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Single Family ResidenceResidential
$478,352$237 / 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 Jul 14, 2026

2821 ROUNDROCK TRL

PLANO, TX 75075
2
Baths
2,020 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.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$478K
$459K low$498K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,038 (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.$472,154 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$120,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$352,154
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$475,471
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$472,154

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCollin
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2015
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)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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 · 147 ft²

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.

M
Haggard Middle SchoolA
Middle · Grades 6–8 · 0.4 mi
H
Plano Senior High SchoolA-
High · Grades 11–12 · 0.7 mi
E
Saigling Elementary SchoolA
Elementary · Grades KG–5 · 1.1 mi

District: Plano Independent School District

Neighborhood · ZIP 75075These 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.102
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.7%
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.43,070
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,376 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$102,128
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$120,947
Average tempThe average temperature here across a full year.65°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

2821 Roundrock Trl 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 Park Blvd. Estates West
  • Costs more per square foot than 87% of homes in Park Blvd. Estates West
  • Smaller than 70% of homes in Plano 75075
  • Older than 95% of homes in Collin County

What homes are worth in Plano 75075

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

This home
$244K$783K

This home is worth more than 54% of homes in Plano 75075.

How it measures up in Plano 75075

The dot is this home. The mark in the middle is the typical home in Plano 75075.

Estimated value$478,352
CheaperTypical $471,416Pricier

Pricier than 54% of homes nearby

Price per ft²$237
CheaperTypical $209Pricier

Pricier than 87% of homes nearby

Living area2,020 ft²
SmallerTypical 2,240 ft²Bigger

Bigger than 30% of homes nearby

Year built1973
OlderTypical 1978Newer

Newer than 28% of homes nearby

How 2821 Roundrock Trl ranks against every home in each area.
MeasureThis homePark Blvd. Estates WestPlano 75075Collin County
Estimated valuepricier than$478,35282% of homes54% of homes41% of homes
Price per ft²pricier than$23787% of homes87% of homes74% of homes
Living areabigger than2,020 ft²54% of homes30% of homes32% of homes
Year builtnewer than197385% of homes28% of homes5% of homes

About 2821 Roundrock Trl

How much is 2821 Roundrock Trl, Plano, TX worth?

The TopHap Estimate for 2821 Roundrock Trl, Plano, TX is $478,352 as of Jul 14, 2026. The likely range is $459,153 to $497,551. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 2821 Roundrock Trl, Plano, TX last sell?

2821 Roundrock Trl, Plano, TX last sold on May 30, 2023, according to the county's recorded deed.

How big is 2821 Roundrock Trl, Plano, TX?

2821 Roundrock Trl, Plano, TX has 2 bathrooms and 2,020 square feet of living space.

When was 2821 Roundrock Trl, Plano, TX built?

2821 Roundrock Trl, Plano, TX was built in 1973, making it 53 years old. The building has 1 story.

What schools serve 2821 Roundrock Trl, Plano, TX?

2821 Roundrock Trl, Plano, TX is assigned to Haggard Middle School (middle), rated A; Plano Senior High School (high), rated A-; Saigling Elementary School (elementary), rated A. All sit in Plano Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 2821 Roundrock Trl, Plano, TX compare to other homes in Plano 75075?

Among the 11,240 homes in Plano 75075, it is worth more than 54% of them ($478,352 against a typical $471,416), its price per square foot is higher than 87% of them ($237 against a typical $209), it is bigger than 30% of them (2,020 ft² against a typical 2,240 ft²) and it is newer than 28% of them (1973 against a typical 1978). Measured against all of Collin County, it is worth more than 41% 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 2821 Roundrock Trl, Plano, TX?

The 2024 property tax bill for 2821 Roundrock Trl, Plano, TX was $8,038. The county assessed it at $472,154.

More homes on Roundrock Trl

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