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Single Family ResidenceResidential
$103,453$139 / 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 93How 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 $53,000 on Jun 22, 2015

643 HOWARD ST

AMBRIDGE, PA 15003
2
Beds
1
Baths
744 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
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

$103K
$96K low$111K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$53,000 · Jun 22, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$809 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$39,550 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$28,650
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$39,550
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$79,100

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.
4
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.
84
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.Cape Cod
CountyBeaver
Lot (acres)The size of the land the home sits on, from county records.0.20
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 63 ft²

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
Ambridge Area High SchoolD+
High · Grades 9–12 · 0.4 mi
E
Highland Elementary SchoolD
Elementary · Grades PK–5 · 0.4 mi
M
Ambridge Area Middle SchoolD
Middle · Grades 6–8 · 5.4 mi

District: Ambridge Area 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%

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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

643 Howard 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 84% of homes in Beaver County
  • Costs more per square foot than 80% of homes in Ambridge 15003
  • Smaller than 96% of homes in Ambridge 15003
  • Has a bigger lot than 76% of homes in Ambridge 15003
  • Newer than 73% 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 35% 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$103,453
CheaperTypical $121,709Pricier

Pricier than 35% of homes nearby

Price per ft²$139
CheaperTypical $94Pricier

Pricier than 80% of homes nearby

Living area744 ft²
SmallerTypical 1,362 ft²Bigger

Bigger than 4% of homes nearby

Lot size0.2 ac
SmallerTypical 0.1 acBigger

Bigger than 76% of homes nearby

Year built1947
OlderTypical 1930Newer

Newer than 73% of homes nearby

How 643 Howard St ranks against every home in each area.
MeasureThis homeAmbridge 15003Beaver County
Estimated valuepricier than$103,45335% of homes16% of homes
Price per ft²pricier than$13980% of homes44% of homes
Living areabigger than744 ft²4% of homes4% of homes
Lot sizebigger than0.2 ac76% of homes40% of homes
Year builtnewer than194773% of homes38% of homes

About 643 Howard St

How much is 643 Howard St, Ambridge, PA worth?

The TopHap Estimate for 643 Howard St, Ambridge, PA is $103,453 as of Oct 21, 2026. The likely range is $95,725 to $111,181. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 Howard St, Ambridge, PA last sell?

643 Howard St, Ambridge, PA last sold on Jun 22, 2015 for $53,000, according to the county's recorded deed.

How big is 643 Howard St, Ambridge, PA?

643 Howard St, Ambridge, PA has 2 bedrooms, 1 bathrooms, 744 square feet of living space and a 0.20-acre lot.

When was 643 Howard St, Ambridge, PA built?

643 Howard St, Ambridge, PA was built in 1947, making it 79 years old. It is a cape cod home. The building has 1 story.

What schools serve 643 Howard St, Ambridge, PA?

643 Howard St, Ambridge, PA is assigned to Ambridge Area High School (high), rated D+; Highland Elementary School (elementary), rated D; Ambridge Area Middle School (middle), rated D. All sit in Ambridge Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 643 Howard St, Ambridge, PA compare to other homes in Ambridge 15003?

Among the 4,570 homes in Ambridge 15003, it is worth more than 35% of them ($103,453 against a typical $121,709), its price per square foot is higher than 80% of them ($139 against a typical $94), it is bigger than 4% of them (744 ft² against a typical 1,362 ft²), its lot is bigger than 76% of them (0.2 ac against a typical 0.1 ac) and it is newer than 73% of them (1947 against a typical 1930). Measured against all of Beaver County, it is worth more than 16% 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 643 Howard St, Ambridge, PA?

The 2025 property tax bill for 643 Howard St, Ambridge, PA was $809. The county assessed it at $39,550.

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