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Single Family ResidenceResidential
$560,075$282 / 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 Aug 30, 2026

17405 FM 521 RD

ROSHARON, TX 77583
1
Baths
1,985 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.
7.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$560K
$508K low$613K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,904 (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.$361,434 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$401,970
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$232,980
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$328,576
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$634,950

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.7.24
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Electric
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Patio · 660 ft²Porch · 20 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.

E
Heartland Elementary School
Elementary · Grades PK–5 · 8.1 mi
M
Heritage Junior High School
Middle · Grades 6–8 · 8.1 mi
H
Angleton High SchoolC+
High · Grades 9–12 · 9.8 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%

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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

17405 Fm 521 Rd 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 94% of homes in Rosharon 77583
  • Costs more per square foot than 97% of homes in Rosharon 77583
  • Has a bigger lot than 98% of homes in Rosharon 77583
  • Older than 89% 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
$180K$721K

This home is worth more than 94% 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$560,075
CheaperTypical $309,110Pricier

Pricier than 94% of homes nearby

Price per ft²$282
CheaperTypical $150Pricier

Pricier than 97% of homes nearby

Living area1,985 ft²
SmallerTypical 2,040 ft²Bigger

Bigger than 48% of homes nearby

Lot size7.24 ac
SmallerTypical 0.17 acBigger

Bigger than 98% of homes nearby

Year built1999
OlderTypical 2018Newer

Newer than 11% of homes nearby

How 17405 Fm 521 Rd ranks against every home in each area.
MeasureThis homeRosharon 77583Brazoria County
Estimated valuepricier than$560,07594% of homes91% of homes
Price per ft²pricier than$28297% of homes96% of homes
Living areabigger than1,985 ft²48% of homes53% of homes
Lot sizebigger than7.24 ac98% of homes98% of homes
Year builtnewer than199911% of homes49% of homes

About 17405 Fm 521 Rd

How much is 17405 Fm 521 Rd, Rosharon, TX worth?

The TopHap Estimate for 17405 Fm 521 Rd, Rosharon, TX is $560,075 as of Aug 30, 2026. The likely range is $507,649 to $612,501. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17405 Fm 521 Rd, Rosharon, TX last sell?

17405 Fm 521 Rd, Rosharon, TX last sold on Mar 28, 2017, according to the county's recorded deed.

How big is 17405 Fm 521 Rd, Rosharon, TX?

17405 Fm 521 Rd, Rosharon, TX has 1 bathrooms, 1,985 square feet of living space and a 7.24-acre lot.

When was 17405 Fm 521 Rd, Rosharon, TX built?

17405 Fm 521 Rd, Rosharon, TX was built in 1999, making it 27 years old. The building has 1 story.

What schools serve 17405 Fm 521 Rd, Rosharon, TX?

17405 Fm 521 Rd, 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 17405 Fm 521 Rd, Rosharon, TX compare to other homes in Rosharon 77583?

Among the 22,099 homes in Rosharon 77583, it is worth more than 94% of them ($560,075 against a typical $309,110), its price per square foot is higher than 97% of them ($282 against a typical $150), it is bigger than 48% of them (1,985 ft² against a typical 2,040 ft²), its lot is bigger than 98% of them (7.24 ac against a typical 0.17 ac) and it is newer than 11% of them (1999 against a typical 2018). Measured against all of Brazoria County, it is worth more than 91% 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 17405 Fm 521 Rd, Rosharon, TX?

The 2024 property tax bill for 17405 Fm 521 Rd, Rosharon, TX was $3,904. The county assessed it at $361,434.

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