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Single Family ResidenceResidential
$1,639,037$376 / 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 78How 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

621 CARSON ST

PROSPER, TX 75078
5
Beds
4
Baths
4,360 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.
2021
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$1.6M
$1.3M low$2M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,000 (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.$1,048,791 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$260,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$788,791
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$980,297
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,048,791

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.
49
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.Single Family Residence
CountyCollin

Transaction History(1)

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 SchoolB+
High · Grades 9–12 · 0.4 mi
M
Rogers Middle SchoolA+
Middle · Grades 6–8 · 0.8 mi
E
Cynthia A. Cockrell Elementary SchoolA
Elementary · Grades KG–5 · 1.6 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

621 Carson 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 more than 98% of homes in Collin County
  • Costs more per square foot than 98% of homes in Collin County
  • Bigger than 94% of homes in Collin County
  • Newer 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
$375K$1.9M

This home is worth more than 96% 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$1,639,037
CheaperTypical $780,260Pricier

Pricier than 96% of homes nearby

Price per ft²$376
CheaperTypical $235Pricier

Pricier than 97% of homes nearby

Living area4,360 ft²
SmallerTypical 3,420 ft²Bigger

Bigger than 86% of homes nearby

Year built2021
OlderTypical 2018Newer

Newer than 75% of homes nearby

How 621 Carson St ranks against every home in each area.
MeasureThis homeProsper 75078Collin County
Estimated valuepricier than$1,639,03796% of homes98% of homes
Price per ft²pricier than$37697% of homes98% of homes
Living areabigger than4,360 ft²86% of homes94% of homes
Year builtnewer than202175% of homes87% of homes

About 621 Carson St

How much is 621 Carson St, Prosper, TX worth?

The TopHap Estimate for 621 Carson St, Prosper, TX is $1,639,037 as of Aug 30, 2026. The likely range is $1,271,195 to $2,006,879. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 621 Carson St, Prosper, TX last sell?

621 Carson St, Prosper, TX last sold on Aug 27, 2021, according to the county's recorded deed.

How big is 621 Carson St, Prosper, TX?

621 Carson St, Prosper, TX has 5 bedrooms, 4 bathrooms and 4,360 square feet of living space.

When was 621 Carson St, Prosper, TX built?

621 Carson St, Prosper, TX was built in 2021, making it 5 years old. The building has 2 stories.

What schools serve 621 Carson St, Prosper, TX?

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

How does 621 Carson St, Prosper, TX compare to other homes in Prosper 75078?

Among the 18,888 homes in Prosper 75078, it is worth more than 96% of them ($1,639,037 against a typical $780,260), its price per square foot is higher than 97% of them ($376 against a typical $235), it is bigger than 86% of them (4,360 ft² against a typical 3,420 ft²) and it is newer than 75% of them (2021 against a typical 2018). Measured against all of Collin County, it is worth more than 98% 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 621 Carson St, Prosper, TX?

The 2024 property tax bill for 621 Carson St, Prosper, TX was $16,000. The county assessed it at $1,048,791.

More homes on Carson St

Closest homes

More homes in Prosper 75078

Assigned schools

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