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Single Family ResidenceResidential
$171,264$91 / 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 93How 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
Last sold for $181,900 on Jan 2, 2020

509 NORTH LOOP

HOUSTON, TX 77018
3
Beds
2
Baths
1,880 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.
0.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1938
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$171K
$159K low$184K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$181,900 · Jan 2, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,412 (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.$151,072 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$137,338
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$199,080

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.50
41
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
38
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
99
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
54
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

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
CountyWHARTON
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1978
Lot (acres)The size of the land the home sits on, from county records.0.37
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
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 · 186 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.

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

M
Wharton Jr High SchoolC-
Middle · Grades 6–8 · 0.4 mi
E
C G Sivells Elementary School
Elementary · Grades PK–1 · 0.9 mi
H
Wharton High SchoolD-
High · Grades 9–12 · 1.4 mi

District: Wharton Independent School District

Neighborhood · ZIP 77018These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.29,195
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,310 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$118,915
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$153,300
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.51 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

509 North Loop 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 Houston 77018
  • Among the lowest price per square foot in Houston 77018
  • Bigger than 71% of homes in Wharton County
  • Has a bigger lot than 96% of homes in Houston 77018
  • Older than 97% of homes in Houston 77018

What homes are worth in Houston 77018

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

This home
$259K$1.7M

This home is worth less than almost all homes in Houston 77018.

How it measures up in Houston 77018

The dot is this home. The mark in the middle is the typical home in Houston 77018.

Estimated value$171,264
CheaperTypical $582,703Pricier

Cheaper than almost all homes nearby

Price per ft²$91
CheaperTypical $308Pricier

Cheaper than almost all homes nearby

Living area1,880 ft²
SmallerTypical 1,952 ft²Bigger

Bigger than 46% of homes nearby

Lot size0.37 ac
SmallerTypical 0.17 acBigger

Bigger than 96% of homes nearby

Year built1938
OlderTypical 1966Newer

Newer than 3% of homes nearby

How 509 North Loop ranks against every home in each area.
MeasureThis homeHouston 77018Wharton County
Estimated valuepricier than$171,264almost no homes41% of homes
Price per ft²pricier than$91almost no homes14% of homes
Living areabigger than1,880 ft²46% of homes71% of homes
Lot sizebigger than0.37 ac96% of homes50% of homes
Year builtnewer than19383% of homes9% of homes

About 509 North Loop

How much is 509 North Loop, Houston, TX worth?

The TopHap Estimate for 509 North Loop, Houston, TX is $171,264 as of Sep 24, 2026. The likely range is $158,762 to $183,766. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 North Loop, Houston, TX last sell?

509 North Loop, Houston, TX last sold on Jan 2, 2020 for $181,900, according to the county's recorded deed.

How big is 509 North Loop, Houston, TX?

509 North Loop, Houston, TX has 3 bedrooms, 2 bathrooms, 1,880 square feet of living space and a 0.37-acre lot.

When was 509 North Loop, Houston, TX built?

509 North Loop, Houston, TX was built in 1938, making it 88 years old. The building has 1 story.

What schools serve 509 North Loop, Houston, TX?

509 North Loop, Houston, TX is assigned to Wharton Jr High School (middle), rated C-; C G Sivells Elementary School (elementary); Wharton High School (high), rated D-. All sit in Wharton Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 North Loop, Houston, TX compare to other homes in Houston 77018?

Among the 12,015 homes in Houston 77018, it is worth more than almost none of them ($171,264 against a typical $582,703), its price per square foot is higher than almost none of them ($91 against a typical $308), it is bigger than 46% of them (1,880 ft² against a typical 1,952 ft²), its lot is bigger than 96% of them (0.37 ac against a typical 0.17 ac) and it is newer than 3% of them (1938 against a typical 1966). Measured against all of Wharton County, it is worth more than 41% 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 509 North Loop, Houston, TX?

The 2025 property tax bill for 509 North Loop, Houston, TX was $1,412. The county assessed it at $151,072.

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Assigned schools

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