Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$282,397$151 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $221,900 on Nov 30, 2021

23123 FLAT RIVER DR

ELMENDORF, TX 78112
3
Beds
2
Baths
1,865 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.
0.48 ac
Lot SizeThe size of the land the home sits on, from county records.
2021
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$282K
$260K low$305K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$221,900 · Nov 30, 2021
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$63,437
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$50,750
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.78%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$218,960
CALIBER HOME LOANS INC · recorded Nov 30, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,543 (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.$288,740 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$65,850
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$222,890
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$279,460
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$288,740

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBEXAR
Lot (acres)The size of the land the home sits on, from county records.0.48
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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(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
Freedom Elementary SchoolC+
Elementary · Grades 1–5 · 3.2 mi
M
Matthey Middle SchoolC+
Middle · Grades 6–8 · 3.7 mi
H
Southside High SchoolC-
High · Grades 9–12 · 6.0 mi

District: Southside Independent School District

Neighborhood · ZIP 78112These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.37

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.0%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.10,181
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.201 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$52,595
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,211
Average tempThe average temperature here across a full year.70°F
Annual precipHow much rain and melted snow falls here in a typical year.31 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

23123 Flat River Dr 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 80% of homes in Elmendorf 78112
  • Bigger than 76% of homes in Elmendorf 78112
  • Has a bigger lot than 90% of homes in Bexar County
  • Newer than 94% of homes in Bexar County

What homes are worth in Elmendorf 78112

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

This home
$72K$444K

This home is worth more than 80% of homes in Elmendorf 78112.

How it measures up in Elmendorf 78112

The dot is this home. The mark in the middle is the typical home in Elmendorf 78112.

Estimated value$282,397
CheaperTypical $214,623Pricier

Pricier than 80% of homes nearby

Price per ft²$151
CheaperTypical $149Pricier

Pricier than 54% of homes nearby

Living area1,865 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.48 ac
SmallerTypical 0.53 acBigger

Bigger than 44% of homes nearby

Year built2021
OlderTypical 2001Newer

Newer than 86% of homes nearby

How 23123 Flat River Dr ranks against every home in each area.
MeasureThis homeElmendorf 78112Bexar County
Estimated valuepricier than$282,39780% of homes59% of homes
Price per ft²pricier than$15154% of homes47% of homes
Living areabigger than1,865 ft²76% of homes57% of homes
Lot sizebigger than0.48 ac44% of homes90% of homes
Year builtnewer than202186% of homes94% of homes

About 23123 Flat River Dr

How much is 23123 Flat River Dr, Elmendorf, TX worth?

The TopHap Estimate for 23123 Flat River Dr, Elmendorf, TX is $282,397 as of Jul 14, 2026. The likely range is $260,060 to $304,734. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23123 Flat River Dr, Elmendorf, TX last sell?

23123 Flat River Dr, Elmendorf, TX last sold on Nov 30, 2021 for $221,900, according to the county's recorded deed.

How big is 23123 Flat River Dr, Elmendorf, TX?

23123 Flat River Dr, Elmendorf, TX has 3 bedrooms, 2 bathrooms, 1,865 square feet of living space and a 0.48-acre lot.

When was 23123 Flat River Dr, Elmendorf, TX built?

23123 Flat River Dr, Elmendorf, TX was built in 2021, making it 5 years old. The building has 1 story.

What schools serve 23123 Flat River Dr, Elmendorf, TX?

23123 Flat River Dr, Elmendorf, TX is assigned to Freedom Elementary School (elementary), rated C+; Matthey Middle School (middle), rated C+; Southside High School (high), rated C-. All sit in Southside Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23123 Flat River Dr, Elmendorf, TX compare to other homes in Elmendorf 78112?

Among the 4,718 homes in Elmendorf 78112, it is worth more than 80% of them ($282,397 against a typical $214,623), its price per square foot is higher than 54% of them ($151 against a typical $149), it is bigger than 76% of them (1,865 ft² against a typical 1,456 ft²), its lot is bigger than 44% of them (0.48 ac against a typical 0.53 ac) and it is newer than 86% of them (2021 against a typical 2001). Measured against all of Bexar County, it is worth more than 59% 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 23123 Flat River Dr, Elmendorf, TX?

The 2025 property tax bill for 23123 Flat River Dr, Elmendorf, TX was $6,543. The county assessed it at $288,740.

Closest homes

More homes in Elmendorf 78112

Assigned schools

Explore the area

See this home in context

Open 23123 Flat River Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map