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Single Family ResidenceResidential
$649,900$233 / 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 Jul 14, 2026
Last sold for $525,119 on Jul 30, 2026

21517 CASTLE ROCK CIR

BULLARD, TX 75757
4
Beds
3
Baths
2,795 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.
0.52 ac
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.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$650K
$634K low$666K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$525,119 · Jul 30, 2026
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.$129,980
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$103,984
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.$519,920
UNITED WHOLESALE MORTGAGE · 6.47% 2 · recorded Jul 30, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,361 (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.$541,598 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$45,302
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$496,296
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$541,598
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$541,598

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
CountySMITH
Lot (acres)The size of the land the home sits on, from county records.0.52
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

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.

M
Bullard Middle SchoolA
Middle · Grades 7–8 · 3.0 mi
E
Bullard Primary School
Elementary · Grades 1–2 · 3.4 mi
H
Bullard High SchoolB+
High · Grades 9–12 · 3.6 mi

District: Bullard Independent School District

Neighborhood · ZIP 75757These 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.102
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.28

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.13,967
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.150 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,813
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,050
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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

21517 Castle Rock Cir 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 94% of homes in Smith County
  • Costs more per square foot than 88% of homes in Smith County
  • Bigger than 92% of homes in Smith County
  • Newer than 98% of homes in Smith County

What homes are worth in Bullard 75757

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

This home
$99K$1.3M

This home is worth more than 81% of homes in Bullard 75757.

How it measures up in Bullard 75757

The dot is this home. The mark in the middle is the typical home in Bullard 75757.

Estimated value$649,900
CheaperTypical $397,218Pricier

Pricier than 81% of homes nearby

Price per ft²$233
CheaperTypical $200Pricier

Pricier than 72% of homes nearby

Living area2,795 ft²
SmallerTypical 1,882 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.52 ac
SmallerTypical 0.48 acBigger

Bigger than 57% of homes nearby

Year built2022
OlderTypical 2004Newer

Newer than 96% of homes nearby

How 21517 Castle Rock Cir ranks against every home in each area.
MeasureThis homeBullard 75757Smith County
Estimated valuepricier than$649,90081% of homes94% of homes
Price per ft²pricier than$23372% of homes88% of homes
Living areabigger than2,795 ft²84% of homes92% of homes
Lot sizebigger than0.52 ac57% of homes60% of homes
Year builtnewer than202296% of homes98% of homes

About 21517 Castle Rock Cir

How much is 21517 Castle Rock Cir, Bullard, TX worth?

The TopHap Estimate for 21517 Castle Rock Cir, Bullard, TX is $649,900 as of Jul 14, 2026. The likely range is $633,518 to $666,282. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21517 Castle Rock Cir, Bullard, TX last sell?

21517 Castle Rock Cir, Bullard, TX last sold on Jul 30, 2026 for $525,119, according to the county's recorded deed.

How big is 21517 Castle Rock Cir, Bullard, TX?

21517 Castle Rock Cir, Bullard, TX has 4 bedrooms, 3 bathrooms, 2,795 square feet of living space and a 0.52-acre lot.

When was 21517 Castle Rock Cir, Bullard, TX built?

21517 Castle Rock Cir, Bullard, TX was built in 2022, making it 4 years old. It is a conventional home. The building has 1 story.

What schools serve 21517 Castle Rock Cir, Bullard, TX?

21517 Castle Rock Cir, Bullard, TX is assigned to Bullard Middle School (middle), rated A; Bullard Primary School (elementary); Bullard High School (high), rated B+. All sit in Bullard Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21517 Castle Rock Cir, Bullard, TX compare to other homes in Bullard 75757?

Among the 7,796 homes in Bullard 75757, it is worth more than 81% of them ($649,900 against a typical $397,218), its price per square foot is higher than 72% of them ($233 against a typical $200), it is bigger than 84% of them (2,795 ft² against a typical 1,882 ft²), its lot is bigger than 57% of them (0.52 ac against a typical 0.48 ac) and it is newer than 96% of them (2022 against a typical 2004). Measured against all of Smith County, it is worth more than 94% 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 21517 Castle Rock Cir, Bullard, TX?

The 2025 property tax bill for 21517 Castle Rock Cir, Bullard, TX was $7,361. The county assessed it at $541,598.

Closest homes

More homes in Bullard 75757

Assigned schools

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