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Single Family ResidenceResidential
$363,846$260 / 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 92How 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
Last sold for $284,950 on Jul 30, 2019

421 SERPENTINE DR

PITTSBURGH, PA 15243
3
Beds
2
Baths
1,400 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1922
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$364K
$335K low$392K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$284,950 · Jul 30, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,116 (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.$173,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$65,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$108,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$173,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$173,500

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.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
75
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
78
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
CountyALLEGHENY
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Brick
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

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.

M
Jefferson Middle SchoolA
Middle · Grades 6–8 · 0.3 mi
E
Jefferson Elementary SchoolA+
Elementary · Grades KG–5 · 0.3 mi
H
Mt. Lebanon High SchoolA+
High · Grades 9–12 · 0.6 mi

District: Mt. Lebanon School District

Neighborhood · ZIP 15243These 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.26
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.31

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.14,057
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,667 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,655
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,955
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

421 Serpentine 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 75% of homes in Allegheny County
  • Costs more per square foot than 90% of homes in Allegheny County
  • Has a smaller lot than 95% of homes in Pittsburgh 15243
  • Among the oldest homes in Pittsburgh 15243

What homes are worth in Pittsburgh 15243

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

This home
$201K$1.2M

This home is worth more than 53% of homes in Pittsburgh 15243.

How it measures up in Pittsburgh 15243

The dot is this home. The mark in the middle is the typical home in Pittsburgh 15243.

Estimated value$363,846
CheaperTypical $350,576Pricier

Pricier than 53% of homes nearby

Price per ft²$260
CheaperTypical $233Pricier

Pricier than 72% of homes nearby

Living area1,400 ft²
SmallerTypical 1,586 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.14 ac
SmallerTypical 0.19 acBigger

Bigger than 5% of homes nearby

Year built1922
OlderTypical 1955Newer

Older than almost all homes nearby

How 421 Serpentine Dr ranks against every home in each area.
MeasureThis homePittsburgh 15243Allegheny County
Estimated valuepricier than$363,84653% of homes75% of homes
Price per ft²pricier than$26072% of homes90% of homes
Living areabigger than1,400 ft²37% of homes43% of homes
Lot sizebigger than0.14 ac5% of homes39% of homes
Year builtnewer than1922almost no homes24% of homes

About 421 Serpentine Dr

How much is 421 Serpentine Dr, Pittsburgh, PA worth?

The TopHap Estimate for 421 Serpentine Dr, Pittsburgh, PA is $363,846 as of Sep 24, 2026. The likely range is $335,225 to $392,467. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Serpentine Dr, Pittsburgh, PA last sell?

421 Serpentine Dr, Pittsburgh, PA last sold on Jul 30, 2019 for $284,950, according to the county's recorded deed.

How big is 421 Serpentine Dr, Pittsburgh, PA?

421 Serpentine Dr, Pittsburgh, PA has 3 bedrooms, 2 bathrooms, 1,400 square feet of living space and a 0.14-acre lot.

When was 421 Serpentine Dr, Pittsburgh, PA built?

421 Serpentine Dr, Pittsburgh, PA was built in 1922, making it 104 years old. The building has 2 stories.

What schools serve 421 Serpentine Dr, Pittsburgh, PA?

421 Serpentine Dr, Pittsburgh, PA is assigned to Jefferson Middle School (middle), rated A; Jefferson Elementary School (elementary), rated A+; Mt. Lebanon High School (high), rated A+. All sit in Mt. Lebanon School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Serpentine Dr, Pittsburgh, PA compare to other homes in Pittsburgh 15243?

Among the 4,971 homes in Pittsburgh 15243, it is worth more than 53% of them ($363,846 against a typical $350,576), its price per square foot is higher than 72% of them ($260 against a typical $233), it is bigger than 37% of them (1,400 ft² against a typical 1,586 ft²), its lot is bigger than 5% of them (0.14 ac against a typical 0.19 ac) and it is newer than almost none of them (1922 against a typical 1955). Measured against all of Allegheny County, it is worth more than 75% 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 421 Serpentine Dr, Pittsburgh, PA?

The 2026 property tax bill for 421 Serpentine Dr, Pittsburgh, PA was $1,116. The county assessed it at $173,500.

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