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Single Family ResidenceResidential
$241,481$190 / 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 91How 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

1815 SOUTH ST

HOUSTON, TX 77009
2
Beds
1
Baths
1,274 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.
4,000 ft²
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$241K
$220K low$263K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,585 (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.$209,325 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$173,160
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$36,165
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$215,751
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$209,325

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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.''

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
CountyHARRIS
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.1970
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.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.None
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.Porch · 96 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
Ketelsen Elementary SchoolB-
Elementary · Grades EE–5 · 0.4 mi
M
Marshall Middle SchoolD
Middle · Grades 6–8 · 0.7 mi
H
Davis High SchoolD-
High · Grades 9–12 · 0.7 mi

District: Houston Independent School District

Neighborhood · ZIP 77009These 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.145
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 100.19

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.37,666
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,134 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,143
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,949
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

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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

1815 South 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 91% of homes in Houston 77009
  • Costs less per square foot than 86% of homes in Houston 77009
  • Smaller than 83% of homes in Harris County
  • Has a smaller lot than 91% of homes in Harris County
  • Among the oldest homes in Harris County

What homes are worth in Houston 77009

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

This home
$181K$1.6M

This home is worth more than 9% of homes in Houston 77009.

How it measures up in Houston 77009

The dot is this home. The mark in the middle is the typical home in Houston 77009.

Estimated value$241,481
CheaperTypical $418,942Pricier

Pricier than 9% of homes nearby

Price per ft²$190
CheaperTypical $280Pricier

Pricier than 14% of homes nearby

Living area1,274 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than 31% of homes nearby

Lot size4,000 ft²
SmallerTypical 0.11 acBigger

Bigger than 20% of homes nearby

Year built1910
OlderTypical 1940Newer

Newer than 3% of homes nearby

How 1815 South St ranks against every home in each area.
MeasureThis homeNear NorthsideHouston 77009Harris County
Estimated valuepricier than$241,48117% of homes9% of homes33% of homes
Price per ft²pricier than$19028% of homes14% of homes78% of homes
Living areabigger than1,274 ft²36% of homes31% of homes17% of homes
Lot sizebigger than4,000 ft²18% of homes20% of homes9% of homes
Year builtnewer than19104% of homes3% of homesalmost no homes

About 1815 South St

How much is 1815 South St, Houston, TX worth?

The TopHap Estimate for 1815 South St, Houston, TX is $241,481 as of Sep 24, 2026. The likely range is $220,352 to $262,610. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1815 South St, Houston, TX last sell?

1815 South St, Houston, TX last sold on Jan 20, 1999, according to the county's recorded deed.

How big is 1815 South St, Houston, TX?

1815 South St, Houston, TX has 2 bedrooms, 1 bathrooms, 1,274 square feet of living space and a 0.09-acre lot.

When was 1815 South St, Houston, TX built?

1815 South St, Houston, TX was built in 1910, making it 116 years old. It is a bungalow home. The building has 1 story.

What schools serve 1815 South St, Houston, TX?

1815 South St, Houston, TX is assigned to Ketelsen Elementary School (elementary), rated B-; Marshall Middle School (middle), rated D; Davis High School (high), rated D-. All sit in Houston Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1815 South St, Houston, TX compare to other homes in Houston 77009?

Among the 13,096 homes in Houston 77009, it is worth more than 9% of them ($241,481 against a typical $418,942), its price per square foot is higher than 14% of them ($190 against a typical $280), it is bigger than 31% of them (1,274 ft² against a typical 1,560 ft²), its lot is bigger than 20% of them (4,000 ft² against a typical 0.11 ac) and it is newer than 3% of them (1910 against a typical 1940). Measured against all of Harris County, it is worth more than 33% 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 1815 South St, Houston, TX?

The 2025 property tax bill for 1815 South St, Houston, TX was $4,585. The county assessed it at $209,325.

More homes on South St

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Assigned schools

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