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Single Family ResidenceResidential
$453,899$195 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

400 ONYX DR

COLLEGE STATION, TX 77845
4
Beds
3
Baths
2,329 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
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

$454K
$430K low$478K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,104 (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.$414,377 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$71,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$343,377
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$409,813
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$414,377

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.0.22
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.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.DeckPorch · 324 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
Pebble Creek Elementary SchoolA-
Elementary · Grades PK–4 · 0.4 mi
H
A&M Consolidated High SchoolA-
High · Grades 9–12 · 4.4 mi
M
A&M Consolidated Middle SchoolB+
Middle · Grades 7–8 · 5.7 mi

District: College Station Independent School District

Neighborhood · ZIP 77845These 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.65
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.73,323
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.487 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,544
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,423
Average tempThe average temperature here across a full year.68°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.60%

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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

400 Onyx 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 72% of homes in Brazos County
  • Bigger than 75% of homes in Brazos County

What homes are worth in College Station 77845

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

This home
$215K$1.3M

This home is worth more than 62% of homes in College Station 77845.

How it measures up in College Station 77845

The dot is this home. The mark in the middle is the typical home in College Station 77845.

Estimated value$453,899
CheaperTypical $386,369Pricier

Pricier than 62% of homes nearby

Price per ft²$195
CheaperTypical $200Pricier

Pricier than 41% of homes nearby

Living area2,329 ft²
SmallerTypical 1,997 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.22 ac
SmallerTypical 0.21 acBigger

Bigger than 53% of homes nearby

Year built2002
OlderTypical 2005Newer

Newer than 41% of homes nearby

How 400 Onyx Dr ranks against every home in each area.
MeasureThis homeCollege Station 77845Brazos County
Estimated valuepricier than$453,89962% of homes72% of homes
Price per ft²pricier than$19541% of homes53% of homes
Living areabigger than2,329 ft²64% of homes75% of homes
Lot sizebigger than0.22 ac53% of homes51% of homes
Year builtnewer than200241% of homes54% of homes

About 400 Onyx Dr

How much is 400 Onyx Dr, College Station, TX worth?

The TopHap Estimate for 400 Onyx Dr, College Station, TX is $453,899 as of Sep 24, 2026. The likely range is $430,014 to $477,784. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 Onyx Dr, College Station, TX last sell?

400 Onyx Dr, College Station, TX last sold on Oct 14, 2022, according to the county's recorded deed.

How big is 400 Onyx Dr, College Station, TX?

400 Onyx Dr, College Station, TX has 4 bedrooms, 3 bathrooms, 2,329 square feet of living space and a 0.22-acre lot.

When was 400 Onyx Dr, College Station, TX built?

400 Onyx Dr, College Station, TX was built in 2002, making it 24 years old. The building has 1 story.

What schools serve 400 Onyx Dr, College Station, TX?

400 Onyx Dr, College Station, TX is assigned to Pebble Creek Elementary School (elementary), rated A-; A&M Consolidated High School (high), rated A-; A&M Consolidated Middle School (middle), rated B+. All sit in College Station Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 400 Onyx Dr, College Station, TX compare to other homes in College Station 77845?

Among the 26,058 homes in College Station 77845, it is worth more than 62% of them ($453,899 against a typical $386,369), its price per square foot is higher than 41% of them ($195 against a typical $200), it is bigger than 64% of them (2,329 ft² against a typical 1,997 ft²), its lot is bigger than 53% of them (0.22 ac against a typical 0.21 ac) and it is newer than 41% of them (2002 against a typical 2005). Measured against all of Brazos County, it is worth more than 72% 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 400 Onyx Dr, College Station, TX?

The 2025 property tax bill for 400 Onyx Dr, College Station, TX was $5,104. The county assessed it at $414,377.

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