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Single Family ResidenceResidential
$545,807$248 / 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

1821 PROSPECT ST

HOUSTON, TX 77004
Building report
3
Beds
3.5
Baths
2,203 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.
1,743 ft²
Lot SizeThe size of the land the home sits on, from county records.
2022
Year BuiltThe year the home was originally built, according to county records.
2
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

$546K
$495K low$596K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,592 (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.$543,995 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$136,344
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$407,651
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$545,468
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$543,995

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.6 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.''

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
CountyHARRIS
Lot (acres)The size of the land the home sits on, from county records.0.04
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
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
Poe Elementary SchoolA-
Elementary · Grades EE–5 · 1.6 mi
M
Cullen Middle SchoolF
Middle · Grades 6–8 · 2.4 mi
H
Lamar High SchoolB-
High · Grades 9–12 · 3.0 mi

District: Houston Independent School District

Neighborhood · ZIP 77004These 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.158
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 100.22

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.41,825
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,540 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,853
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,836
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.51 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

1821 Prospect 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 more than 86% of homes in Harris County
  • Costs more per square foot than 90% of homes in Harris County
  • Has a smaller lot than 97% of homes in Harris County
  • Among the newest homes in Museum Park

What homes are worth in Houston 77004

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

This home
$167K$1M

This home is worth more than 83% of homes in Houston 77004.

How it measures up in Houston 77004

The dot is this home. The mark in the middle is the typical home in Houston 77004.

Estimated value$545,807
CheaperTypical $378,927Pricier

Pricier than 83% of homes nearby

Price per ft²$248
CheaperTypical $202Pricier

Pricier than 77% of homes nearby

Living area2,203 ft²
SmallerTypical 2,039 ft²Bigger

Bigger than 59% of homes nearby

Lot size1,743 ft²
SmallerTypical 0.11 acBigger

Bigger than 18% of homes nearby

Year built2022
OlderTypical 1997Newer

Newer than 96% of homes nearby

How 1821 Prospect St ranks against every home in each area.
MeasureThis homeMuseum ParkHouston 77004Harris County
Estimated valuepricier than$545,80754% of homes83% of homes86% of homes
Price per ft²pricier than$24856% of homes77% of homes90% of homes
Living areabigger than2,203 ft²43% of homes59% of homes63% of homes
Lot sizebigger than1,743 ft²24% of homes18% of homes3% of homes
Year builtnewer than2022almost all homes96% of homes96% of homes

About 1821 Prospect St

How much is 1821 Prospect St, Houston, TX worth?

The TopHap Estimate for 1821 Prospect St, Houston, TX is $545,807 as of Sep 24, 2026. The likely range is $495,411 to $596,203. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1821 Prospect St, Houston, TX last sell?

1821 Prospect St, Houston, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1821 Prospect St, Houston, TX?

1821 Prospect St, Houston, TX has 3 bedrooms, 3.5 bathrooms, 2,203 square feet of living space and a 0.04-acre lot.

When was 1821 Prospect St, Houston, TX built?

1821 Prospect St, Houston, TX was built in 2022, making it 4 years old. The building has 2 stories.

What schools serve 1821 Prospect St, Houston, TX?

1821 Prospect St, Houston, TX is assigned to Poe Elementary School (elementary), rated A-; Cullen Middle School (middle), rated F; Lamar High School (high), rated B-. All sit in Houston Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1821 Prospect St, Houston, TX compare to other homes in Houston 77004?

Among the 9,692 homes in Houston 77004, it is worth more than 83% of them ($545,807 against a typical $378,927), its price per square foot is higher than 77% of them ($248 against a typical $202), it is bigger than 59% of them (2,203 ft² against a typical 2,039 ft²), its lot is bigger than 18% of them (1,743 ft² against a typical 0.11 ac) and it is newer than 96% of them (2022 against a typical 1997). Measured against all of Harris County, it is worth more than 86% 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 1821 Prospect St, Houston, TX?

The 2025 property tax bill for 1821 Prospect St, Houston, TX was $11,592. The county assessed it at $543,995.

More homes on Prospect St

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Assigned schools

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