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Duplex (2 Units, Any Combination)Residential
$129,925$33 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

3917 ALEXANDER ST

SAINT LOUIS, MO 63116
1
Baths
3,944 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1937
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$130K
$116K low$143K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,316 (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.$15,730 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,190
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$13,540
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$14,620
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$76,947

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
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.0.13
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 3,800 ft²

Transaction History(2)

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
Oak Hill Elementary SchoolF
Elementary · Grades EE–5 · 0.6 mi
M
Long Middle SchoolF
Middle · Grades 6–8 · 0.8 mi
H
Roosevelt High SchoolF
High · Grades 9–12 · 1.3 mi

District: St. Louis City School District

Neighborhood · ZIP 63116These 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.76
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.149

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.38,752
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,709 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,509
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,670
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

3917 Alexander 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.

  • Worth less than 80% of homes in Saint Louis 63116
  • Among the lowest price per square foot in Saint Louis 63116
  • Bigger than 98% of homes in Saint Louis 63116
  • Has a bigger lot than 85% of homes in Dutchtown
  • Newer than 89% of homes in Dutchtown

What homes are worth in Saint Louis 63116

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

This home
$85K$502K

This home is worth more than 20% of homes in Saint Louis 63116.

How it measures up in Saint Louis 63116

The dot is this home. The mark in the middle is the typical home in Saint Louis 63116.

Estimated value$129,925
CheaperTypical $178,398Pricier

Pricier than 20% of homes nearby

Price per ft²$33
CheaperTypical $99Pricier

Cheaper than almost all homes nearby

Living area3,944 ft²
SmallerTypical 1,886 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.13 ac
SmallerTypical 4,225 ft²Bigger

Bigger than 80% of homes nearby

Year built1937
OlderTypical 1925Newer

Newer than 78% of homes nearby

How 3917 Alexander St ranks against every home in each area.
MeasureThis homeDutchtownSaint Louis 63116Saint Louis City County
Estimated valuepricier than$129,92556% of homes20% of homes35% of homes
Price per ft²pricier than$334% of homesalmost no homes17% of homes
Living areabigger than3,944 ft²96% of homes98% of homes95% of homes
Lot sizebigger than0.13 ac85% of homes80% of homes74% of homes
Year builtnewer than193789% of homes78% of homes74% of homes

About 3917 Alexander St

How much is 3917 Alexander St, Saint Louis, MO worth?

The TopHap Estimate for 3917 Alexander St, Saint Louis, MO is $129,925 as of Oct 21, 2026. The likely range is $116,396 to $143,454. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3917 Alexander St, Saint Louis, MO last sell?

3917 Alexander St, Saint Louis, MO last sold on Aug 2, 2011, according to the county's recorded deed.

How big is 3917 Alexander St, Saint Louis, MO?

3917 Alexander St, Saint Louis, MO has 1 bathrooms, 3,944 square feet of living space and a 0.13-acre lot.

When was 3917 Alexander St, Saint Louis, MO built?

3917 Alexander St, Saint Louis, MO was built in 1937, making it 89 years old. It is a traditional/old home. The building has 1 story.

What schools serve 3917 Alexander St, Saint Louis, MO?

3917 Alexander St, Saint Louis, MO is assigned to Oak Hill Elementary School (elementary), rated F; Long Middle School (middle), rated F; Roosevelt High School (high), rated F. All sit in St. Louis City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3917 Alexander St, Saint Louis, MO compare to other homes in Saint Louis 63116?

Among the 15,107 homes in Saint Louis 63116, it is worth more than 20% of them ($129,925 against a typical $178,398), its price per square foot is higher than almost none of them ($33 against a typical $99), it is bigger than 98% of them (3,944 ft² against a typical 1,886 ft²), its lot is bigger than 80% of them (0.13 ac against a typical 4,225 ft²) and it is newer than 78% of them (1937 against a typical 1925). Measured against all of Saint Louis City County, it is worth more than 35% 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 3917 Alexander St, Saint Louis, MO?

The 2025 property tax bill for 3917 Alexander St, Saint Louis, MO was $1,316. The county assessed it at $15,730.

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