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Single Family ResidenceResidential
$326,818$179 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

509 LONDON DR

LAVON, TX 75166
3
Beds
2
Baths
1,826 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
2020
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$327K
$312K low$341K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,627 (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.$283,542 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$80,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$203,542
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$302,825
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$283,542

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCOLLIN
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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

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 · 0.6 mi
M
Community Trails Middle SchoolC-
Middle · Grades 6–8 · 2.5 mi
H
Community High SchoolC
High · Grades 9–12 · 5.7 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 London Dr 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 87% of homes in Collin County
  • Costs less per square foot than 81% of homes in Collin County
  • Smaller than 78% of homes in Collin County
  • Has a smaller lot than 81% of homes in Collin County
  • Newer than 84% of homes in Collin County

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
$266K$701K

This home is worth more than 28% 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$326,818
CheaperTypical $371,213Pricier

Pricier than 28% of homes nearby

Price per ft²$179
CheaperTypical $174Pricier

Pricier than 57% of homes nearby

Living area1,826 ft²
SmallerTypical 2,142 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.14 ac
SmallerTypical 0.15 acBigger

Bigger than 30% of homes nearby

Year built2020
OlderTypical 2021Newer

Newer than 43% of homes nearby

How 509 London Dr ranks against every home in each area.
MeasureThis homeLavon 75166Collin County
Estimated valuepricier than$326,81828% of homes13% of homes
Price per ft²pricier than$17957% of homes19% of homes
Living areabigger than1,826 ft²29% of homes22% of homes
Lot sizebigger than0.14 ac30% of homes19% of homes
Year builtnewer than202043% of homes84% of homes

About 509 London Dr

How much is 509 London Dr, Lavon, TX worth?

The TopHap Estimate for 509 London Dr, Lavon, TX is $326,818 as of Sep 24, 2026. The likely range is $312,419 to $341,217. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 London Dr, Lavon, TX last sell?

509 London Dr, Lavon, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 509 London Dr, Lavon, TX?

509 London Dr, Lavon, TX has 3 bedrooms, 2 bathrooms, 1,826 square feet of living space and a 0.14-acre lot.

When was 509 London Dr, Lavon, TX built?

509 London Dr, Lavon, TX was built in 2020, making it 6 years old. The building has 1 story.

What schools serve 509 London Dr, Lavon, TX?

509 London Dr, 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 London Dr, Lavon, TX compare to other homes in Lavon 75166?

Among the 8,011 homes in Lavon 75166, it is worth more than 28% of them ($326,818 against a typical $371,213), its price per square foot is higher than 57% of them ($179 against a typical $174), it is bigger than 29% of them (1,826 ft² against a typical 2,142 ft²), its lot is bigger than 30% of them (0.14 ac against a typical 0.15 ac) and it is newer than 43% of them (2020 against a typical 2021). Measured against all of Collin County, it is worth more than 13% 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 London Dr, Lavon, TX?

The 2025 property tax bill for 509 London Dr, Lavon, TX was $5,627. The county assessed it at $283,542.

More homes on London Dr

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More homes in Lavon 75166

Assigned schools

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