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Single Family ResidenceResidential
$441,878
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 83How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

3518 CASSINI DR

ROSHARON, TX 77583
0
Baths
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$442K
$365K low$518K 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.$441,878
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$353,502

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,528 (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.$245,275 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$41,205
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$204,070
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$233,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$245,275

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.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
Lot (acres)The size of the land the home sits on, from county records.0.21
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Meridiana Elementary SchoolA-
Elementary · Grades PK–5 · 0.4 mi
M
Jackie Doucet Caffey Junior High SchoolB+
Middle · Grades 6–8 · 10.8 mi
H
Iowa Colony High SchoolB+
High · Grades 9–12 · 10.8 mi

District: Alvin 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

3518 Cassini Dr 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 more than 84% 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
$183K$739K

This home is worth more than 84% of 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$441,878
CheaperTypical $314,337Pricier

Pricier than 84% of homes nearby

Lot size0.21 ac
SmallerTypical 0.17 acBigger

Bigger than 63% of homes nearby

How 3518 Cassini Dr ranks against every home in each area.
MeasureThis homeRosharon 77583Brazoria County
Estimated valuepricier than$441,87884% of homes77% of homes
Lot sizebigger than0.21 ac63% of homes44% of homes

About 3518 Cassini Dr

How much is 3518 Cassini Dr, Rosharon, TX worth?

The TopHap Estimate for 3518 Cassini Dr, Rosharon, TX is $441,878 as of Jul 14, 2026. The likely range is $365,272 to $518,484. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

What schools serve 3518 Cassini Dr, Rosharon, TX?

3518 Cassini Dr, Rosharon, TX is assigned to Meridiana Elementary School (elementary), rated A-; Jackie Doucet Caffey Junior High School (middle), rated B+; Iowa Colony High School (high), rated B+. All sit in Alvin Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3518 Cassini Dr, Rosharon, TX compare to other homes in Rosharon 77583?

Among the 22,126 homes in Rosharon 77583, it is worth more than 84% of them ($441,878 against a typical $314,337) and its lot is bigger than 63% of them (0.21 ac against a typical 0.17 ac). Measured against all of Brazoria County, it is worth more than 77% 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 3518 Cassini Dr, Rosharon, TX?

The 2024 property tax bill for 3518 Cassini Dr, Rosharon, TX was $2,528. The county assessed it at $245,275.

Closest homes

More homes in Rosharon 77583

Assigned schools

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