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Single Family ResidenceResidential
$285,021$112 / 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 95How 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

1820 ALLEN ST

ROSENBERG, TX 77471
4
Beds
2
Baths
2,540 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1961
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$285K
$271K low$299K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,080 (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.$304,142 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$121,268
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$182,874
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$304,142
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$304,142

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.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.minimal

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.Conventional
CountyFort Bend
Lot (acres)The size of the land the home sits on, from county records.0.30
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.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 280 ft²Porch · 117 ft²

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

E
Bowie Elementary SchoolB-
Elementary · Grades PK–5 · 0.4 mi
M
George Junior High SchoolD+
Middle · Grades 7–8 · 2.4 mi
H
Terry High SchoolC+
High · Grades 9–12 · 2.8 mi

District: Lamar Consolidated Independent School District

Neighborhood · ZIP 77471These 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.144
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 100.23

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.51,318
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.567 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,327
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,328
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

1820 Allen 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.

  • Worth less than 79% of homes in Fort Bend County
  • Costs less per square foot than 97% of homes in Fort Bend County
  • Bigger than 79% of homes in Rosenberg 77471
  • Has a bigger lot than 86% of homes in Fort Bend County
  • Older than 98% of homes in Fort Bend County

What homes are worth in Rosenberg 77471

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

This home
$132K$605K

This home is worth more than 53% of homes in Rosenberg 77471.

How it measures up in Rosenberg 77471

The dot is this home. The mark in the middle is the typical home in Rosenberg 77471.

Estimated value$285,021
CheaperTypical $277,390Pricier

Pricier than 53% of homes nearby

Price per ft²$112
CheaperTypical $146Pricier

Pricier than 6% of homes nearby

Living area2,540 ft²
SmallerTypical 1,785 ft²Bigger

Bigger than 79% of homes nearby

Lot size0.3 ac
SmallerTypical 0.18 acBigger

Bigger than 74% of homes nearby

Year built1961
OlderTypical 1998Newer

Newer than 18% of homes nearby

How 1820 Allen St ranks against every home in each area.
MeasureThis homeRosenberg 77471Fort Bend County
Estimated valuepricier than$285,02153% of homes21% of homes
Price per ft²pricier than$1126% of homes3% of homes
Living areabigger than2,540 ft²79% of homes53% of homes
Lot sizebigger than0.3 ac74% of homes86% of homes
Year builtnewer than196118% of homes2% of homes

About 1820 Allen St

How much is 1820 Allen St, Rosenberg, TX worth?

The TopHap Estimate for 1820 Allen St, Rosenberg, TX is $285,021 as of Aug 30, 2026. The likely range is $271,047 to $298,995. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1820 Allen St, Rosenberg, TX last sell?

1820 Allen St, Rosenberg, TX last sold on Sep 14, 2020, according to the county's recorded deed.

How big is 1820 Allen St, Rosenberg, TX?

1820 Allen St, Rosenberg, TX has 4 bedrooms, 2 bathrooms, 2,540 square feet of living space and a 0.30-acre lot.

When was 1820 Allen St, Rosenberg, TX built?

1820 Allen St, Rosenberg, TX was built in 1961, making it 65 years old. It is a conventional home. The building has 1 story.

What schools serve 1820 Allen St, Rosenberg, TX?

1820 Allen St, Rosenberg, TX is assigned to Bowie Elementary School (elementary), rated B-; George Junior High School (middle), rated D+; Terry High School (high), rated C+. All sit in Lamar Consolidated Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1820 Allen St, Rosenberg, TX compare to other homes in Rosenberg 77471?

Among the 14,535 homes in Rosenberg 77471, it is worth more than 53% of them ($285,021 against a typical $277,390), its price per square foot is higher than 6% of them ($112 against a typical $146), it is bigger than 79% of them (2,540 ft² against a typical 1,785 ft²), its lot is bigger than 74% of them (0.3 ac against a typical 0.18 ac) and it is newer than 18% of them (1961 against a typical 1998). Measured against all of Fort Bend County, it is worth more than 21% 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 1820 Allen St, Rosenberg, TX?

The 2025 property tax bill for 1820 Allen St, Rosenberg, TX was $1,080. The county assessed it at $304,142.

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