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Residential (General/Single)Residential
$819,000
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 Oct 21, 2026
Last sold for $750,000 on Apr 1, 2026

3950 HARKNESS DR

PROSPER, TX 75078
0
Baths

Valuation

$819K
$773K low$865K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$750,000 · Apr 1, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,457 (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.$582,526 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$126,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$626,326

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.57
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
53
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.
52
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.
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.Residential (General/Single)
CountyCOLLIN
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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.

H
Walnut Grove High School
High · Grades 9–12 · 0.5 mi
E
Cynthia A. Cockrell Elementary SchoolA+
Elementary · Grades KG–5 · 0.8 mi
M
Rogers Middle SchoolA+
Middle · Grades 6–8 · 1.7 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

3950 Harkness 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 87% of homes in Collin County

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
$364K$1.8M

This home is worth more than 62% 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$819,000
CheaperTypical $750,456Pricier

Pricier than 62% of homes nearby

How 3950 Harkness Dr ranks against every home in each area.
MeasureThis homeProsper 75078Collin County
Estimated valuepricier than$819,00062% of homes87% of homes

About 3950 Harkness Dr

How much is 3950 Harkness Dr, Prosper, TX worth?

The TopHap Estimate for 3950 Harkness Dr, Prosper, TX is $819,000 as of Oct 21, 2026. The likely range is $773,145 to $864,855. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3950 Harkness Dr, Prosper, TX last sell?

3950 Harkness Dr, Prosper, TX last sold on Apr 1, 2026 for $750,000, according to the county's recorded deed.

What schools serve 3950 Harkness Dr, Prosper, TX?

3950 Harkness Dr, Prosper, TX is assigned to Walnut Grove High School (high); Cynthia A. Cockrell Elementary School (elementary), rated A+; Rogers Middle School (middle), rated A+. All sit in Prosper Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 3950 Harkness Dr, Prosper, TX?

The 2025 property tax bill for 3950 Harkness Dr, Prosper, TX was $2,457. The county assessed it at $582,526.

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