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Single Family ResidenceResidential
$281,352
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 95How 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

BLACKJACK OAK

TX
0
Baths
3.37 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$281K
$268K low$295K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,219 (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.$154,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$133,280
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$21,020
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$157,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$154,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyGUADALUPE
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.

M
Jim Barnes Middle SchoolD-
Middle · Grades 6–8 · 7.6 mi
E
Koennecke Elementary SchoolB-
Elementary · Grades KG–5 · 7.8 mi
H
Seguin High SchoolD+
High · Grades 9–12 · 9.1 mi

District: Seguin Independent School District

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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

Blackjack Oak 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 96% 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$281,352
CheaperTypical $301,825Pricier

Pricier than 40% of homes nearby

Lot size3.37 ac
SmallerTypical 0.18 acBigger

Bigger than 96% of homes nearby

How Blackjack Oak ranks against every home in each area.
MeasureThis homeGuadalupe County
Estimated valuepricier than$281,35240% of homes
Lot sizebigger than3.37 ac96% of homes

About Blackjack Oak

How much is Blackjack Oak, , TX worth?

The TopHap Estimate for Blackjack Oak, , TX is $281,352 as of Aug 30, 2026. The likely range is $267,588 to $295,116. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Blackjack Oak, , TX last sell?

Blackjack Oak, , TX last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve Blackjack Oak, , TX?

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

How does Blackjack Oak, , TX compare to other homes in Guadalupe County?

Among the 88,851 homes in Guadalupe County, it is worth more than 40% of them ($281,352 against a typical $301,825) and its lot is bigger than 96% of them (3.37 ac against a typical 0.18 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 Blackjack Oak, , TX?

The 2025 property tax bill for Blackjack Oak, , TX was $2,219. The county assessed it at $154,300.

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