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Single Family ResidenceResidential
$88,102$58 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

1141 CHALLENGE ST

ALTAIR, TX 77412
0
Baths
1,512 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$88K
$83K low$94K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$99 (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.$76,860 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$61,860
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$68,940
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$76,860

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.45
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
56
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
96
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
56
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
20
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCOLORADO
Lot (acres)The size of the land the home sits on, from county records.0.43
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 · 191 ft²

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Neighborhood · ZIP 77412These 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.145
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.79%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.9%
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.1.3%
PopulationHow many people live in this area.6
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$40,684
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$55,418
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

1141 Challenge 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 less than 94% of homes in Colorado County
  • Costs less per square foot than 98% of homes in Colorado County
  • Has a smaller lot than 70% of homes in Altair 77412
  • Older than 91% of homes in Altair 77412

What homes are worth in Altair 77412

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

This home
$64K$413K

This home is worth more than 24% of homes in Altair 77412.

How it measures up in Altair 77412

The dot is this home. The mark in the middle is the typical home in Altair 77412.

Estimated value$88,102
CheaperTypical $129,591Pricier

Pricier than 24% of homes nearby

Price per ft²$58
CheaperTypical $110Pricier

Pricier than 3% of homes nearby

Living area1,512 ft²
SmallerTypical 1,310 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.43 ac
SmallerTypical 1.09 acBigger

Bigger than 30% of homes nearby

Year built1940
OlderTypical 1995Newer

Newer than 9% of homes nearby

How 1141 Challenge St ranks against every home in each area.
MeasureThis homeAltair 77412Colorado County
Estimated valuepricier than$88,10224% of homes6% of homes
Price per ft²pricier than$583% of homes2% of homes
Living areabigger than1,512 ft²60% of homes49% of homes
Lot sizebigger than0.43 ac30% of homes39% of homes
Year builtnewer than19409% of homes16% of homes

About 1141 Challenge St

How much is 1141 Challenge St, Altair, TX worth?

The TopHap Estimate for 1141 Challenge St, Altair, TX is $88,102 as of Sep 24, 2026. The likely range is $82,542 to $93,662. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1141 Challenge St, Altair, TX last sell?

1141 Challenge St, Altair, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1141 Challenge St, Altair, TX?

1141 Challenge St, Altair, TX has 1,512 square feet of living space and a 0.43-acre lot.

When was 1141 Challenge St, Altair, TX built?

1141 Challenge St, Altair, TX was built in 1940, making it 86 years old. The building has 1 story.

How does 1141 Challenge St, Altair, TX compare to other homes in Altair 77412?

Among the 134 homes in Altair 77412, it is worth more than 24% of them ($88,102 against a typical $129,591), its price per square foot is higher than 3% of them ($58 against a typical $110), it is bigger than 60% of them (1,512 ft² against a typical 1,310 ft²), its lot is bigger than 30% of them (0.43 ac against a typical 1.09 ac) and it is newer than 9% of them (1940 against a typical 1995). Measured against all of Colorado County, it is worth more than 6% 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 1141 Challenge St, Altair, TX?

The 2025 property tax bill for 1141 Challenge St, Altair, TX was $99. The county assessed it at $76,860.

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