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Single Family ResidenceResidential
$281,992$129 / 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

5121 ROSA AVE

SAINT LOUIS, MO 63109
1
Baths
2,184 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.
4,053 ft²
Lot SizeThe size of the land the home sits on, from county records.
1922
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$282K
$264K low$300K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,432 (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.$41,580 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,660
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$38,920
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$36,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$192,105

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
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.1927
Lot (acres)The size of the land the home sits on, from county records.0.09
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.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Buder Elementary SchoolC
Elementary · Grades EE–5 · 0.6 mi
M
Long Middle SchoolD+
Middle · Grades 6–8 · 0.8 mi
H
Roosevelt High SchoolF
High · Grades 9–12 · 2.8 mi

District: St. Louis City School District

Neighborhood · ZIP 63109These 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.58
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
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.24,179
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,036 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,979
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,108
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

5121 Rosa 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 76% of homes in Princeton Heights
  • Bigger than 66% of homes in Princeton Heights
  • Has a smaller lot than 72% of homes in Saint Louis 63109
  • Older than 86% of homes in Saint Louis 63109

What homes are worth in Saint Louis 63109

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

This home
$141K$620K

This home is worth more than 50% of homes in Saint Louis 63109.

How it measures up in Saint Louis 63109

The dot is this home. The mark in the middle is the typical home in Saint Louis 63109.

Estimated value$281,992
CheaperTypical $283,128Pricier

Pricier than 50% of homes nearby

Price per ft²$129
CheaperTypical $137Pricier

Pricier than 39% of homes nearby

Living area2,184 ft²
SmallerTypical 2,160 ft²Bigger

Bigger than 54% of homes nearby

Lot size4,053 ft²
SmallerTypical 0.1 acBigger

Bigger than 28% of homes nearby

Year built1922
OlderTypical 1935Newer

Newer than 14% of homes nearby

How 5121 Rosa Ave ranks against every home in each area.
MeasureThis homePrinceton HeightsSaint Louis 63109Saint Louis City County
Estimated valuepricier than$281,99276% of homes50% of homes75% of homes
Price per ft²pricier than$12962% of homes39% of homes63% of homes
Living areabigger than2,184 ft²66% of homes54% of homes65% of homes
Lot sizebigger than4,053 ft²42% of homes28% of homes42% of homes
Year builtnewer than192232% of homes14% of homes51% of homes

About 5121 Rosa Ave

How much is 5121 Rosa Ave, Saint Louis, MO worth?

The TopHap Estimate for 5121 Rosa Ave, Saint Louis, MO is $281,992 as of Aug 30, 2026. The likely range is $264,372 to $299,612. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 5121 Rosa Ave, Saint Louis, MO last sell?

5121 Rosa Ave, Saint Louis, MO last sold on Jul 2, 2026, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 5121 Rosa Ave, Saint Louis, MO?

5121 Rosa Ave, Saint Louis, MO has 1 bathrooms, 2,184 square feet of living space and a 0.09-acre lot.

When was 5121 Rosa Ave, Saint Louis, MO built?

5121 Rosa Ave, Saint Louis, MO was built in 1922, making it 104 years old. It is a traditional/old home. The building has 1 story.

What schools serve 5121 Rosa Ave, Saint Louis, MO?

5121 Rosa Ave, Saint Louis, MO is assigned to Buder Elementary School (elementary), rated C; Long Middle School (middle), rated D+; 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 5121 Rosa Ave, Saint Louis, MO compare to other homes in Saint Louis 63109?

Among the 10,526 homes in Saint Louis 63109, it is worth more than 50% of them ($281,992 against a typical $283,128), its price per square foot is higher than 39% of them ($129 against a typical $137), it is bigger than 54% of them (2,184 ft² against a typical 2,160 ft²), its lot is bigger than 28% of them (4,053 ft² against a typical 0.1 ac) and it is newer than 14% of them (1922 against a typical 1935). Measured against all of Saint Louis City County, it is worth more than 75% 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 5121 Rosa Ave, Saint Louis, MO?

The 2025 property tax bill for 5121 Rosa Ave, Saint Louis, MO was $3,432. The county assessed it at $41,580.

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