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Single Family ResidenceResidential
$153,869$109 / 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 90How 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

90 ALTRNT RTE E

ROCK ISLAND, TX 77470
0
Baths
1,417 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.
0.62 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.

Valuation

$154K
$138K low$169K 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.$153,869
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$123,095

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$253 (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.$124,250 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,870
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$113,380
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$114,880
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$124,250

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.49
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
60
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
95
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
55
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
37
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.0.62

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.

H
Columbus High SchoolB-
High · Grades 9–12 · 11.5 mi
E
Columbus Elementary SchoolB+
Elementary · Grades PK–5 · 11.8 mi
M
Columbus Jr High SchoolC+
Middle · Grades 6–8 · 12.3 mi

District: Columbus Independent School District

Neighborhood · ZIP 77470These 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.9
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%

Ownership

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

90 Altrnt Rte E 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 82% of homes in Colorado County
  • Costs less per square foot than 84% of homes in Colorado County
  • Has a smaller lot than 71% of homes in Rock Island 77470

What homes are worth in Rock Island 77470

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

This home
$78K$637K

This home is worth more than 54% of homes in Rock Island 77470.

How it measures up in Rock Island 77470

The dot is this home. The mark in the middle is the typical home in Rock Island 77470.

Estimated value$153,869
CheaperTypical $147,101Pricier

Pricier than 54% of homes nearby

Price per ft²$109
CheaperTypical $108Pricier

Pricier than 52% of homes nearby

Living area1,417 ft²
SmallerTypical 1,291 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.62 ac
SmallerTypical 1 acBigger

Bigger than 29% of homes nearby

Year built1977
OlderTypical 1982Newer

Newer than 43% of homes nearby

How 90 Altrnt Rte E ranks against every home in each area.
MeasureThis homeRock Island 77470Colorado County
Estimated valuepricier than$153,86954% of homes18% of homes
Price per ft²pricier than$10952% of homes16% of homes
Living areabigger than1,417 ft²59% of homes44% of homes
Lot sizebigger than0.62 ac29% of homes49% of homes
Year builtnewer than197743% of homes46% of homes

About 90 Altrnt Rte E

How much is 90 Altrnt Rte E, Rock Island, TX worth?

The TopHap Estimate for 90 Altrnt Rte E, Rock Island, TX is $153,869 as of Jun 23, 2026. The likely range is $138,482 to $169,255. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 90 Altrnt Rte E, Rock Island, TX last sell?

90 Altrnt Rte E, Rock Island, TX last sold on Jan 4, 2022, according to the county's recorded deed.

How big is 90 Altrnt Rte E, Rock Island, TX?

90 Altrnt Rte E, Rock Island, TX has 1,417 square feet of living space and a 0.62-acre lot.

When was 90 Altrnt Rte E, Rock Island, TX built?

90 Altrnt Rte E, Rock Island, TX was built in 1977, making it 49 years old.

What schools serve 90 Altrnt Rte E, Rock Island, TX?

90 Altrnt Rte E, Rock Island, TX is assigned to Columbus High School (high), rated B-; Columbus Elementary School (elementary), rated B+; Columbus Jr High School (middle), rated C+. All sit in Columbus Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 90 Altrnt Rte E, Rock Island, TX compare to other homes in Rock Island 77470?

Among the 233 homes in Rock Island 77470, it is worth more than 54% of them ($153,869 against a typical $147,101), its price per square foot is higher than 52% of them ($109 against a typical $108), it is bigger than 59% of them (1,417 ft² against a typical 1,291 ft²), its lot is bigger than 29% of them (0.62 ac against a typical 1 ac) and it is newer than 43% of them (1977 against a typical 1982). Measured against all of Colorado County, it is worth more than 18% 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 90 Altrnt Rte E, Rock Island, TX?

The 2025 property tax bill for 90 Altrnt Rte E, Rock Island, TX was $253. The county assessed it at $124,250.

More homes on Altrnt Rte E

Closest homes

More homes in Rock Island 77470

Assigned schools

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