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Single Family ResidenceResidential
$544,907$203 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $307,500 on Aug 30, 2017

509 KNOLL CREST TRL

ROCKWALL, TX 75032
0
Baths
2,678 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.
0.39 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
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

$545K
$512K low$578K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$307,500 · Aug 30, 2017
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$298,907
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$239,126
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.45%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$246,000
CARDINAL FINANCIAL COMPANY LP · recorded Aug 30, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,818 (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.$504,737 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$458,852
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$510,050

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.57
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
46
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
94
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
59
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
88
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyROCKWALL
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.1995
Lot (acres)The size of the land the home sits on, from county records.0.39
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood 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.Carport (Unspecified)
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 · 336 ft²Porch · 733 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
Rockwall-Heath High SchoolB+
High · Grades 10–12 · 1.1 mi
E
Amy Parks-Heath Elementary SchoolA-
Elementary · Grades PK–6 · 1.6 mi
M
Maurine Cain Middle SchoolA-
Middle · Grades 7–8 · 2.6 mi

District: Rockwall Independent School District

Neighborhood · ZIP 75032These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.2%
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.44,737
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.776 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$142,395
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$178,483
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.42 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

509 Knoll Crest Trl 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 70% of homes in Rockwall County
  • Costs more per square foot than 70% of homes in Rockwall County
  • Has a bigger lot than 78% of homes in Rockwall County
  • Among the oldest homes in Rockwall 75032

What homes are worth in Rockwall 75032

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

This home
$197K$2M

This home is worth more than 50% of homes in Rockwall 75032.

How it measures up in Rockwall 75032

The dot is this home. The mark in the middle is the typical home in Rockwall 75032.

Estimated value$544,907
CheaperTypical $541,699Pricier

Pricier than 50% of homes nearby

Price per ft²$203
CheaperTypical $209Pricier

Pricier than 45% of homes nearby

Living area2,678 ft²
SmallerTypical 2,772 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.39 ac
SmallerTypical 0.27 acBigger

Bigger than 61% of homes nearby

Year built1968
OlderTypical 2002Newer

Older than almost all homes nearby

How 509 Knoll Crest Trl ranks against every home in each area.
MeasureThis homeRockwall 75032Rockwall County
Estimated valuepricier than$544,90750% of homes70% of homes
Price per ft²pricier than$20345% of homes70% of homes
Living areabigger than2,678 ft²47% of homes61% of homes
Lot sizebigger than0.39 ac61% of homes78% of homes
Year builtnewer than1968almost no homesalmost no homes

About 509 Knoll Crest Trl

How much is 509 Knoll Crest Trl, Rockwall, TX worth?

The TopHap Estimate for 509 Knoll Crest Trl, Rockwall, TX is $544,907 as of Jul 14, 2026. The likely range is $512,225 to $577,589. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Knoll Crest Trl, Rockwall, TX last sell?

509 Knoll Crest Trl, Rockwall, TX last sold on Aug 30, 2017 for $307,500, according to the county's recorded deed.

How big is 509 Knoll Crest Trl, Rockwall, TX?

509 Knoll Crest Trl, Rockwall, TX has 2,678 square feet of living space and a 0.39-acre lot.

When was 509 Knoll Crest Trl, Rockwall, TX built?

509 Knoll Crest Trl, Rockwall, TX was built in 1968, making it 58 years old. The building has 1 story.

What schools serve 509 Knoll Crest Trl, Rockwall, TX?

509 Knoll Crest Trl, Rockwall, TX is assigned to Rockwall-Heath High School (high), rated B+; Amy Parks-Heath Elementary School (elementary), rated A-; Maurine Cain Middle School (middle), rated A-. All sit in Rockwall Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Knoll Crest Trl, Rockwall, TX compare to other homes in Rockwall 75032?

Among the 13,644 homes in Rockwall 75032, it is worth more than 50% of them ($544,907 against a typical $541,699), its price per square foot is higher than 45% of them ($203 against a typical $209), it is bigger than 47% of them (2,678 ft² against a typical 2,772 ft²), its lot is bigger than 61% of them (0.39 ac against a typical 0.27 ac) and it is newer than almost none of them (1968 against a typical 2002). Measured against all of Rockwall County, it is worth more than 70% 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 509 Knoll Crest Trl, Rockwall, TX?

The 2025 property tax bill for 509 Knoll Crest Trl, Rockwall, TX was $5,818. The county assessed it at $504,737.

Closest homes

More homes in Rockwall 75032

Assigned schools

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