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Single Family ResidenceResidential
$321,128
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 Jun 23, 2026

140 THUNDERBIRD LN

SEGUIN, TX 78155
0
Baths
5.6 ac
Lot SizeThe size of the land the home sits on, from county records.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$321K
$308K low$334K high
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.$83,193
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$66,554
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.74%
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.$237,935
WILLIAM T FUNDERBURG ETUX · P · recorded Mar 9, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,572 (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.$323,482 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$186,784
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$136,698
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$323,489
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$323,482

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyGUADALUPE
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

Foreclosure Filings(1)

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

H
Seguin High SchoolD+
High · Grades 9–12 · 2.5 mi
E
Koennecke Elementary SchoolB-
Elementary · Grades KG–5 · 2.5 mi
M
Jim Barnes Middle SchoolD-
Middle · Grades 6–8 · 2.5 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

140 Thunderbird Ln 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.

  • Has a bigger lot than 97% of homes in Guadalupe County

What homes are worth in Guadalupe County

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

This home
$89K$680K

This home is worth more than 71% of homes in Guadalupe County.

How it measures up in Guadalupe County

The dot is this home. The mark in the middle is the typical home in Guadalupe County.

Estimated value$321,128
CheaperTypical $310,450Pricier

Pricier than 55% of homes nearby

Lot size5.6 ac
SmallerTypical 0.19 acBigger

Bigger than 97% of homes nearby

How 140 Thunderbird Ln ranks against every home in each area.
MeasureThis homeGuadalupe County
Estimated valuepricier than$321,12855% of homes
Lot sizebigger than5.6 ac97% of homes

About 140 Thunderbird Ln

How much is 140 Thunderbird Ln, Seguin, TX worth?

The TopHap Estimate for 140 Thunderbird Ln, Seguin, TX is $321,128 as of Jun 23, 2026. The likely range is $308,282 to $333,973. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 140 Thunderbird Ln, Seguin, TX last sell?

140 Thunderbird Ln, Seguin, TX last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 140 Thunderbird Ln, Seguin, TX?

140 Thunderbird Ln, Seguin, TX is assigned to Seguin High School (high), rated D+; Koennecke Elementary School (elementary), rated B-; 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 140 Thunderbird Ln, Seguin, TX compare to other homes in Guadalupe County?

Among the 87,200 homes in Guadalupe County, it is worth more than 55% of them ($321,128 against a typical $310,450) and its lot is bigger than 97% of them (5.6 ac against a typical 0.19 ac). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 140 Thunderbird Ln, Seguin, TX?

The 2025 property tax bill for 140 Thunderbird Ln, Seguin, TX was $4,572. The county assessed it at $323,482.

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Assigned schools

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