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Single Family ResidenceResidential
$235,416$188 / 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 89How 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 $230,000 on Apr 9, 2026

3631 UNION ST

PITTSBURGH, PA 15234
3
Beds
1
Baths
1,250 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$235K
$209K low$262K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$230,000 · Apr 9, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$391 (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.$86,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$33,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$53,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$86,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$104,900

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.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.
79
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.Ranch
CountyALLEGHENY
Lot (acres)The size of the land the home sits on, from county records.0.10
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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.

E
Myrtle Avenue Elementary SchoolB+
Elementary · Grades KG–5 · 0.2 mi
M
Keystone Oaks Middle SchoolB
Middle · Grades 6–8 · 1.4 mi
H
Keystone Oaks High SchoolA-
High · Grades 9–12 · 1.4 mi

District: Keystone Oaks School District

Neighborhood · ZIP 15234These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.13,896
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,378 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,019
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,590
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

3631 Union 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.

  • Smaller than 69% of homes in Allegheny County
  • Has a smaller lot than 86% of homes in Pittsburgh 15234
  • Newer than 66% of homes in Pittsburgh 15234

What homes are worth in Pittsburgh 15234

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

This home
$98K$489K

This home is worth more than 57% of homes in Pittsburgh 15234.

How it measures up in Pittsburgh 15234

The dot is this home. The mark in the middle is the typical home in Pittsburgh 15234.

Estimated value$235,416
CheaperTypical $222,888Pricier

Pricier than 57% of homes nearby

Price per ft²$188
CheaperTypical $184Pricier

Pricier than 54% of homes nearby

Living area1,250 ft²
SmallerTypical 1,238 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.1 ac
SmallerTypical 0.16 acBigger

Bigger than 14% of homes nearby

Year built1955
OlderTypical 1952Newer

Newer than 66% of homes nearby

How 3631 Union St ranks against every home in each area.
MeasureThis homePittsburgh 15234Allegheny County
Estimated valuepricier than$235,41657% of homes51% of homes
Price per ft²pricier than$18854% of homes61% of homes
Living areabigger than1,250 ft²52% of homes31% of homes
Lot sizebigger than0.1 ac14% of homes30% of homes
Year builtnewer than195566% of homes58% of homes

About 3631 Union St

How much is 3631 Union St, Pittsburgh, PA worth?

The TopHap Estimate for 3631 Union St, Pittsburgh, PA is $235,416 as of Sep 24, 2026. The likely range is $209,001 to $261,831. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3631 Union St, Pittsburgh, PA last sell?

3631 Union St, Pittsburgh, PA last sold on Apr 9, 2026 for $230,000, according to the county's recorded deed.

How big is 3631 Union St, Pittsburgh, PA?

3631 Union St, Pittsburgh, PA has 3 bedrooms, 1 bathrooms, 1,250 square feet of living space and a 0.10-acre lot.

When was 3631 Union St, Pittsburgh, PA built?

3631 Union St, Pittsburgh, PA was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 3631 Union St, Pittsburgh, PA?

3631 Union St, Pittsburgh, PA is assigned to Myrtle Avenue Elementary School (elementary), rated B+; Keystone Oaks Middle School (middle), rated B; Keystone Oaks High School (high), rated A-. All sit in Keystone Oaks School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3631 Union St, Pittsburgh, PA compare to other homes in Pittsburgh 15234?

Among the 5,522 homes in Pittsburgh 15234, it is worth more than 57% of them ($235,416 against a typical $222,888), its price per square foot is higher than 54% of them ($188 against a typical $184), it is bigger than 52% of them (1,250 ft² against a typical 1,238 ft²), its lot is bigger than 14% of them (0.1 ac against a typical 0.16 ac) and it is newer than 66% of them (1955 against a typical 1952). Measured against all of Allegheny County, it is worth more than 51% 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 3631 Union St, Pittsburgh, PA?

The 2026 property tax bill for 3631 Union St, Pittsburgh, PA was $391. The county assessed it at $86,900.

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Assigned schools

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