Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$318,617$193 / 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 90How 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
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

$319K
$287K 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.$261,427 (2025)
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.$175,927
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$373,172
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$261,427

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
Lot (acres)The size of the land the home sits on, from county records.1.00
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 School
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%

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

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 88% of homes in Collin County
  • Costs more per square foot than 78% of homes in Lavon 75166
  • Smaller than 84% of homes in Collin County
  • Has a bigger lot than 89% 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
$264K$688K

This home is worth more than 24% 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$318,617
CheaperTypical $368,323Pricier

Pricier than 24% of homes nearby

Price per ft²$193
CheaperTypical $173Pricier

Pricier than 78% of homes nearby

Living area1,655 ft²
SmallerTypical 2,163 ft²Bigger

Bigger than 18% of homes nearby

Lot size1 ac
SmallerTypical 0.15 acBigger

Bigger than 89% of homes nearby

Year built1975
OlderTypical 2022Newer

Newer than 2% of homes nearby

How 509 Main St ranks against every home in each area.
MeasureThis homeLavon 75166Collin County
Estimated valuepricier than$318,61724% of homes12% of homes
Price per ft²pricier than$19378% of homes30% of homes
Living areabigger than1,655 ft²18% of homes16% of homes
Lot sizebigger than1 ac89% of homes87% 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 $318,617 as of Aug 30, 2026. The likely range is $286,629 to $350,605. 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.

How big is 509 Main St, Lavon, TX?

509 Main St, Lavon, TX has 1,655 square feet of living space and a 1.00-acre lot.

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); 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 5,489 homes in Lavon 75166, it is worth more than 24% of them ($318,617 against a typical $368,323), its price per square foot is higher than 78% of them ($193 against a typical $173), it is bigger than 18% of them (1,655 ft² against a typical 2,163 ft²), its lot is bigger than 89% of them (1 ac against a typical 0.15 ac) and it is newer than 2% of them (1975 against a typical 2022). Measured against all of Collin County, it is worth more than 12% 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 $261,427.

More homes on Main St

Closest homes

More homes in Lavon 75166

Assigned schools

Explore the area

See this home in context

Open 509 Main St 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