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Single Family ResidenceResidential
$502,445
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 85How 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

821 RIVER SKY RD

LAVON, TX 75166
0
Baths
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$502K
$426K low$579K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,375 (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.$125,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$125,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$125,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$125,000

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.67
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
58
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.
55
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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
Lot (acres)The size of the land the home sits on, from county records.0.14
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.

H
Wylie East High SchoolA
High · Grades 9–12 · 2.6 mi
M
Burnett Junior High SchoolA
Middle · Grades 7–8 · 4.5 mi
E
Kreymer Elementary School
Elementary · Grades KG–4 · 4.8 mi

District: Wylie 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

821 River Sky Rd 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 more than 84% of homes in Lavon 75166
  • Has a smaller lot than 81% 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
$268K$698K

This home is worth more than 84% 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$502,445
CheaperTypical $370,859Pricier

Pricier than 84% of homes nearby

Lot size0.14 ac
SmallerTypical 0.15 acBigger

Bigger than 29% of homes nearby

How 821 River Sky Rd ranks against every home in each area.
MeasureThis homeLavon 75166Collin County
Estimated valuepricier than$502,44584% of homes50% of homes
Lot sizebigger than0.14 ac29% of homes19% of homes

About 821 River Sky Rd

How much is 821 River Sky Rd, Lavon, TX worth?

The TopHap Estimate for 821 River Sky Rd, Lavon, TX is $502,445 as of Sep 24, 2026. The likely range is $425,524 to $579,366. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 821 River Sky Rd, Lavon, TX last sell?

821 River Sky Rd, Lavon, TX last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 821 River Sky Rd, Lavon, TX?

821 River Sky Rd, Lavon, TX is assigned to Wylie East High School (high), rated A; Burnett Junior High School (middle), rated A; Kreymer Elementary School (elementary). All sit in Wylie Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 821 River Sky Rd, Lavon, TX compare to other homes in Lavon 75166?

Among the 8,011 homes in Lavon 75166, it is worth more than 84% of them ($502,445 against a typical $370,859) and its lot is bigger than 29% of them (0.14 ac against a typical 0.15 ac). Measured against all of Collin County, it is worth more than 50% 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 821 River Sky Rd, Lavon, TX?

The 2025 property tax bill for 821 River Sky Rd, Lavon, TX was $1,375. The county assessed it at $125,000.

More homes on River Sky Rd

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Assigned schools

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