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Single Family ResidenceResidential
$178,811$222 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

186 ROBERTS ST

HARPER, TX 78631
1
Baths
806 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1941
Year BuiltThe year the home was originally built, according to county records.

Valuation

$179K
$170K low$188K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,212 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$128,890 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$42,580
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$86,310
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$136,880
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$128,890

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.51
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
80
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
90
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
39
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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
CountyGILLESPIE
Lot (acres)The size of the land the home sits on, from county records.0.23
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Pier/Post & Beam
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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 · 152 ft²

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

H
Harper High SchoolB+
High · Grades 9–12 · 0.6 mi
M
Harper Middle SchoolB+
Middle · Grades 5–8 · 0.6 mi
E
Harper Elementary SchoolA
Elementary · Grades PK–4 · 0.6 mi

District: Harper Independent School District

Neighborhood · ZIP 78631These 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.140
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.16

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.75%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.2,672
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,116
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,317
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.30 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.65%

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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

186 Roberts 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.

  • Among the least valuable homes in Gillespie County
  • Costs less per square foot than 90% of homes in Gillespie County
  • Smaller than 92% of homes in Gillespie County
  • Has a smaller lot than 91% of homes in Harper 78631
  • Older than 92% of homes in Harper 78631

What homes are worth in Harper 78631

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

This home
$179K$1M

This home is worth more than 2% of homes in Harper 78631.

How it measures up in Harper 78631

The dot is this home. The mark in the middle is the typical home in Harper 78631.

Estimated value$178,811
CheaperTypical $403,527Pricier

Pricier than 2% of homes nearby

Price per ft²$222
CheaperTypical $236Pricier

Pricier than 41% of homes nearby

Living area806 ft²
SmallerTypical 1,668 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.23 ac
SmallerTypical 1 acBigger

Bigger than 9% of homes nearby

Year built1941
OlderTypical 2002Newer

Newer than 8% of homes nearby

How 186 Roberts St ranks against every home in each area.
MeasureThis homeHarper 78631Gillespie County
Estimated valuepricier than$178,8112% of homesalmost no homes
Price per ft²pricier than$22241% of homes10% of homes
Living areabigger than806 ft²10% of homes8% of homes
Lot sizebigger than0.23 ac9% of homes23% of homes
Year builtnewer than19418% of homes8% of homes

About 186 Roberts St

How much is 186 Roberts St, Harper, TX worth?

The TopHap Estimate for 186 Roberts St, Harper, TX is $178,811 as of Oct 21, 2026. The likely range is $169,647 to $187,975. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 186 Roberts St, Harper, TX last sell?

186 Roberts St, Harper, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 186 Roberts St, Harper, TX?

186 Roberts St, Harper, TX has 1 bathrooms, 806 square feet of living space and a 0.23-acre lot.

When was 186 Roberts St, Harper, TX built?

186 Roberts St, Harper, TX was built in 1941, making it 85 years old.

What schools serve 186 Roberts St, Harper, TX?

186 Roberts St, Harper, TX is assigned to Harper High School (high), rated B+; Harper Middle School (middle), rated B+; Harper Elementary School (elementary), rated A. All sit in Harper Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 186 Roberts St, Harper, TX compare to other homes in Harper 78631?

Among the 1,655 homes in Harper 78631, it is worth more than 2% of them ($178,811 against a typical $403,527), its price per square foot is higher than 41% of them ($222 against a typical $236), it is bigger than 10% of them (806 ft² against a typical 1,668 ft²), its lot is bigger than 9% of them (0.23 ac against a typical 1 ac) and it is newer than 8% of them (1941 against a typical 2002). Measured against all of Gillespie County, it is worth more than almost no 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 186 Roberts St, Harper, TX?

The 2026 property tax bill for 186 Roberts St, Harper, TX was $1,212. The county assessed it at $128,890.

More homes on Roberts St

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