Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$175,928$118 / 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 91How 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 $192,800 on Aug 13, 2020

509 HAROLD LN

BAYTOWN, TX 77521
3
Beds
1.5
Baths
1,487 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.
1954
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$176K
$160K low$192K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$192,800 · Aug 13, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,259 (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.$173,904 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$137,404
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$172,795
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$173,904

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.49%
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.''

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
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyHARRIS
Lot (acres)The size of the land the home sits on, from county records.0.16
ConstructionThe main material the home's frame and walls are built from.Brick
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
ViewThe type of view from the property, or another feature of the site that affects value.Neighborhood
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 372 ft²

Transaction History(4)

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
Robert E. Lee High SchoolC
High · Grades 9–12 · 1.7 mi
M
Horace Mann Junior SchoolD+
Middle · Grades 6–8 · 2.0 mi
E
Alamo Elementary SchoolC+
Elementary · Grades KG–5 · 2.9 mi

District: Goose Creek Consolidated Independent School District

Neighborhood · ZIP 77521These 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.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.14%
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.1.5%
PopulationHow many people live in this area.70,642
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,469 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,289
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,673
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.56 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

Owner Tools

Do you own this home?
Claim this home

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 Harold Ln 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 Baytown 77521
  • Costs less per square foot than 87% of homes in Harris County
  • Smaller than 72% of homes in Baytown 77521
  • Older than 97% of homes in Baytown 77521

What homes are worth in Baytown 77521

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

This home
$148K$520K

This home is worth more than 6% of homes in Baytown 77521.

How it measures up in Baytown 77521

The dot is this home. The mark in the middle is the typical home in Baytown 77521.

Estimated value$175,928
CheaperTypical $259,713Pricier

Pricier than 6% of homes nearby

Price per ft²$118
CheaperTypical $138Pricier

Pricier than 20% of homes nearby

Living area1,487 ft²
SmallerTypical 1,810 ft²Bigger

Bigger than 28% of homes nearby

Lot size0.16 ac
SmallerTypical 0.17 acBigger

Bigger than 43% of homes nearby

Year built1954
OlderTypical 2001Newer

Newer than 3% of homes nearby

How 509 Harold Ln ranks against every home in each area.
MeasureThis homeGoose CreekBaytown 77521Harris County
Estimated valuepricier than$175,92859% of homes6% of homes9% of homes
Price per ft²pricier than$11845% of homes20% of homes13% of homes
Living areabigger than1,487 ft²60% of homes28% of homes28% of homes
Lot sizebigger than0.16 ac45% of homes43% of homes44% of homes
Year builtnewer than195457% of homes3% of homes11% of homes

About 509 Harold Ln

How much is 509 Harold Ln, Baytown, TX worth?

The TopHap Estimate for 509 Harold Ln, Baytown, TX is $175,928 as of Sep 24, 2026. The likely range is $160,326 to $191,530. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Harold Ln, Baytown, TX last sell?

509 Harold Ln, Baytown, TX last sold on Aug 13, 2020 for $192,800, according to the county's recorded deed.

How big is 509 Harold Ln, Baytown, TX?

509 Harold Ln, Baytown, TX has 3 bedrooms, 1.5 bathrooms, 1,487 square feet of living space and a 0.16-acre lot.

When was 509 Harold Ln, Baytown, TX built?

509 Harold Ln, Baytown, TX was built in 1954, making it 72 years old. It is a traditional/old home. The building has 1 story.

What schools serve 509 Harold Ln, Baytown, TX?

509 Harold Ln, Baytown, TX is assigned to Robert E. Lee High School (high), rated C; Horace Mann Junior School (middle), rated D+; Alamo Elementary School (elementary), rated C+. All sit in Goose Creek Consolidated Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Harold Ln, Baytown, TX compare to other homes in Baytown 77521?

Among the 20,713 homes in Baytown 77521, it is worth more than 6% of them ($175,928 against a typical $259,713), its price per square foot is higher than 20% of them ($118 against a typical $138), it is bigger than 28% of them (1,487 ft² against a typical 1,810 ft²), its lot is bigger than 43% of them (0.16 ac against a typical 0.17 ac) and it is newer than 3% of them (1954 against a typical 2001). Measured against all of Harris County, it is worth more than 9% 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 Harold Ln, Baytown, TX?

The 2025 property tax bill for 509 Harold Ln, Baytown, TX was $2,259. The county assessed it at $173,904.

More homes on Harold Ln

Closest homes

More homes in Baytown 77521

Assigned schools

Explore the area

See this home in context

Open 509 Harold Ln on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map