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Single Family ResidenceResidential
$259,683$189 / 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 93How 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

509 ALLISON ST

CONROE, TX 77303
2
Baths
1,377 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
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

$260K
$241K low$279K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,040 (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.$126,288 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$26,233
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$111,938
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$114,807
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$138,171

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMontgomery
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Stone
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
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.Porch · 253 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
O. A. Reaves Elementary SchoolA
Elementary · Grades PK–4 · 1.6 mi
H
Conroe High SchoolC+
High · Grades 9–12 · 1.9 mi
M
John V. Peet Junior High SchoolB-
Middle · Grades 7–8 · 2.3 mi

District: Conroe Independent School District

Neighborhood · ZIP 77303These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.3%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.26,333
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.435 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,494
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,224
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

509 Allison St 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 79% of homes in Montgomery County
  • Smaller than 81% of homes in Montgomery County
  • Has a smaller lot than 84% of homes in Conroe 77303
  • Older than 93% of homes in Montgomery County

What homes are worth in Conroe 77303

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

This home
$148K$728K

This home is worth more than 39% of homes in Conroe 77303.

How it measures up in Conroe 77303

The dot is this home. The mark in the middle is the typical home in Conroe 77303.

Estimated value$259,683
CheaperTypical $284,619Pricier

Pricier than 39% of homes nearby

Price per ft²$189
CheaperTypical $176Pricier

Pricier than 62% of homes nearby

Living area1,377 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.17 ac
SmallerTypical 1 acBigger

Bigger than 16% of homes nearby

Year built1972
OlderTypical 2003Newer

Newer than 12% of homes nearby

How 509 Allison St ranks against every home in each area.
MeasureThis homeConroe 77303Montgomery County
Estimated valuepricier than$259,68339% of homes21% of homes
Price per ft²pricier than$18962% of homes59% of homes
Living areabigger than1,377 ft²34% of homes19% of homes
Lot sizebigger than0.17 ac16% of homes31% of homes
Year builtnewer than197212% of homes7% of homes

About 509 Allison St

How much is 509 Allison St, Conroe, TX worth?

The TopHap Estimate for 509 Allison St, Conroe, TX is $259,683 as of Aug 30, 2026. The likely range is $240,676 to $278,690. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Allison St, Conroe, TX last sell?

509 Allison St, Conroe, TX last sold on Sep 28, 2009, according to the county's recorded deed.

How big is 509 Allison St, Conroe, TX?

509 Allison St, Conroe, TX has 2 bathrooms, 1,377 square feet of living space and a 0.17-acre lot.

When was 509 Allison St, Conroe, TX built?

509 Allison St, Conroe, TX was built in 1972, making it 54 years old. The building has 1 story.

What schools serve 509 Allison St, Conroe, TX?

509 Allison St, Conroe, TX is assigned to O. A. Reaves Elementary School (elementary), rated A; Conroe High School (high), rated C+; John V. Peet Junior High School (middle), rated B-. All sit in Conroe Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Allison St, Conroe, TX compare to other homes in Conroe 77303?

Among the 9,186 homes in Conroe 77303, it is worth more than 39% of them ($259,683 against a typical $284,619), its price per square foot is higher than 62% of them ($189 against a typical $176), it is bigger than 34% of them (1,377 ft² against a typical 1,620 ft²), its lot is bigger than 16% of them (0.17 ac against a typical 1 ac) and it is newer than 12% of them (1972 against a typical 2003). Measured against all of Montgomery County, it is worth more than 21% 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 509 Allison St, Conroe, TX?

The 2024 property tax bill for 509 Allison St, Conroe, TX was $1,040. The county assessed it at $126,288.

More homes on Allison St

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