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Single Family ResidenceResidential
$624,458$214 / 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 Aug 30, 2026

21910 BIG RIVER DR

MAGNOLIA, TX 77355
3 / 1
Baths
2,922 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.
2.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
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

$624K
$591K low$658K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,655 (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.$611,534 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$121,768
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$528,134
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$555,940
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$649,902

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
CountyMontgomery
Lot (acres)The size of the land the home sits on, from county records.2.10
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.Deck · 480 ft²Patio · 480 ft²Porch · 408 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Lyon Elementary SchoolA-
Elementary · Grades PK–4 · 0.4 mi
M
Magnolia Junior High SchoolB
Middle · Grades 7–8 · 4.2 mi
H
Magnolia West High SchoolC+
High · Grades 9–12 · 5.7 mi

District: Magnolia Independent School District

Neighborhood · ZIP 77355These 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.63
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.22%
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.1.3%
PopulationHow many people live in this area.35,817
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.637 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,874
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$138,017
Average tempThe average temperature here across a full year.68°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%

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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

21910 Big River 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 80% of homes in Montgomery County
  • Costs more per square foot than 71% of homes in Montgomery County
  • Bigger than 80% of homes in Magnolia 77355
  • Has a bigger lot than 92% of homes in Montgomery County
  • Older than 66% of homes in Magnolia 77355

What homes are worth in Magnolia 77355

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

This home
$194K$1.4M

This home is worth more than 74% of homes in Magnolia 77355.

How it measures up in Magnolia 77355

The dot is this home. The mark in the middle is the typical home in Magnolia 77355.

Estimated value$624,458
CheaperTypical $405,641Pricier

Pricier than 74% of homes nearby

Price per ft²$214
CheaperTypical $203Pricier

Pricier than 58% of homes nearby

Living area2,922 ft²
SmallerTypical 1,999 ft²Bigger

Bigger than 80% of homes nearby

Lot size2.1 ac
SmallerTypical 0.95 acBigger

Bigger than 81% of homes nearby

Year built1998
OlderTypical 2003Newer

Newer than 34% of homes nearby

How 21910 Big River Dr ranks against every home in each area.
MeasureThis homeMagnolia 77355Montgomery County
Estimated valuepricier than$624,45874% of homes80% of homes
Price per ft²pricier than$21458% of homes71% of homes
Living areabigger than2,922 ft²80% of homes78% of homes
Lot sizebigger than2.1 ac81% of homes92% of homes
Year builtnewer than199834% of homes36% of homes

About 21910 Big River Dr

How much is 21910 Big River Dr, Magnolia, TX worth?

The TopHap Estimate for 21910 Big River Dr, Magnolia, TX is $624,458 as of Aug 30, 2026. The likely range is $590,700 to $658,216. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21910 Big River Dr, Magnolia, TX last sell?

21910 Big River Dr, Magnolia, TX last sold on Jun 21, 2002, according to the county's recorded deed.

How big is 21910 Big River Dr, Magnolia, TX?

21910 Big River Dr, Magnolia, TX has 3 bathrooms, 2,922 square feet of living space and a 2.10-acre lot.

When was 21910 Big River Dr, Magnolia, TX built?

21910 Big River Dr, Magnolia, TX was built in 1998, making it 28 years old. It is a conventional home. The building has 2 stories.

What schools serve 21910 Big River Dr, Magnolia, TX?

21910 Big River Dr, Magnolia, TX is assigned to Lyon Elementary School (elementary), rated A-; Magnolia Junior High School (middle), rated B; Magnolia West High School (high), rated C+. All sit in Magnolia Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21910 Big River Dr, Magnolia, TX compare to other homes in Magnolia 77355?

Among the 12,692 homes in Magnolia 77355, it is worth more than 74% of them ($624,458 against a typical $405,641), its price per square foot is higher than 58% of them ($214 against a typical $203), it is bigger than 80% of them (2,922 ft² against a typical 1,999 ft²), its lot is bigger than 81% of them (2.1 ac against a typical 0.95 ac) and it is newer than 34% of them (1998 against a typical 2003). Measured against all of Montgomery County, it is worth more than 80% 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 21910 Big River Dr, Magnolia, TX?

The 2024 property tax bill for 21910 Big River Dr, Magnolia, TX was $5,655. The county assessed it at $611,534.

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