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Single Family ResidenceResidential
$186,410$146 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

309 TAMMY CT

COLLINSVILLE, TX 76233
1
Baths
1,280 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$186K
$163K low$210K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,702 (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.$159,420 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$47,188
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$112,232
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$155,673
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$159,420

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyGRAYSON
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1996
Lot (acres)The size of the land the home sits on, from county records.0.18
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.Asphalt
HeatingThe type of heating system in the home.Central
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 · 42 ft²

Transaction History(3)

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
Collinsville Elementary SchoolC+
Elementary · Grades PK–5 · 0.4 mi
M
Collinsville High SchoolC-
Middle · Grades 6–12 · 0.7 mi

District: Collinsville Independent School District

Neighborhood · ZIP 76233These 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.47
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 100.34

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.4,081
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.62 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,700
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,681
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.40 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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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

309 Tammy Ct 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 92% of homes in Collinsville 76233
  • Costs less per square foot than 87% of homes in Collinsville 76233
  • Smaller than 79% of homes in Collinsville 76233
  • Has a smaller lot than 93% of homes in Collinsville 76233
  • Older than 66% of homes in Collinsville 76233

What homes are worth in Collinsville 76233

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

This home
$146K$1.8M

This home is worth more than 8% of homes in Collinsville 76233.

How it measures up in Collinsville 76233

The dot is this home. The mark in the middle is the typical home in Collinsville 76233.

Estimated value$186,410
CheaperTypical $396,231Pricier

Pricier than 8% of homes nearby

Price per ft²$146
CheaperTypical $207Pricier

Pricier than 13% of homes nearby

Living area1,280 ft²
SmallerTypical 1,680 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.18 ac
SmallerTypical 1 acBigger

Bigger than 7% of homes nearby

Year built1991
OlderTypical 2001Newer

Newer than 34% of homes nearby

How 309 Tammy Ct ranks against every home in each area.
MeasureThis homeCollinsville 76233Grayson County
Estimated valuepricier than$186,4108% of homes25% of homes
Price per ft²pricier than$14613% of homes37% of homes
Living areabigger than1,280 ft²21% of homes27% of homes
Lot sizebigger than0.18 ac7% of homes29% of homes
Year builtnewer than199134% of homes51% of homes

About 309 Tammy Ct

How much is 309 Tammy Ct, Collinsville, TX worth?

The TopHap Estimate for 309 Tammy Ct, Collinsville, TX is $186,410 as of Oct 21, 2026. The likely range is $162,568 to $210,252. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Tammy Ct, Collinsville, TX last sell?

309 Tammy Ct, Collinsville, TX last sold on Nov 26, 2013, according to the county's recorded deed.

How big is 309 Tammy Ct, Collinsville, TX?

309 Tammy Ct, Collinsville, TX has 1 bathrooms, 1,280 square feet of living space and a 0.18-acre lot.

When was 309 Tammy Ct, Collinsville, TX built?

309 Tammy Ct, Collinsville, TX was built in 1991, making it 35 years old. The building has 1 story.

What schools serve 309 Tammy Ct, Collinsville, TX?

309 Tammy Ct, Collinsville, TX is assigned to Collinsville Elementary School (elementary), rated C+; Collinsville High School (middle), rated C-. All sit in Collinsville Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 Tammy Ct, Collinsville, TX compare to other homes in Collinsville 76233?

Among the 1,943 homes in Collinsville 76233, it is worth more than 8% of them ($186,410 against a typical $396,231), its price per square foot is higher than 13% of them ($146 against a typical $207), it is bigger than 21% of them (1,280 ft² against a typical 1,680 ft²), its lot is bigger than 7% of them (0.18 ac against a typical 1 ac) and it is newer than 34% of them (1991 against a typical 2001). Measured against all of Grayson County, it is worth more than 25% 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 309 Tammy Ct, Collinsville, TX?

The 2025 property tax bill for 309 Tammy Ct, Collinsville, TX was $1,702. The county assessed it at $159,420.

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