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Single Family ResidenceResidential
$33,793$19 / 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 53How 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

18318 HOLLY ST

ROSHARON, TX 77583
7
Baths
1,764 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.
0.89 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$34K
$18K low$50K 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.$33,793
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$27,034

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$894 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$59,130 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$46,380
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$59,730
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$59,130

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.60
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
43
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.
57
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
71
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.1 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
CountyBrazoria
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.2000
Lot (acres)The size of the land the home sits on, from county records.0.89
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Heartland Elementary School
Elementary · Grades PK–5 · 9.7 mi
M
Heritage Junior High School
Middle · Grades 6–8 · 9.7 mi
H
Angleton High SchoolC+
High · Grades 9–12 · 13.1 mi

District: Angleton Independent School District

Neighborhood · ZIP 77583These 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.72
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
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.47,650
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.298 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,106
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,090
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.52 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

18318 Holly 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 Rosharon 77583
  • Among the lowest price per square foot in Rosharon 77583
  • Smaller than 66% of homes in Rosharon 77583
  • Has a bigger lot than 85% of homes in Rosharon 77583
  • Older than 98% of homes in Rosharon 77583

What homes are worth in Rosharon 77583

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

This home
$184K$755K

This home is worth less than almost all homes in Rosharon 77583.

How it measures up in Rosharon 77583

The dot is this home. The mark in the middle is the typical home in Rosharon 77583.

Estimated value$33,793
CheaperTypical $314,001Pricier

Cheaper than almost all homes nearby

Price per ft²$19
CheaperTypical $153Pricier

Cheaper than almost all homes nearby

Living area1,764 ft²
SmallerTypical 2,042 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.89 ac
SmallerTypical 0.17 acBigger

Bigger than 85% of homes nearby

Year built1972
OlderTypical 2018Newer

Newer than 2% of homes nearby

How 18318 Holly St ranks against every home in each area.
MeasureThis homeRosharon 77583Brazoria County
Estimated valuepricier than$33,793almost no homesalmost no homes
Price per ft²pricier than$19almost no homesalmost no homes
Living areabigger than1,764 ft²34% of homes42% of homes
Lot sizebigger than0.89 ac85% of homes81% of homes
Year builtnewer than19722% of homes19% of homes

About 18318 Holly St

How much is 18318 Holly St, Rosharon, TX worth?

The TopHap Estimate for 18318 Holly St, Rosharon, TX is $33,793 as of Jun 23, 2026. The likely range is $17,910 to $49,675. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18318 Holly St, Rosharon, TX last sell?

18318 Holly St, Rosharon, TX last sold on Sep 21, 2020, according to the county's recorded deed.

How big is 18318 Holly St, Rosharon, TX?

18318 Holly St, Rosharon, TX has 7 bathrooms, 1,764 square feet of living space and a 0.89-acre lot.

When was 18318 Holly St, Rosharon, TX built?

18318 Holly St, Rosharon, TX was built in 1972, making it 54 years old. The building has 2 stories.

What schools serve 18318 Holly St, Rosharon, TX?

18318 Holly St, Rosharon, TX is assigned to Heartland Elementary School (elementary); Heritage Junior High School (middle); Angleton High School (high), rated C+. All sit in Angleton Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18318 Holly St, Rosharon, TX compare to other homes in Rosharon 77583?

Among the 22,137 homes in Rosharon 77583, it is worth more than almost none of them ($33,793 against a typical $314,001), its price per square foot is higher than almost none of them ($19 against a typical $153), it is bigger than 34% of them (1,764 ft² against a typical 2,042 ft²), its lot is bigger than 85% of them (0.89 ac against a typical 0.17 ac) and it is newer than 2% of them (1972 against a typical 2018). Measured against all of Brazoria 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 18318 Holly St, Rosharon, TX?

The 2024 property tax bill for 18318 Holly St, Rosharon, TX was $894. The county assessed it at $59,130.

Closest homes

More homes in Rosharon 77583

Assigned schools

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