Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$69,758$57 / 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 74How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $36,000 on Aug 21, 1990

51 PLUM ST

AMBRIDGE, PA 15003
3
Beds
1
Baths
1,216 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.
3,600 ft²
Lot SizeThe size of the land the home sits on, from county records.
1905
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$70K
$51K low$88K high
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 · Aug 21, 1990

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$318 (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.$49,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$37,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$67,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$67,400

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.58
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
7
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
72
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
83
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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.0.08
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
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Quaker Valley High SchoolA
High · Grades 9–12 · 1.6 mi
M
Quaker Valley Middle SchoolA
Middle · Grades 6–8 · 3.7 mi
E
Osborne Elementary SchoolA+
Elementary · Grades KG–5 · 4.3 mi

District: Quaker Valley School District

Neighborhood · ZIP 15003These 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.123
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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.10,843
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,551 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,041
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$68,723
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%

Owner Tools

Do you own this home?
Claim this home

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

51 Plum 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.

  • Worth less than 92% of homes in Allegheny County
  • Costs less per square foot than 90% of homes in Allegheny County
  • Smaller than 71% of homes in Allegheny County
  • Has a smaller lot than 77% of homes in Allegheny County
  • Older than 93% of homes in Ambridge 15003

What homes are worth in Ambridge 15003

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

This home
$50K$334K

This home is worth more than 10% of homes in Ambridge 15003.

How it measures up in Ambridge 15003

The dot is this home. The mark in the middle is the typical home in Ambridge 15003.

Estimated value$69,758
CheaperTypical $121,709Pricier

Pricier than 10% of homes nearby

Price per ft²$57
CheaperTypical $94Pricier

Pricier than 12% of homes nearby

Living area1,216 ft²
SmallerTypical 1,362 ft²Bigger

Bigger than 35% of homes nearby

Lot size3,600 ft²
SmallerTypical 0.1 acBigger

Bigger than 35% of homes nearby

Year built1905
OlderTypical 1930Newer

Newer than 7% of homes nearby

How 51 Plum St ranks against every home in each area.
MeasureThis homeAmbridge 15003Allegheny County
Estimated valuepricier than$69,75810% of homes8% of homes
Price per ft²pricier than$5712% of homes10% of homes
Living areabigger than1,216 ft²35% of homes29% of homes
Lot sizebigger than3,600 ft²35% of homes23% of homes
Year builtnewer than19057% of homes12% of homes

About 51 Plum St

How much is 51 Plum St, Ambridge, PA worth?

The TopHap Estimate for 51 Plum St, Ambridge, PA is $69,758 as of Oct 21, 2026. The likely range is $51,333 to $88,183. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 Plum St, Ambridge, PA last sell?

51 Plum St, Ambridge, PA last sold on Aug 21, 1990 for $36,000, according to the county's recorded deed.

How big is 51 Plum St, Ambridge, PA?

51 Plum St, Ambridge, PA has 3 bedrooms, 1 bathrooms, 1,216 square feet of living space and a 0.08-acre lot.

When was 51 Plum St, Ambridge, PA built?

51 Plum St, Ambridge, PA was built in 1905, making it 121 years old. The building has 2 stories.

What schools serve 51 Plum St, Ambridge, PA?

51 Plum St, Ambridge, PA is assigned to Quaker Valley High School (high), rated A; Quaker Valley Middle School (middle), rated A; Osborne Elementary School (elementary), rated A+. All sit in Quaker Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 51 Plum St, Ambridge, PA compare to other homes in Ambridge 15003?

Among the 4,570 homes in Ambridge 15003, it is worth more than 10% of them ($69,758 against a typical $121,709), its price per square foot is higher than 12% of them ($57 against a typical $94), it is bigger than 35% of them (1,216 ft² against a typical 1,362 ft²), its lot is bigger than 35% of them (3,600 ft² against a typical 0.1 ac) and it is newer than 7% of them (1905 against a typical 1930). Measured against all of Allegheny County, it is worth more than 8% 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 51 Plum St, Ambridge, PA?

The 2026 property tax bill for 51 Plum St, Ambridge, PA was $318. The county assessed it at $49,400.

More homes on Plum St

Closest homes

More homes in Ambridge 15003

Assigned schools

Explore the area

See this home in context

Open 51 Plum St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map