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Single Family ResidenceResidential
$374,814$150 / 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 Jun 23, 2026
Last sold for $126,200 on Jul 12, 2012

21315 ROSE HOLLOW LN

KATY, TX 77450
4
Beds
3.5
Baths
2,498 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
2001
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
12
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

$375K
$349K low$401K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$126,200 · Jul 12, 2012
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.$60,539
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$48,431
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.84%
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.$246,400
CMG MORTGAGE INC · recorded May 7, 2024
2nd 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.$67,875
WELLS FARGO BANK NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,183 (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.$337,862 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$69,615
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$268,247
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$362,124
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$337,862

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.30 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
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyHARRIS
Lot (acres)The size of the land the home sits on, from county records.0.16
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
ViewThe type of view from the property, or another feature of the site that affects value.Primary
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 113 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.

E
Jeanette Hayes Elementary SchoolA
Elementary · Grades PK–5 · 0.1 mi
M
Memorial Parkway Junior High SchoolA
Middle · Grades 6–8 · 0.3 mi
H
James E. Taylor High SchoolA
High · Grades 9–12 · 1.6 mi

District: Katy Independent School District

Neighborhood · ZIP 77450These 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.50
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
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.76,812
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,300 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,356
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$139,208
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
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

21315 Rose Hollow Ln 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 71% of homes in Harris County
  • Costs less per square foot than 73% of homes in Katy 77450
  • Bigger than 73% of homes in Harris County
  • Has a smaller lot than 81% of homes in Katy 77450
  • Newer than 85% of homes in Katy 77450

What homes are worth in Katy 77450

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

This home
$245K$975K

This home is worth more than 45% of homes in Katy 77450.

How it measures up in Katy 77450

The dot is this home. The mark in the middle is the typical home in Katy 77450.

Estimated value$374,814
CheaperTypical $392,669Pricier

Pricier than 45% of homes nearby

Price per ft²$150
CheaperTypical $164Pricier

Pricier than 27% of homes nearby

Living area2,498 ft²
SmallerTypical 2,489 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.16 ac
SmallerTypical 0.19 acBigger

Bigger than 19% of homes nearby

Year built2001
OlderTypical 1993Newer

Newer than 85% of homes nearby

How 21315 Rose Hollow Ln ranks against every home in each area.
MeasureThis homeKelliwoodKaty 77450Harris County
Estimated valuepricier than$374,81434% of homes45% of homes71% of homes
Price per ft²pricier than$15031% of homes27% of homes47% of homes
Living areabigger than2,498 ft²37% of homes50% of homes73% of homes
Lot sizebigger than0.16 ac32% of homes19% of homes44% of homes
Year builtnewer than200166% of homes85% of homes64% of homes

About 21315 Rose Hollow Ln

How much is 21315 Rose Hollow Ln, Katy, TX worth?

The TopHap Estimate for 21315 Rose Hollow Ln, Katy, TX is $374,814 as of Jun 23, 2026. The likely range is $348,577 to $401,050. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21315 Rose Hollow Ln, Katy, TX last sell?

21315 Rose Hollow Ln, Katy, TX last sold on Jul 12, 2012 for $126,200, according to the county's recorded deed.

How big is 21315 Rose Hollow Ln, Katy, TX?

21315 Rose Hollow Ln, Katy, TX has 4 bedrooms, 3.5 bathrooms, 2,498 square feet of living space and a 0.16-acre lot.

When was 21315 Rose Hollow Ln, Katy, TX built?

21315 Rose Hollow Ln, Katy, TX was built in 2001, making it 25 years old. It is a traditional/old home. The building has 1 story.

What schools serve 21315 Rose Hollow Ln, Katy, TX?

21315 Rose Hollow Ln, Katy, TX is assigned to Jeanette Hayes Elementary School (elementary), rated A; Memorial Parkway Junior High School (middle), rated A; James E. Taylor High School (high), rated A. All sit in Katy Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21315 Rose Hollow Ln, Katy, TX compare to other homes in Katy 77450?

Among the 19,997 homes in Katy 77450, it is worth more than 45% of them ($374,814 against a typical $392,669), its price per square foot is higher than 27% of them ($150 against a typical $164), it is bigger than 50% of them (2,498 ft² against a typical 2,489 ft²), its lot is bigger than 19% of them (0.16 ac against a typical 0.19 ac) and it is newer than 85% of them (2001 against a typical 1993). Measured against all of Harris County, it is worth more than 71% 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 21315 Rose Hollow Ln, Katy, TX?

The 2025 property tax bill for 21315 Rose Hollow Ln, Katy, TX was $7,183. The county assessed it at $337,862.

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