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Single Family ResidentialResidential
$178,089$130 / 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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

509 ALTON ST

DANVILLE, PA 17821
2
Beds
2 / 1
Baths
1,372 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.
1950
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

$178K
$153K low$203K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,478 (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.$59,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$35,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$59,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$59,300

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.35
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.
65
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
91
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
16
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 Residential
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyMontour

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

H
Danville Area High SchoolA
High · Grades 9–12 · 0.2 mi
E
Danville Primary School
Elementary · Grades KG–2 · 0.4 mi
M
Danville Middle SchoolB-
Middle · Grades 6–8 · 1.0 mi

District: Danville Area School District

Neighborhood · ZIP 17821These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.41

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.19,794
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.144 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,381
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,367
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.51%

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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

509 Alton 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 82% of homes in Danville 17821
  • Costs less per square foot than 77% of homes in Danville 17821
  • Smaller than 65% of homes in Danville 17821
  • Older than 68% of homes in Danville 17821

What homes are worth in Danville 17821

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

This home
$99K$862K

This home is worth more than 18% of homes in Danville 17821.

How it measures up in Danville 17821

The dot is this home. The mark in the middle is the typical home in Danville 17821.

Estimated value$178,089
CheaperTypical $272,014Pricier

Pricier than 18% of homes nearby

Price per ft²$130
CheaperTypical $176Pricier

Pricier than 23% of homes nearby

Living area1,372 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 35% of homes nearby

Year built1950
OlderTypical 1974Newer

Newer than 32% of homes nearby

How 509 Alton St ranks against every home in each area.
MeasureThis homeDanville 17821
Estimated valuepricier than$178,08918% of homes
Price per ft²pricier than$13023% of homes
Living areabigger than1,372 ft²35% of homes
Year builtnewer than195032% of homes

About 509 Alton St

How much is 509 Alton St, Danville, PA worth?

The TopHap Estimate for 509 Alton St, Danville, PA is $178,089 as of Jul 14, 2026. The likely range is $153,136 to $203,042. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Alton St, Danville, PA last sell?

509 Alton St, Danville, PA last sold on Jun 6, 2016, according to the county's recorded deed.

How big is 509 Alton St, Danville, PA?

509 Alton St, Danville, PA has 2 bedrooms, 2 bathrooms and 1,372 square feet of living space.

When was 509 Alton St, Danville, PA built?

509 Alton St, Danville, PA was built in 1950, making it 76 years old. It is a ranch home. The building has 1 story.

What schools serve 509 Alton St, Danville, PA?

509 Alton St, Danville, PA is assigned to Danville Area High School (high), rated A; Danville Primary School (elementary); Danville Middle School (middle), rated B-. All sit in Danville Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Alton St, Danville, PA compare to other homes in Danville 17821?

Among the 6,558 homes in Danville 17821, it is worth more than 18% of them ($178,089 against a typical $272,014), its price per square foot is higher than 23% of them ($130 against a typical $176), it is bigger than 35% of them (1,372 ft² against a typical 1,620 ft²) and it is newer than 32% of them (1950 against a typical 1974). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 509 Alton St, Danville, PA?

The 2025 property tax bill for 509 Alton St, Danville, PA was $1,478. The county assessed it at $59,300.

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