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Single Family ResidenceResidential
$193,482$192 / 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 94How 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 $200,000 on Jul 10, 2024

21 CASTLE ST

MC DONALD, PA 15057
3
Beds
1
Baths
1,008 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
Year BuiltThe year the home was originally built, according to county records.
1
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

$193K
$181K low$206K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$200,000 · Jul 10, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,644 (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.$94,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$62,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$94,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$94,700

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.39
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
10
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
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.

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
CountyWASHINGTON
Lot (acres)The size of the land the home sits on, from county records.0.30
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(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.

E
Cecil Elementary School
Elementary · Grades KG–4 · 2.0 mi
M
Canonsburg Middle SchoolA-
Middle · Grades 7–8 · 7.6 mi
H
Canon-McMillan High SchoolA-
High · Grades 9–12 · 8.2 mi

District: Canon-Mcmillan School District

Neighborhood · ZIP 15057These 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.43
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.17,604
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.314 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,596
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,511
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

21 Castle 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 79% of homes in Mc Donald 15057
  • Costs more per square foot than 65% of homes in Washington County
  • Smaller than 92% of homes in Mc Donald 15057
  • Older than 71% of homes in Mc Donald 15057

What homes are worth in Mc Donald 15057

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

This home
$73K$800K

This home is worth more than 21% of homes in Mc Donald 15057.

How it measures up in Mc Donald 15057

The dot is this home. The mark in the middle is the typical home in Mc Donald 15057.

Estimated value$193,482
CheaperTypical $395,729Pricier

Pricier than 21% of homes nearby

Price per ft²$192
CheaperTypical $197Pricier

Pricier than 46% of homes nearby

Living area1,008 ft²
SmallerTypical 1,908 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.3 ac
SmallerTypical 0.33 acBigger

Bigger than 46% of homes nearby

Year built1957
OlderTypical 1992Newer

Newer than 29% of homes nearby

How 21 Castle St ranks against every home in each area.
MeasureThis homeMc Donald 15057Washington County
Estimated valuepricier than$193,48221% of homes43% of homes
Price per ft²pricier than$19246% of homes65% of homes
Living areabigger than1,008 ft²8% of homes14% of homes
Lot sizebigger than0.3 ac46% of homes49% of homes
Year builtnewer than195729% of homes46% of homes

About 21 Castle St

How much is 21 Castle St, Mc Donald, PA worth?

The TopHap Estimate for 21 Castle St, Mc Donald, PA is $193,482 as of Sep 24, 2026. The likely range is $181,069 to $205,895. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Castle St, Mc Donald, PA last sell?

21 Castle St, Mc Donald, PA last sold on Jul 10, 2024 for $200,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Castle St, Mc Donald, PA?

21 Castle St, Mc Donald, PA has 3 bedrooms, 1 bathrooms, 1,008 square feet of living space and a 0.30-acre lot.

When was 21 Castle St, Mc Donald, PA built?

21 Castle St, Mc Donald, PA was built in 1957, making it 69 years old. The building has 1 story.

What schools serve 21 Castle St, Mc Donald, PA?

21 Castle St, Mc Donald, PA is assigned to Cecil Elementary School (elementary); Canonsburg Middle School (middle), rated A-; Canon-McMillan High School (high), rated A-. All sit in Canon-Mcmillan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Castle St, Mc Donald, PA compare to other homes in Mc Donald 15057?

Among the 7,015 homes in Mc Donald 15057, it is worth more than 21% of them ($193,482 against a typical $395,729), its price per square foot is higher than 46% of them ($192 against a typical $197), it is bigger than 8% of them (1,008 ft² against a typical 1,908 ft²), its lot is bigger than 46% of them (0.3 ac against a typical 0.33 ac) and it is newer than 29% of them (1957 against a typical 1992). Measured against all of Washington County, it is worth more than 43% 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 21 Castle St, Mc Donald, PA?

The 2026 property tax bill for 21 Castle St, Mc Donald, PA was $1,644. The county assessed it at $94,700.

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