Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$676,311$253 / 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 90How 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

4646 RIVER ROCK DR

BRYAN, TX 77808
4
Beds
3
Baths
2,677 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.
0.34 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.
1
StoriesHow many floors the home has above ground.
6
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

$676K
$606K low$747K 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.$547,311
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$437,849
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.18%
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.$129,000
AMERICAN MOMENTUM BK · recorded Jan 13, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,126 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$569,062 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$80,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$489,062
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$544,701
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$569,062

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBrazos
Lot (acres)The size of the land the home sits on, from county records.0.34
ConstructionThe main material the home's frame and walls are built from.Concrete Blocks
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 428 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.

H
Rudder High SchoolD+
High · Grades 9–12 · 1.4 mi
E
Houston Elementary SchoolA
Elementary · Grades KG–4 · 1.6 mi
M
Davila Middle SchoolC-
Middle · Grades 7–8 · 5.8 mi

District: Bryan Independent School District

Neighborhood · ZIP 77808These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
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.17,676
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.69 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,378
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,815
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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

4646 River Rock Dr 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 87% of homes in Brazos County
  • Costs more per square foot than 83% of homes in Brazos County
  • Bigger than 85% of homes in Bryan 77808
  • Has a bigger lot than 72% of homes in Brazos County
  • Newer than 76% of homes in Brazos County

What homes are worth in Bryan 77808

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

This home
$215K$1.4M

This home is worth more than 75% of homes in Bryan 77808.

How it measures up in Bryan 77808

The dot is this home. The mark in the middle is the typical home in Bryan 77808.

Estimated value$676,311
CheaperTypical $499,094Pricier

Pricier than 75% of homes nearby

Price per ft²$253
CheaperTypical $238Pricier

Pricier than 58% of homes nearby

Living area2,677 ft²
SmallerTypical 1,964 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.34 ac
SmallerTypical 1.14 acBigger

Bigger than 30% of homes nearby

Year built2013
OlderTypical 2006Newer

Newer than 64% of homes nearby

How 4646 River Rock Dr ranks against every home in each area.
MeasureThis homeBryan 77808Brazos County
Estimated valuepricier than$676,31175% of homes87% of homes
Price per ft²pricier than$25358% of homes83% of homes
Living areabigger than2,677 ft²85% of homes85% of homes
Lot sizebigger than0.34 ac30% of homes72% of homes
Year builtnewer than201364% of homes76% of homes

About 4646 River Rock Dr

How much is 4646 River Rock Dr, Bryan, TX worth?

The TopHap Estimate for 4646 River Rock Dr, Bryan, TX is $676,311 as of Jul 14, 2026. The likely range is $606,015 to $746,607. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4646 River Rock Dr, Bryan, TX last sell?

4646 River Rock Dr, Bryan, TX last sold on Mar 6, 2014, according to the county's recorded deed.

How big is 4646 River Rock Dr, Bryan, TX?

4646 River Rock Dr, Bryan, TX has 4 bedrooms, 3 bathrooms, 2,677 square feet of living space and a 0.34-acre lot.

When was 4646 River Rock Dr, Bryan, TX built?

4646 River Rock Dr, Bryan, TX was built in 2013, making it 13 years old. The building has 1 story.

What schools serve 4646 River Rock Dr, Bryan, TX?

4646 River Rock Dr, Bryan, TX is assigned to Rudder High School (high), rated D+; Houston Elementary School (elementary), rated A; Davila Middle School (middle), rated C-. All sit in Bryan Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4646 River Rock Dr, Bryan, TX compare to other homes in Bryan 77808?

Among the 7,560 homes in Bryan 77808, it is worth more than 75% of them ($676,311 against a typical $499,094), its price per square foot is higher than 58% of them ($253 against a typical $238), it is bigger than 85% of them (2,677 ft² against a typical 1,964 ft²), its lot is bigger than 30% of them (0.34 ac against a typical 1.14 ac) and it is newer than 64% of them (2013 against a typical 2006). Measured against all of Brazos County, it is worth more than 87% 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 4646 River Rock Dr, Bryan, TX?

The 2024 property tax bill for 4646 River Rock Dr, Bryan, TX was $6,126. The county assessed it at $569,062.

More homes on River Rock Dr

Closest homes

More homes in Bryan 77808

Assigned schools

Explore the area

See this home in context

Open 4646 River Rock Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map