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Single Family ResidenceResidential
$751,174$224 / 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 94How 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 SHADOW HILL DR

PROSPER, TX 75078
4
Beds
3
Baths
3,354 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.
2007
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$751K
$708K low$795K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,805 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$791,052 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$217,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$573,252
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$793,924
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$791,052

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 690 ft²

Transaction History(4)

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
Folsom Elementary SchoolA
Elementary · Grades KG–5 · 0.7 mi
M
Rogers Middle SchoolA+
Middle · Grades 6–8 · 1.2 mi
H
Walnut Grove High School
High · Grades 9–12 · 2.3 mi

District: Prosper Independent School District

Neighborhood · ZIP 75078These 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.49
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.29

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.41%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.49,045
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,435 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$166,233
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$200,017
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.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 Shadow Hill 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 more than 82% of homes in Collin County
  • Costs more per square foot than 67% of homes in Collin County
  • Bigger than 77% of homes in Collin County
  • Older than 86% of homes in Prosper 75078

What homes are worth in Prosper 75078

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

This home
$366K$1.8M

This home is worth more than 50% of homes in Prosper 75078.

How it measures up in Prosper 75078

The dot is this home. The mark in the middle is the typical home in Prosper 75078.

Estimated value$751,174
CheaperTypical $747,798Pricier

Pricier than 50% of homes nearby

Price per ft²$224
CheaperTypical $224Pricier

Pricier than 51% of homes nearby

Living area3,354 ft²
SmallerTypical 3,428 ft²Bigger

Bigger than 46% of homes nearby

Year built2007
OlderTypical 2018Newer

Newer than 14% of homes nearby

How 821 Shadow Hill Dr ranks against every home in each area.
MeasureThis homeProsper 75078Collin County
Estimated valuepricier than$751,17450% of homes82% of homes
Price per ft²pricier than$22451% of homes67% of homes
Living areabigger than3,354 ft²46% of homes77% of homes
Year builtnewer than200714% of homes60% of homes

About 821 Shadow Hill Dr

How much is 821 Shadow Hill Dr, Prosper, TX worth?

The TopHap Estimate for 821 Shadow Hill Dr, Prosper, TX is $751,174 as of Sep 24, 2026. The likely range is $707,730 to $794,618. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 821 Shadow Hill Dr, Prosper, TX last sell?

821 Shadow Hill Dr, Prosper, TX last sold on Oct 2, 2023, according to the county's recorded deed.

How big is 821 Shadow Hill Dr, Prosper, TX?

821 Shadow Hill Dr, Prosper, TX has 4 bedrooms, 3 bathrooms and 3,354 square feet of living space.

When was 821 Shadow Hill Dr, Prosper, TX built?

821 Shadow Hill Dr, Prosper, TX was built in 2007, making it 19 years old. The building has 1 story.

What schools serve 821 Shadow Hill Dr, Prosper, TX?

821 Shadow Hill Dr, Prosper, TX is assigned to Folsom Elementary School (elementary), rated A; Rogers Middle School (middle), rated A+; Walnut Grove High School (high). All sit in Prosper Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 821 Shadow Hill Dr, Prosper, TX compare to other homes in Prosper 75078?

Among the 19,498 homes in Prosper 75078, it is worth more than 50% of them ($751,174 against a typical $747,798), its price per square foot is higher than 51% of them ($224 against a typical $224), it is bigger than 46% of them (3,354 ft² against a typical 3,428 ft²) and it is newer than 14% of them (2007 against a typical 2018). Measured against all of Collin County, it is worth more than 82% 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 Shadow Hill Dr, Prosper, TX?

The 2024 property tax bill for 821 Shadow Hill Dr, Prosper, TX was $15,805. The county assessed it at $791,052.

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