Skip to content
Skip to content
TopHapOpen in map
Rural ResidenceResidential
$227,234$141 / 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 81How 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

21646 OSR

MADISONVILLE, TX 77864
3
Beds
1
Baths
1,616 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.

Valuation

$227K
$183K low$271K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,838 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$135,631 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$175,460
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$178,610

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.47
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
57
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
95
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
58
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
28
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyMADISON
Lot (acres)The size of the land the home sits on, from county records.1.00
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

M
Madisonville Jr High SchoolB+
Middle · Grades 6–8 · 9.8 mi
H
Madisonville High SchoolB-
High · Grades 9–12 · 9.9 mi
E
Madisonville Elementary School
Elementary · Grades PK–2 · 10.0 mi

District: Madisonville Consolidated Independent School District

Neighborhood · ZIP 77864These 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.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.8,030
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.40 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,955
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$84,461
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

Owner Tools

Do you own this home?
Claim this home

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

21646 Osr 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 less than 70% of homes in Madison County
  • Costs less per square foot than 78% of homes in Madison County
  • Older than 71% of homes in Madison County

What homes are worth in Madisonville 77864

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

This home
$121K$1.1M

This home is worth more than 36% of homes in Madisonville 77864.

How it measures up in Madisonville 77864

The dot is this home. The mark in the middle is the typical home in Madisonville 77864.

Estimated value$227,234
CheaperTypical $267,617Pricier

Pricier than 36% of homes nearby

Price per ft²$141
CheaperTypical $172Pricier

Pricier than 27% of homes nearby

Living area1,616 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 57% of homes nearby

Lot size1 ac
SmallerTypical 0.94 acBigger

Bigger than 55% of homes nearby

Year built1986
OlderTypical 1995Newer

Newer than 36% of homes nearby

How 21646 Osr ranks against every home in each area.
MeasureThis homeMadisonville 77864Madison County
Estimated valuepricier than$227,23436% of homes30% of homes
Price per ft²pricier than$14127% of homes22% of homes
Living areabigger than1,616 ft²57% of homes54% of homes
Lot sizebigger than1 ac55% of homes40% of homes
Year builtnewer than198636% of homes29% of homes

About 21646 Osr

How much is 21646 Osr, Madisonville, TX worth?

The TopHap Estimate for 21646 Osr, Madisonville, TX is $227,234 as of Aug 30, 2026. The likely range is $183,235 to $271,233. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21646 Osr, Madisonville, TX last sell?

21646 Osr, Madisonville, TX last sold on May 24, 2017, according to the county's recorded deed.

How big is 21646 Osr, Madisonville, TX?

21646 Osr, Madisonville, TX has 3 bedrooms, 1 bathrooms, 1,616 square feet of living space and a 1.00-acre lot.

When was 21646 Osr, Madisonville, TX built?

21646 Osr, Madisonville, TX was built in 1986, making it 40 years old.

What schools serve 21646 Osr, Madisonville, TX?

21646 Osr, Madisonville, TX is assigned to Madisonville Jr High School (middle), rated B+; Madisonville High School (high), rated B-; Madisonville Elementary School (elementary). All sit in Madisonville Consolidated Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21646 Osr, Madisonville, TX compare to other homes in Madisonville 77864?

Among the 3,179 homes in Madisonville 77864, it is worth more than 36% of them ($227,234 against a typical $267,617), its price per square foot is higher than 27% of them ($141 against a typical $172), it is bigger than 57% of them (1,616 ft² against a typical 1,500 ft²), its lot is bigger than 55% of them (1 ac against a typical 0.94 ac) and it is newer than 36% of them (1986 against a typical 1995). Measured against all of Madison County, it is worth more than 30% 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 21646 Osr, Madisonville, TX?

The 2026 property tax bill for 21646 Osr, Madisonville, TX was $1,838. The county assessed it at $135,631.

More homes on Osr

Closest homes

More homes in Madisonville 77864

Assigned schools

Explore the area

See this home in context

Open 21646 Osr 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