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Single Family ResidenceResidential
$1,016,551$184 / 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 91How 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

3318 RUMBLING ROCK LN

KATY, TX 77494
5
Beds
5
Baths
5,537 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
2013
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1M
$929K low$1.1M high
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.$358,599
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$286,879
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.64%
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.$564,352
PRIORITY HOME MORTGAGE LP · recorded Jul 5, 2013
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.$93,600
WELLS FARGO BK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,286 (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.$1,035,059 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$150,150
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$884,909
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,035,059
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,035,059

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.11 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.minimal

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
CountyFort Bend
Lot (acres)The size of the land the home sits on, from county records.0.26
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Pool W/Hot Tub/Spa
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 514 ft²

Transaction History(2)

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
Maydell Jenks Elementary SchoolA+
Elementary · Grades PK–5 · 0.5 mi
M
Joe M. Adams Junior High SchoolA+
Middle · Grades 6–8 · 1.1 mi
H
Jordan High SchoolA
High · Grades 9–12 · 1.1 mi

District: Katy Independent School District

Neighborhood · ZIP 77494These 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.53
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 100.22

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.41%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
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.159,668
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,830 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$142,229
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$165,010
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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.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

3318 Rumbling Rock 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 97% of homes in Fort Bend County
  • Costs more per square foot than 73% of homes in Fort Bend County
  • Among the largest homes in Katy 77494
  • Has a bigger lot than 81% of homes in Katy 77494
  • Newer than 70% of homes in Katy 77494

What homes are worth in Katy 77494

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

This home
$292K$1.2M

This home is worth more than 96% of homes in Katy 77494.

How it measures up in Katy 77494

The dot is this home. The mark in the middle is the typical home in Katy 77494.

Estimated value$1,016,551
CheaperTypical $514,030Pricier

Pricier than 96% of homes nearby

Price per ft²$184
CheaperTypical $179Pricier

Pricier than 58% of homes nearby

Living area5,537 ft²
SmallerTypical 2,929 ft²Bigger

Bigger than almost all homes nearby

Lot size0.26 ac
SmallerTypical 0.19 acBigger

Bigger than 81% of homes nearby

Year built2013
OlderTypical 2010Newer

Newer than 70% of homes nearby

How 3318 Rumbling Rock Ln ranks against every home in each area.
MeasureThis homeCinco Ranch NorthwestKaty 77494Fort Bend County
Estimated valuepricier than$1,016,55183% of homes96% of homes97% of homes
Price per ft²pricier than$18449% of homes58% of homes73% of homes
Living areabigger than5,537 ft²93% of homesalmost all homesalmost all homes
Lot sizebigger than0.26 ac72% of homes81% of homes80% of homes
Year builtnewer than201332% of homes70% of homes70% of homes

About 3318 Rumbling Rock Ln

How much is 3318 Rumbling Rock Ln, Katy, TX worth?

The TopHap Estimate for 3318 Rumbling Rock Ln, Katy, TX is $1,016,551 as of Jul 14, 2026. The likely range is $928,755 to $1,104,347. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3318 Rumbling Rock Ln, Katy, TX last sell?

3318 Rumbling Rock Ln, Katy, TX last sold on Jul 5, 2013, according to the county's recorded deed.

How big is 3318 Rumbling Rock Ln, Katy, TX?

3318 Rumbling Rock Ln, Katy, TX has 5 bedrooms, 5 bathrooms, 5,537 square feet of living space and a 0.26-acre lot.

When was 3318 Rumbling Rock Ln, Katy, TX built?

3318 Rumbling Rock Ln, Katy, TX was built in 2013, making it 13 years old. The building has 2 stories.

What schools serve 3318 Rumbling Rock Ln, Katy, TX?

3318 Rumbling Rock Ln, Katy, TX is assigned to Maydell Jenks Elementary School (elementary), rated A+; Joe M. Adams Junior High School (middle), rated A+; Jordan 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 3318 Rumbling Rock Ln, Katy, TX compare to other homes in Katy 77494?

Among the 38,727 homes in Katy 77494, it is worth more than 96% of them ($1,016,551 against a typical $514,030), its price per square foot is higher than 58% of them ($184 against a typical $179), it is bigger than almost all of them (5,537 ft² against a typical 2,929 ft²), its lot is bigger than 81% of them (0.26 ac against a typical 0.19 ac) and it is newer than 70% of them (2013 against a typical 2010). Measured against all of Fort Bend County, it is worth more than 97% 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 3318 Rumbling Rock Ln, Katy, TX?

The 2025 property tax bill for 3318 Rumbling Rock Ln, Katy, TX was $14,286. The county assessed it at $1,035,059.

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