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Single Family ResidenceResidential
$327,335$183 / 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 97How 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

3121 DEVONSHIRE DR

PLANO, TX 75075
0
Baths
1,788 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.
3,741 ft²
Lot SizeThe size of the land the home sits on, from county records.
1984
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$327K
$317K low$338K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,672 (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.$347,758 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$115,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$232,258
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$344,540
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$347,758

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
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.1995
Lot (acres)The size of the land the home sits on, from county records.0.09
ConstructionThe main material the home's frame and walls are built from.Wood (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 · 20 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.

H
Plano Senior High SchoolB+
High · Grades 11–12 · 0.1 mi
M
Haggard Middle SchoolA-
Middle · Grades 6–8 · 0.4 mi
E
Saigling Elementary SchoolA
Elementary · Grades KG–5 · 0.6 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

3121 Devonshire 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 less than 94% of homes in Plano 75075
  • Costs less per square foot than 88% of homes in Plano 75075
  • Smaller than 86% of homes in Plano 75075
  • Has a smaller lot than 94% of homes in Collin County
  • Newer than 96% of homes in Huntington Park

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
$218K$782K

This home is worth more than 6% 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$327,335
CheaperTypical $461,528Pricier

Pricier than 6% of homes nearby

Price per ft²$183
CheaperTypical $204Pricier

Pricier than 12% of homes nearby

Living area1,788 ft²
SmallerTypical 2,249 ft²Bigger

Bigger than 14% of homes nearby

Lot size3,741 ft²
SmallerTypical 0.22 acBigger

Bigger than 11% of homes nearby

Year built1984
OlderTypical 1978Newer

Newer than 81% of homes nearby

How 3121 Devonshire Dr ranks against every home in each area.
MeasureThis homeHuntington ParkPlano 75075Collin County
Estimated valuepricier than$327,33533% of homes6% of homes13% of homes
Price per ft²pricier than$18315% of homes12% of homes23% of homes
Living areabigger than1,788 ft²43% of homes14% of homes20% of homes
Lot sizebigger than3,741 ft²49% of homes11% of homes6% of homes
Year builtnewer than198496% of homes81% of homes15% of homes

About 3121 Devonshire Dr

How much is 3121 Devonshire Dr, Plano, TX worth?

The TopHap Estimate for 3121 Devonshire Dr, Plano, TX is $327,335 as of Sep 24, 2026. The likely range is $316,527 to $338,143. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3121 Devonshire Dr, Plano, TX last sell?

3121 Devonshire Dr, Plano, TX last sold on Oct 30, 2017, according to the county's recorded deed.

How big is 3121 Devonshire Dr, Plano, TX?

3121 Devonshire Dr, Plano, TX has 1,788 square feet of living space and a 0.09-acre lot.

When was 3121 Devonshire Dr, Plano, TX built?

3121 Devonshire Dr, Plano, TX was built in 1984, making it 42 years old. It is a townhouse home. The building has 2 stories.

What schools serve 3121 Devonshire Dr, Plano, TX?

3121 Devonshire Dr, Plano, TX is assigned to Plano Senior High School (high), rated B+; Haggard Middle School (middle), 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 3121 Devonshire Dr, Plano, TX compare to other homes in Plano 75075?

Among the 11,477 homes in Plano 75075, it is worth more than 6% of them ($327,335 against a typical $461,528), its price per square foot is higher than 12% of them ($183 against a typical $204), it is bigger than 14% of them (1,788 ft² against a typical 2,249 ft²), its lot is bigger than 11% of them (3,741 ft² against a typical 0.22 ac) and it is newer than 81% of them (1984 against a typical 1978). Measured against all of Collin County, it is worth more than 13% 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 3121 Devonshire Dr, Plano, TX?

The 2025 property tax bill for 3121 Devonshire Dr, Plano, TX was $2,672. The county assessed it at $347,758.

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