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Single Family ResidenceResidential
$1,017,632$279 / 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 97How 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
Last sold for $849,400 on Jul 1, 2021

4309 CYNTHIA ST

BELLAIRE, TX 77401
4
Beds
3.5
Baths
3,649 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
11
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

$1M
$987K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$849,400 · Jul 1, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,118 (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.$947,381 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$344,250
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$603,131
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$823,085
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$947,381

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.36 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
StyleThe architectural style of the home, such as ranch or colonial.Bungalow
CountyHARRIS
Lot (acres)The size of the land the home sits on, from county records.0.12
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 122 ft²Patio · 122 ft²Porch · 36 ft²

Transaction History(4)

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
Horn AcademyA+
Elementary · Grades EE–5 · 0.4 mi
M
Pershing Middle SchoolB
Middle · Grades 6–8 · 0.8 mi
H
Bellaire High SchoolB
High · Grades 9–12 · 1.3 mi

District: Houston Independent School District

Neighborhood · ZIP 77401These 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.42
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 100.17

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.6%
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.19,568
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,200 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$187,103
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$248,094
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

4309 Cynthia 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 96% of homes in Harris County
  • Costs more per square foot than 92% of homes in Harris County
  • Bigger than 92% of homes in Harris County
  • Has a smaller lot than 91% of homes in Bellaire 77401
  • Newer than 75% of homes in Bellaire 77401

What homes are worth in Bellaire 77401

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

This home
$338K$3.2M

This home is worth more than 39% of homes in Bellaire 77401.

How it measures up in Bellaire 77401

The dot is this home. The mark in the middle is the typical home in Bellaire 77401.

Estimated value$1,017,632
CheaperTypical $1,164,741Pricier

Pricier than 39% of homes nearby

Price per ft²$279
CheaperTypical $330Pricier

Pricier than 18% of homes nearby

Living area3,649 ft²
SmallerTypical 3,685 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.12 ac
SmallerTypical 0.19 acBigger

Bigger than 9% of homes nearby

Year built2005
OlderTypical 1997Newer

Newer than 75% of homes nearby

How 4309 Cynthia St ranks against every home in each area.
MeasureThis homeBellaire 77401Harris County
Estimated valuepricier than$1,017,63239% of homes96% of homes
Price per ft²pricier than$27918% of homes92% of homes
Living areabigger than3,649 ft²49% of homes92% of homes
Lot sizebigger than0.12 ac9% of homes19% of homes
Year builtnewer than200575% of homes73% of homes

About 4309 Cynthia St

How much is 4309 Cynthia St, Bellaire, TX worth?

The TopHap Estimate for 4309 Cynthia St, Bellaire, TX is $1,017,632 as of Sep 24, 2026. The likely range is $987,140 to $1,048,124. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4309 Cynthia St, Bellaire, TX last sell?

4309 Cynthia St, Bellaire, TX last sold on Jul 1, 2021 for $849,400, according to the county's recorded deed.

How big is 4309 Cynthia St, Bellaire, TX?

4309 Cynthia St, Bellaire, TX has 4 bedrooms, 3.5 bathrooms, 3,649 square feet of living space and a 0.12-acre lot.

When was 4309 Cynthia St, Bellaire, TX built?

4309 Cynthia St, Bellaire, TX was built in 2005, making it 21 years old. It is a bungalow home. The building has 1 story.

What schools serve 4309 Cynthia St, Bellaire, TX?

4309 Cynthia St, Bellaire, TX is assigned to Horn Academy (elementary), rated A+; Pershing Middle School (middle), rated B; Bellaire 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 4309 Cynthia St, Bellaire, TX compare to other homes in Bellaire 77401?

Among the 6,223 homes in Bellaire 77401, it is worth more than 39% of them ($1,017,632 against a typical $1,164,741), its price per square foot is higher than 18% of them ($279 against a typical $330), it is bigger than 49% of them (3,649 ft² against a typical 3,685 ft²), its lot is bigger than 9% of them (0.12 ac against a typical 0.19 ac) and it is newer than 75% of them (2005 against a typical 1997). Measured against all of Harris County, it is worth more than 96% 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 4309 Cynthia St, Bellaire, TX?

The 2025 property tax bill for 4309 Cynthia St, Bellaire, TX was $12,118. The county assessed it at $947,381.

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