Skip to content
Skip to content
TopHapOpen in map
Residential - Vacant LandResidential
$137,940$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 93How 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

508 E RIDDLEVILLE

KARNES CITY, TX 78118
0
Baths
912 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.

Valuation

$138K
$128K low$148K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$44 (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.$6,426 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,426
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$6,426
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$6,426

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential - Vacant Land
CountyKARNES
Lot (acres)The size of the land the home sits on, from county records.0.22
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Karnes City Primary School
Elementary · Grades PK–1 · 0.9 mi
M
Karnes City Junior High SchoolD
Middle · Grades 6–8 · 0.9 mi
H
Karnes City High SchoolC
High · Grades 9–12 · 1.0 mi

District: Karnes City Independent School District

Neighborhood · ZIP 78118These 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.103
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 100.38

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.81%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.4,431
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.24 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,858
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,222
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.58%

Owner Tools

Do you own this home?
Claim this home

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

508 E Riddleville 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 70% of homes in Karnes County
  • Costs more per square foot than 75% of homes in Karnes City 78118
  • Smaller than 82% of homes in Karnes County
  • Has a smaller lot than 85% of homes in Karnes County

What homes are worth in Karnes City 78118

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

This home
$79K$582K

This home is worth more than 33% of homes in Karnes City 78118.

How it measures up in Karnes City 78118

The dot is this home. The mark in the middle is the typical home in Karnes City 78118.

Estimated value$137,940
CheaperTypical $164,356Pricier

Pricier than 33% of homes nearby

Price per ft²$151
CheaperTypical $120Pricier

Pricier than 75% of homes nearby

Living area912 ft²
SmallerTypical 1,352 ft²Bigger

Bigger than 19% of homes nearby

Lot size0.22 ac
SmallerTypical 0.5 acBigger

Bigger than 26% of homes nearby

Year built1974
OlderTypical 1968Newer

Newer than 58% of homes nearby

How 508 E Riddleville ranks against every home in each area.
MeasureThis homeKarnes City 78118Karnes County
Estimated valuepricier than$137,94033% of homes30% of homes
Price per ft²pricier than$15175% of homes62% of homes
Living areabigger than912 ft²19% of homes18% of homes
Lot sizebigger than0.22 ac26% of homes15% of homes
Year builtnewer than197458% of homes56% of homes

About 508 E Riddleville

How much is 508 E Riddleville, Karnes City, TX worth?

The TopHap Estimate for 508 E Riddleville, Karnes City, TX is $137,940 as of Oct 21, 2026. The likely range is $128,366 to $147,514. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 508 E Riddleville, Karnes City, TX last sell?

508 E Riddleville, Karnes City, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 508 E Riddleville, Karnes City, TX?

508 E Riddleville, Karnes City, TX has 912 square feet of living space and a 0.22-acre lot.

When was 508 E Riddleville, Karnes City, TX built?

508 E Riddleville, Karnes City, TX was built in 1974, making it 52 years old.

What schools serve 508 E Riddleville, Karnes City, TX?

508 E Riddleville, Karnes City, TX is assigned to Karnes City Primary School (elementary); Karnes City Junior High School (middle), rated D; Karnes City High School (high), rated C. All sit in Karnes City Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 508 E Riddleville, Karnes City, TX compare to other homes in Karnes City 78118?

Among the 2,645 homes in Karnes City 78118, it is worth more than 33% of them ($137,940 against a typical $164,356), its price per square foot is higher than 75% of them ($151 against a typical $120), it is bigger than 19% of them (912 ft² against a typical 1,352 ft²), its lot is bigger than 26% of them (0.22 ac against a typical 0.5 ac) and it is newer than 58% of them (1974 against a typical 1968). Measured against all of Karnes County, it is worth more than 30% 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 508 E Riddleville, Karnes City, TX?

The 2025 property tax bill for 508 E Riddleville, Karnes City, TX was $44. The county assessed it at $6,426.

More homes on E Riddleville

Closest homes

More homes in Karnes City 78118

Assigned schools

Explore the area

See this home in context

Open 508 E Riddleville 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