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Single Family ResidenceResidential
$480,612$228 / 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 93How 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

20021 KNOLLE RD

DAMON, TX 77430
3
Beds
2
Baths
2,110 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.
2.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$481K
$448K low$513K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,725 (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.$243,218 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$100,722
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$142,496
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$243,218
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$243,218

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.21 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.Conventional
CountyFort Bend
Lot (acres)The size of the land the home sits on, from county records.2.27
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
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 · 336 ft²Porch · 36 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.

H
Needville High SchoolB+
High · Grades 9–12 · 8.4 mi
M
Needville Jr High SchoolA
Middle · Grades 7–8 · 8.5 mi
E
Needville Elementary SchoolA
Elementary · Grades PK–3 · 11.3 mi

District: Needville Independent School District

Neighborhood · ZIP 77430These 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.140
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.2,951
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.24 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,636
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,778
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

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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

20021 Knolle 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 68% of homes in Fort Bend County
  • Costs more per square foot than 94% of homes in Fort Bend County
  • Bigger than 71% of homes in Damon 77430
  • Has a bigger lot than 98% of homes in Fort Bend County
  • Older than 90% of homes in Fort Bend County

What homes are worth in Damon 77430

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

This home
$73K$928K

This home is worth more than 67% of homes in Damon 77430.

How it measures up in Damon 77430

The dot is this home. The mark in the middle is the typical home in Damon 77430.

Estimated value$480,612
CheaperTypical $348,970Pricier

Pricier than 67% of homes nearby

Price per ft²$228
CheaperTypical $195Pricier

Pricier than 67% of homes nearby

Living area2,110 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 71% of homes nearby

Lot size2.27 ac
SmallerTypical 2.31 acBigger

Bigger than 49% of homes nearby

Year built1978
OlderTypical 1996Newer

Newer than 26% of homes nearby

How 20021 Knolle Rd ranks against every home in each area.
MeasureThis homeDamon 77430Fort Bend County
Estimated valuepricier than$480,61267% of homes68% of homes
Price per ft²pricier than$22867% of homes94% of homes
Living areabigger than2,110 ft²71% of homes35% of homes
Lot sizebigger than2.27 ac49% of homes98% of homes
Year builtnewer than197826% of homes10% of homes

About 20021 Knolle Rd

How much is 20021 Knolle Rd, Damon, TX worth?

The TopHap Estimate for 20021 Knolle Rd, Damon, TX is $480,612 as of Sep 24, 2026. The likely range is $448,085 to $513,139. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20021 Knolle Rd, Damon, TX last sell?

20021 Knolle Rd, Damon, TX last sold on Sep 19, 2000, according to the county's recorded deed.

How big is 20021 Knolle Rd, Damon, TX?

20021 Knolle Rd, Damon, TX has 3 bedrooms, 2 bathrooms, 2,110 square feet of living space and a 2.27-acre lot.

When was 20021 Knolle Rd, Damon, TX built?

20021 Knolle Rd, Damon, TX was built in 1978, making it 48 years old. It is a conventional home. The building has 1 story.

What schools serve 20021 Knolle Rd, Damon, TX?

20021 Knolle Rd, Damon, TX is assigned to Needville High School (high), rated B+; Needville Jr High School (middle), rated A; Needville Elementary School (elementary), rated A. All sit in Needville Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20021 Knolle Rd, Damon, TX compare to other homes in Damon 77430?

Among the 1,297 homes in Damon 77430, it is worth more than 67% of them ($480,612 against a typical $348,970), its price per square foot is higher than 67% of them ($228 against a typical $195), it is bigger than 71% of them (2,110 ft² against a typical 1,568 ft²), its lot is bigger than 49% of them (2.27 ac against a typical 2.31 ac) and it is newer than 26% of them (1978 against a typical 1996). Measured against all of Fort Bend County, it is worth more than 68% 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 20021 Knolle Rd, Damon, TX?

The 2025 property tax bill for 20021 Knolle Rd, Damon, TX was $2,725. The county assessed it at $243,218.

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