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Single Family ResidenceResidential
$135,051$63 / 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 84How 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

817 ROCK ISLAND AVE

DALHART, TX 79022
3
Beds
0
Baths
2,146 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$135K
$113K low$157K 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.$135,051
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$108,041

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$291 (2022)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$111,580 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$104,080
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$101,980
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$111,580

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDallam
Lot (acres)The size of the land the home sits on, from county records.0.16

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

E
Dalhart Elementary School
Elementary · Grades PK–2 · 0.7 mi
M
Dalhart Jr High SchoolC
Middle · Grades 6–8 · 1.2 mi
H
Dalhart High SchoolC+
High · Grades 9–12 · 1.6 mi

District: Dalhart Independent School District

Neighborhood · ZIP 79022These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.35

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.84%
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.5.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.11,234
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.$71,445
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,338
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.17 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%

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

817 Rock Island Ave 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 72% of homes in Dalhart 79022
  • Costs less per square foot than 68% of homes in Dalhart 79022
  • Has a smaller lot than 90% of homes in Dallam County

What homes are worth in Dalhart 79022

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

This home
$42K$452K

This home is worth more than 28% of homes in Dalhart 79022.

How it measures up in Dalhart 79022

The dot is this home. The mark in the middle is the typical home in Dalhart 79022.

Estimated value$135,051
CheaperTypical $191,575Pricier

Pricier than 28% of homes nearby

Price per ft²$63
CheaperTypical $78Pricier

Pricier than 32% of homes nearby

Living area2,146 ft²
SmallerTypical 2,325 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.16 ac
SmallerTypical 0.21 acBigger

Bigger than 11% of homes nearby

How 817 Rock Island Ave ranks against every home in each area.
MeasureThis homeDalhart 79022Dallam County
Estimated valuepricier than$135,05128% of homes49% of homes
Price per ft²pricier than$6332% of homes47% of homes
Living areabigger than2,146 ft²44% of homes54% of homes
Lot sizebigger than0.16 ac11% of homes10% of homes

About 817 Rock Island Ave

How much is 817 Rock Island Ave, Dalhart, TX worth?

The TopHap Estimate for 817 Rock Island Ave, Dalhart, TX is $135,051 as of Jun 23, 2026. The likely range is $113,442 to $156,659. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 817 Rock Island Ave, Dalhart, TX last sell?

817 Rock Island Ave, Dalhart, TX last sold on Nov 3, 2017, according to the county's recorded deed.

How big is 817 Rock Island Ave, Dalhart, TX?

817 Rock Island Ave, Dalhart, TX has 3 bedrooms, 2,146 square feet of living space and a 0.16-acre lot.

What schools serve 817 Rock Island Ave, Dalhart, TX?

817 Rock Island Ave, Dalhart, TX is assigned to Dalhart Elementary School (elementary); Dalhart Jr High School (middle), rated C; Dalhart High School (high), rated C+. All sit in Dalhart Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 817 Rock Island Ave, Dalhart, TX compare to other homes in Dalhart 79022?

Among the 3,925 homes in Dalhart 79022, it is worth more than 28% of them ($135,051 against a typical $191,575), its price per square foot is higher than 32% of them ($63 against a typical $78), it is bigger than 44% of them (2,146 ft² against a typical 2,325 ft²) and its lot is bigger than 11% of them (0.16 ac against a typical 0.21 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 817 Rock Island Ave, Dalhart, TX?

The 2022 property tax bill for 817 Rock Island Ave, Dalhart, TX was $291. The county assessed it at $111,580.

Closest homes

More homes in Dalhart 79022

Assigned schools

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