Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$104,737$140 / 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 Jul 14, 2026
Last sold for $38,800 on Nov 10, 2016

519 W SEIDEMAN ST

SEGUIN, TX 78155
0
Baths
748 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.
1967
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$105K
$100K low$109K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$38,800 · Nov 10, 2016
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.$73,737
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$58,990
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.30%
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.$31,000
DOMINGO VALLEJO · recorded Nov 10, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,702 (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.$57,032 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,897
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$20,135
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$88,358
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$57,032

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.2000
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 48 ft²

Transaction History(2)

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
Patlan Elementary SchoolB-
Elementary · Grades KG–5 · 0.9 mi
H
Seguin High SchoolD+
High · Grades 9–12 · 1.5 mi
M
A.J. Briesemeister Middle SchoolC-
Middle · Grades 6–8 · 1.7 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
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

519 W Seideman 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.

  • Among the least valuable homes in Guadalupe County
  • Costs less per square foot than 72% of homes in Seguin 78155
  • Smaller than 98% of homes in Guadalupe County
  • Older than 93% of homes in Guadalupe County

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
$96K$719K

This home is worth more than 3% 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$104,737
CheaperTypical $269,222Pricier

Pricier than 3% of homes nearby

Price per ft²$140
CheaperTypical $158Pricier

Pricier than 28% of homes nearby

Living area748 ft²
SmallerTypical 1,627 ft²Bigger

Bigger than 4% of homes nearby

Lot size0.22 ac
SmallerTypical 0.24 acBigger

Bigger than 48% of homes nearby

Year built1967
OlderTypical 2000Newer

Newer than 16% of homes nearby

How 519 W Seideman St ranks against every home in each area.
MeasureThis homeSeguin 78155Guadalupe County
Estimated valuepricier than$104,7373% of homesalmost no homes
Price per ft²pricier than$14028% of homes28% of homes
Living areabigger than748 ft²4% of homes2% of homes
Lot sizebigger than0.22 ac48% of homes64% of homes
Year builtnewer than196716% of homes7% of homes

About 519 W Seideman St

How much is 519 W Seideman St, Seguin, TX worth?

The TopHap Estimate for 519 W Seideman St, Seguin, TX is $104,737 as of Jul 14, 2026. The likely range is $100,340 to $109,134. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 519 W Seideman St, Seguin, TX last sell?

519 W Seideman St, Seguin, TX last sold on Nov 10, 2016 for $38,800, according to the county's recorded deed.

How big is 519 W Seideman St, Seguin, TX?

519 W Seideman St, Seguin, TX has 748 square feet of living space and a 0.22-acre lot.

When was 519 W Seideman St, Seguin, TX built?

519 W Seideman St, Seguin, TX was built in 1967, making it 59 years old. The building has 1 story.

What schools serve 519 W Seideman St, Seguin, TX?

519 W Seideman St, Seguin, TX is assigned to Patlan Elementary School (elementary), rated B-; Seguin High School (high), rated D+; A.J. Briesemeister Middle School (middle), rated C-. All sit in Seguin Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 519 W Seideman St, Seguin, TX compare to other homes in Seguin 78155?

Among the 26,236 homes in Seguin 78155, it is worth more than 3% of them ($104,737 against a typical $269,222), its price per square foot is higher than 28% of them ($140 against a typical $158), it is bigger than 4% of them (748 ft² against a typical 1,627 ft²), its lot is bigger than 48% of them (0.22 ac against a typical 0.24 ac) and it is newer than 16% of them (1967 against a typical 2000). Measured against all of Guadalupe County, it is worth more than almost no 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 519 W Seideman St, Seguin, TX?

The 2025 property tax bill for 519 W Seideman St, Seguin, TX was $1,702. The county assessed it at $57,032.

Closest homes

More homes in Seguin 78155

Assigned schools

Explore the area

See this home in context

Open 519 W Seideman St 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