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Single Family ResidenceResidential
$312,251$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 88How 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
Last sold for $199,500 on Jan 29, 2026

509 MAIN ST

LAVON, TX 75166
0
Baths
1,655 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.
1975
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

$312K
$273K low$351K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$199,500 · Jan 29, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,858 (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.$268,507 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$85,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$183,007
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$261,427
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$268,507

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.56
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
47
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
93
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
54
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
88
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.Single Family Residence
CountyCOLLIN
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.1990
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 · 793 ft²

Transaction History(5)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

E
Phyliss NeSmith Elementary SchoolC
Elementary · Grades PK–5 · 0.4 mi
M
Community Trails Middle SchoolC-
Middle · Grades 6–8 · 2.0 mi
H
Community High SchoolC
High · Grades 9–12 · 4.9 mi

District: Community Independent School District

Neighborhood · ZIP 75166These 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.46
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.33

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
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.5,153
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.354 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$117,162
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,107
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

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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 Main 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 89% of homes in Collin County
  • Costs less per square foot than 71% of homes in Collin County
  • Smaller than 84% of homes in Collin County
  • Has a bigger lot than 93% of homes in Lavon 75166
  • Older than 98% of homes in Lavon 75166

What homes are worth in Lavon 75166

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

This home
$269K$666K

This home is worth more than 17% of homes in Lavon 75166.

How it measures up in Lavon 75166

The dot is this home. The mark in the middle is the typical home in Lavon 75166.

Estimated value$312,251
CheaperTypical $380,365Pricier

Pricier than 17% of homes nearby

Price per ft²$189
CheaperTypical $177Pricier

Pricier than 68% of homes nearby

Living area1,655 ft²
SmallerTypical 2,153 ft²Bigger

Bigger than 17% of homes nearby

Lot size1 ac
SmallerTypical 0.15 acBigger

Bigger than 93% of homes nearby

Year built1975
OlderTypical 2021Newer

Newer than 2% of homes nearby

How 509 Main St ranks against every home in each area.
MeasureThis homeLavon 75166Collin County
Estimated valuepricier than$312,25117% of homes11% of homes
Price per ft²pricier than$18968% of homes29% of homes
Living areabigger than1,655 ft²17% of homes16% of homes
Lot sizebigger than1 ac93% of homes93% of homes
Year builtnewer than19752% of homes7% of homes

About 509 Main St

How much is 509 Main St, Lavon, TX worth?

The TopHap Estimate for 509 Main St, Lavon, TX is $312,251 as of Oct 21, 2026. The likely range is $273,429 to $351,073. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Main St, Lavon, TX last sell?

509 Main St, Lavon, TX last sold on Jan 29, 2026 for $199,500, according to the county's recorded deed.

When was 509 Main St, Lavon, TX built?

509 Main St, Lavon, TX was built in 1975, making it 51 years old. The building has 1 story.

What schools serve 509 Main St, Lavon, TX?

509 Main St, Lavon, TX is assigned to Phyliss NeSmith Elementary School (elementary), rated C; Community Trails Middle School (middle), rated C-; Community High School (high), rated C. All sit in Community Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Main St, Lavon, TX compare to other homes in Lavon 75166?

Among the 8,109 homes in Lavon 75166, it is worth more than 17% of them ($312,251 against a typical $380,365), its price per square foot is higher than 68% of them ($189 against a typical $177), it is bigger than 17% of them (1,655 ft² against a typical 2,153 ft²), its lot is bigger than 93% of them (1 ac against a typical 0.15 ac) and it is newer than 2% of them (1975 against a typical 2021). Measured against all of Collin County, it is worth more than 11% 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 Main St, Lavon, TX?

The 2025 property tax bill for 509 Main St, Lavon, TX was $4,858. The county assessed it at $268,507.

More homes on Main St

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Assigned schools

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