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Single Family ResidenceResidential
$29,165$54 / 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 80How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $8,000 on May 21, 2009

309 HELEN ST

MC KEES ROCKS, PA 15136
1
Beds
1
Baths
540 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.
1,349 ft²
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$29K
$23K low$35K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$8,000 · May 21, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$87 (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.$13,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$7,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$13,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$13,500

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.41
25
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.
73
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.1 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.2 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.0.03
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Sto-Rox Middle School
Middle · Grades 6–8 · 0.7 mi
H
Sto-Rox High SchoolD
High · Grades 9–12 · 0.9 mi
E
Sto-Rox Elementary SchoolF
Elementary · Grades KG–5 · 2.4 mi

District: Sto-Rox School District

Neighborhood · ZIP 15136These 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.112
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 100.24

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
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.23,687
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,923 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,379
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,488
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

309 Helen 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 least valuable homes in Mc Kees Rocks 15136
  • Costs less per square foot than 91% of homes in Allegheny County
  • Among the smallest homes in Allegheny County
  • Has a smaller lot than 97% of homes in Allegheny County
  • Older than 84% of homes in Allegheny County

What homes are worth in Mc Kees Rocks 15136

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

This home
$33K$667K

This home is worth less than almost all homes in Mc Kees Rocks 15136.

How it measures up in Mc Kees Rocks 15136

The dot is this home. The mark in the middle is the typical home in Mc Kees Rocks 15136.

Estimated value$29,165
CheaperTypical $183,835Pricier

Cheaper than almost all homes nearby

Price per ft²$54
CheaperTypical $139Pricier

Pricier than 21% of homes nearby

Living area540 ft²
SmallerTypical 1,452 ft²Bigger

Smaller than almost all homes nearby

Lot size1,349 ft²
SmallerTypical 0.14 acBigger

Bigger than 4% of homes nearby

Year built1910
OlderTypical 1952Newer

Newer than 20% of homes nearby

How 309 Helen St ranks against every home in each area.
MeasureThis homeMc Kees Rocks 15136Allegheny County
Estimated valuepricier than$29,165almost no homesalmost no homes
Price per ft²pricier than$5421% of homes9% of homes
Living areabigger than540 ft²almost no homesalmost no homes
Lot sizebigger than1,349 ft²4% of homes3% of homes
Year builtnewer than191020% of homes16% of homes

About 309 Helen St

How much is 309 Helen St, Mc Kees Rocks, PA worth?

The TopHap Estimate for 309 Helen St, Mc Kees Rocks, PA is $29,165 as of Aug 30, 2026. The likely range is $23,284 to $35,046. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Helen St, Mc Kees Rocks, PA last sell?

309 Helen St, Mc Kees Rocks, PA last sold on May 21, 2009 for $8,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 309 Helen St, Mc Kees Rocks, PA?

309 Helen St, Mc Kees Rocks, PA has 1 bedrooms, 1 bathrooms, 540 square feet of living space and a 0.03-acre lot.

When was 309 Helen St, Mc Kees Rocks, PA built?

309 Helen St, Mc Kees Rocks, PA was built in 1910, making it 116 years old. The building has 1 story.

What schools serve 309 Helen St, Mc Kees Rocks, PA?

309 Helen St, Mc Kees Rocks, PA is assigned to Sto-Rox Middle School (middle); Sto-Rox High School (high), rated D; Sto-Rox Elementary School (elementary), rated F. All sit in Sto-Rox School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 Helen St, Mc Kees Rocks, PA compare to other homes in Mc Kees Rocks 15136?

Among the 9,152 homes in Mc Kees Rocks 15136, it is worth more than almost none of them ($29,165 against a typical $183,835), its price per square foot is higher than 21% of them ($54 against a typical $139), it is bigger than almost none of them (540 ft² against a typical 1,452 ft²), its lot is bigger than 4% of them (1,349 ft² against a typical 0.14 ac) and it is newer than 20% of them (1910 against a typical 1952). Measured against all of Allegheny County, it is worth more than almost no 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 309 Helen St, Mc Kees Rocks, PA?

The 2026 property tax bill for 309 Helen St, Mc Kees Rocks, PA was $87. The county assessed it at $13,500.

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