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Single Family ResidenceResidential
$350,000$331 / 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 96How 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

510 N RIVER ST

SEGUIN, TX 78155
0
Baths
1,059 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1919
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$350K
$335K low$365K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,008 (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.$170,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,863
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$133,137
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$156,108
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$170,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyGUADALUPE
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.2016
Lot (acres)The size of the land the home sits on, from county records.0.18
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
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 · 140 ft²Porch · 403 ft²

Transaction History(3)

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
Jefferson Elementary SchoolC
Elementary · Grades KG–5 · 0.9 mi
H
Seguin High SchoolD+
High · Grades 9–12 · 1.1 mi
M
Jim Barnes Middle SchoolD-
Middle · Grades 6–8 · 1.9 mi

District: Seguin Independent School District

Neighborhood · ZIP 78155These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.15%
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.1.2%
PopulationHow many people live in this area.58,962
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.164 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,238
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,092
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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

510 N River 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 more than 76% of homes in Seguin 78155
  • Costs more per square foot than 98% of homes in Guadalupe County
  • Smaller than 92% of homes in Guadalupe County
  • Among the oldest homes in Seguin 78155

What homes are worth in Seguin 78155

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

This home
$107K$719K

This home is worth more than 76% of homes in Seguin 78155.

How it measures up in Seguin 78155

The dot is this home. The mark in the middle is the typical home in Seguin 78155.

Estimated value$350,000
CheaperTypical $270,003Pricier

Pricier than 76% of homes nearby

Price per ft²$331
CheaperTypical $159Pricier

Pricier than 97% of homes nearby

Living area1,059 ft²
SmallerTypical 1,631 ft²Bigger

Bigger than 14% of homes nearby

Lot size0.18 ac
SmallerTypical 0.23 acBigger

Bigger than 41% of homes nearby

Year built1919
OlderTypical 2000Newer

Older than almost all homes nearby

How 510 N River St ranks against every home in each area.
MeasureThis homeSeguin 78155Guadalupe County
Estimated valuepricier than$350,00076% of homes69% of homes
Price per ft²pricier than$33197% of homes98% of homes
Living areabigger than1,059 ft²14% of homes8% of homes
Lot sizebigger than0.18 ac41% of homes50% of homes
Year builtnewer than1919almost no homesalmost no homes

About 510 N River St

How much is 510 N River St, Seguin, TX worth?

The TopHap Estimate for 510 N River St, Seguin, TX is $350,000 as of Aug 30, 2026. The likely range is $335,072 to $364,928. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 510 N River St, Seguin, TX last sell?

510 N River St, Seguin, TX last sold on Nov 20, 2023, according to the county's recorded deed.

How big is 510 N River St, Seguin, TX?

510 N River St, Seguin, TX has 1,059 square feet of living space and a 0.18-acre lot.

When was 510 N River St, Seguin, TX built?

510 N River St, Seguin, TX was built in 1919, making it 107 years old. The building has 1 story.

What schools serve 510 N River St, Seguin, TX?

510 N River St, Seguin, TX is assigned to Jefferson Elementary School (elementary), rated C; Seguin High School (high), rated D+; Jim Barnes Middle School (middle), rated D-. All sit in Seguin Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 510 N River St, Seguin, TX compare to other homes in Seguin 78155?

Among the 25,751 homes in Seguin 78155, it is worth more than 76% of them ($350,000 against a typical $270,003), its price per square foot is higher than 97% of them ($331 against a typical $159), it is bigger than 14% of them (1,059 ft² against a typical 1,631 ft²), its lot is bigger than 41% of them (0.18 ac against a typical 0.23 ac) and it is newer than almost none of them (1919 against a typical 2000). Measured against all of Guadalupe County, it is worth more than 69% 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 510 N River St, Seguin, TX?

The 2025 property tax bill for 510 N River St, Seguin, TX was $3,008. The county assessed it at $170,000.

More homes on N River St

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Assigned schools

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