

Among the 6,088 homes in Saint Louis 63111, it is worth more than 2% of them ($45,000 against a typical $116,740), its price per square foot is higher than 2% of them ($27 against a typical $62), it is bigger than 27% of them (1,680 ft² against a typical 1,980 ft²), its lot is bigger than 53% of them (4,209 ft² against a typical 4,095 ft²) and it is newer than 72% of them (1923 against a typical 1909). Measured against all of Saint Louis City County, it is worth more than 10% 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 4240 California Ave, Saint Louis, MO?

The 2025 property tax bill for 4240 California Ave, Saint Louis, MO was $279. The county assessed it at $3,060.

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