Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$71,635$24 / 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 67How 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 $12,500 on Sep 1, 2023

871 20TH ST

ALTOONA, PA 16601
0
Baths
3,015 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.
3,049 ft²
Lot SizeThe size of the land the home sits on, from county records.
2
StoriesHow many floors the home has above ground.

Valuation

$72K
$48K low$95K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$12,500 · Sep 1, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,952 (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.$99,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$92,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$99,800

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyBLAIR
Lot (acres)The size of the land the home sits on, from county records.0.07
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

Neighborhood · ZIP 16601These 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.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.32

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.32,847
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.404 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,504
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,039
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.42 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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

871 20th 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 90% of homes in Blair County
  • Among the lowest price per square foot in Blair County
  • Bigger than 96% of homes in Altoona 16601
  • Has a smaller lot than 90% of homes in Altoona 16601

What homes are worth in Altoona 16601

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

This home
$44K$433K

This home is worth more than 12% of homes in Altoona 16601.

How it measures up in Altoona 16601

The dot is this home. The mark in the middle is the typical home in Altoona 16601.

Estimated value$71,635
CheaperTypical $146,348Pricier

Pricier than 12% of homes nearby

Price per ft²$24
CheaperTypical $97Pricier

Pricier than 2% of homes nearby

Living area3,015 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 96% of homes nearby

Lot size3,049 ft²
SmallerTypical 0.14 acBigger

Bigger than 10% of homes nearby

How 871 20th St ranks against every home in each area.
MeasureThis homeAltoona 16601Blair County
Estimated valuepricier than$71,63512% of homes10% of homes
Price per ft²pricier than$242% of homesalmost no homes
Living areabigger than3,015 ft²96% of homes95% of homes
Lot sizebigger than3,049 ft²10% of homes10% of homes

About 871 20th St

How much is 871 20th St, Altoona, PA worth?

The TopHap Estimate for 871 20th St, Altoona, PA is $71,635 as of Sep 24, 2026. The likely range is $48,123 to $95,147. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 871 20th St, Altoona, PA last sell?

871 20th St, Altoona, PA last sold on Sep 1, 2023 for $12,500, according to the county's recorded deed.

How big is 871 20th St, Altoona, PA?

871 20th St, Altoona, PA has 3,015 square feet of living space and a 0.07-acre lot.

How does 871 20th St, Altoona, PA compare to other homes in Altoona 16601?

Among the 11,863 homes in Altoona 16601, it is worth more than 12% of them ($71,635 against a typical $146,348), its price per square foot is higher than 2% of them ($24 against a typical $97), it is bigger than 96% of them (3,015 ft² against a typical 1,620 ft²) and its lot is bigger than 10% of them (3,049 ft² against a typical 0.14 ac). Measured against all of Blair County, it is worth more than 10% 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 871 20th St, Altoona, PA?

The 2026 property tax bill for 871 20th St, Altoona, PA was $1,952. The county assessed it at $99,800.

More homes on 20th St

Closest homes

More homes in Altoona 16601

Explore the area

See this home in context

Open 871 20th 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