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Duplex (2 Units, Any Combination)Residential
Last sold for $36,000 on Jun 8, 2017

21 MOUNT OLIVER ST

PITTSBURGH, PA 15210
5
Beds
2
Baths
3,237 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.
3,962 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
12
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$36,000 · Jun 8, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$203 (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.$31,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$26,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$31,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$31,500

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.36
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.
77
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
26
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.Duplex (2 Units, Any Combination)
CountyALLEGHENY
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.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.

E
Pittsburgh Grandview Elementary SchoolC-
Elementary · Grades PK–5 · 0.4 mi
M
Pittsburgh South Hills Middle SchoolC-
Middle · Grades 6–8 · 1.6 mi
H
Carrick High SchoolD+
High · Grades 9–12 · 2.1 mi

District: Pittsburgh School District

Neighborhood · ZIP 15210These 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.148
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.20%
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.24,625
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,374 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$51,980
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$65,619
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.38 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

21 Mount Oliver 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.

  • Among the largest homes in Pittsburgh 15210
  • Has a bigger lot than 81% of homes in South Side Slopes
  • Older than 90% of homes in Allegheny County

How it measures up in Pittsburgh 15210

The dot is this home. The mark in the middle is the typical home in Pittsburgh 15210.

Living area3,237 ft²
SmallerTypical 1,428 ft²Bigger

Bigger than almost all homes nearby

Lot size3,962 ft²
SmallerTypical 3,441 ft²Bigger

Bigger than 60% of homes nearby

Year built1900
OlderTypical 1919Newer

Newer than 26% of homes nearby

How 21 Mount Oliver St ranks against every home in each area.
MeasureThis homeSouth Side SlopesPittsburgh 15210Allegheny County
Living areabigger than3,237 ft²98% of homesalmost all homes95% of homes
Lot sizebigger than3,962 ft²81% of homes60% of homes26% of homes
Year builtnewer than190068% of homes26% of homes10% of homes

About 21 Mount Oliver St

When did 21 Mount Oliver St, Pittsburgh, PA last sell?

21 Mount Oliver St, Pittsburgh, PA last sold on Jun 8, 2017 for $36,000, according to the county's recorded deed.

How big is 21 Mount Oliver St, Pittsburgh, PA?

21 Mount Oliver St, Pittsburgh, PA has 5 bedrooms, 2 bathrooms, 3,237 square feet of living space and a 0.09-acre lot.

When was 21 Mount Oliver St, Pittsburgh, PA built?

21 Mount Oliver St, Pittsburgh, PA was built in 1900, making it 126 years old. The building has 3 stories.

What schools serve 21 Mount Oliver St, Pittsburgh, PA?

21 Mount Oliver St, Pittsburgh, PA is assigned to Pittsburgh Grandview Elementary School (elementary), rated C-; Pittsburgh South Hills Middle School (middle), rated C-; Carrick High School (high), rated D+. All sit in Pittsburgh School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Mount Oliver St, Pittsburgh, PA compare to other homes in Pittsburgh 15210?

Among the 10,159 homes in Pittsburgh 15210, it is bigger than almost all of them (3,237 ft² against a typical 1,428 ft²), its lot is bigger than 60% of them (3,962 ft² against a typical 3,441 ft²) and it is newer than 26% of them (1900 against a typical 1919). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21 Mount Oliver St, Pittsburgh, PA?

The 2026 property tax bill for 21 Mount Oliver St, Pittsburgh, PA was $203. The county assessed it at $31,500.

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