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Single Family ResidenceResidential

3121 DEERFIELD RIDGE DR

MC DONALD, PA 15057
7
Beds
5.5
Baths
3,517 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.
2.03 ac
Lot SizeThe size of the land the home sits on, from county records.
2020
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,089 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$636,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$94,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$541,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$636,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$654,000

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.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
80
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
31
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
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyALLEGHENY
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
South Fayette High SchoolA
High · Grades 9–12 · 1.4 mi
E
South Fayette Elementary School
Elementary · Grades KG–2 · 1.5 mi
M
South Fayette Middle SchoolA+
Middle · Grades 6–8 · 1.6 mi

District: South Fayette Township School District

Neighborhood · ZIP 15057These 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.43
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.30

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.17,604
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.314 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,596
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,511
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.45%

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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 Deerfield Ridge 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.

  • Bigger than 96% of homes in Mc Donald 15057
  • Has a bigger lot than 98% of homes in Allegheny County
  • Newer than 98% of homes in Allegheny County

How it measures up in Mc Donald 15057

The dot is this home. The mark in the middle is the typical home in Mc Donald 15057.

Living area3,517 ft²
SmallerTypical 1,915 ft²Bigger

Bigger than 96% of homes nearby

Lot size2.03 ac
SmallerTypical 0.34 acBigger

Bigger than 89% of homes nearby

Year built2020
OlderTypical 1992Newer

Newer than 92% of homes nearby

How 3121 Deerfield Ridge Dr ranks against every home in each area.
MeasureThis homeMc Donald 15057Allegheny County
Living areabigger than3,517 ft²96% of homes96% of homes
Lot sizebigger than2.03 ac89% of homes98% of homes
Year builtnewer than202092% of homes98% of homes

About 3121 Deerfield Ridge Dr

When did 3121 Deerfield Ridge Dr, Mc Donald, PA last sell?

3121 Deerfield Ridge Dr, Mc Donald, PA last sold on May 27, 2021, according to the county's recorded deed.

How big is 3121 Deerfield Ridge Dr, Mc Donald, PA?

3121 Deerfield Ridge Dr, Mc Donald, PA has 7 bedrooms, 5.5 bathrooms and 3,517 square feet of living space.

When was 3121 Deerfield Ridge Dr, Mc Donald, PA built?

3121 Deerfield Ridge Dr, Mc Donald, PA was built in 2020, making it 6 years old. It is a colonial home. The building has 2 stories.

What schools serve 3121 Deerfield Ridge Dr, Mc Donald, PA?

3121 Deerfield Ridge Dr, Mc Donald, PA is assigned to South Fayette High School (high), rated A; South Fayette Elementary School (elementary); South Fayette Middle School (middle), rated A+. All sit in South Fayette Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3121 Deerfield Ridge Dr, Mc Donald, PA compare to other homes in Mc Donald 15057?

Among the 7,015 homes in Mc Donald 15057, it is bigger than 96% of them (3,517 ft² against a typical 1,915 ft²), its lot is bigger than 89% of them (2.03 ac against a typical 0.34 ac) and it is newer than 92% of them (2020 against a typical 1992). 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 Deerfield Ridge Dr, Mc Donald, PA?

The 2026 property tax bill for 3121 Deerfield Ridge Dr, Mc Donald, PA was $4,089. The county assessed it at $636,000.

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