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Single Family ResidenceResidential
$453,863$185 / 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 95How 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 $450,000 on Jul 20, 2026

20 UNION ST

LITTLESTOWN, PA 17340
4
Beds
3
Baths
2,452 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$454K
$433K low$475K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$450,000 · Jul 20, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,589 (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.$295,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$48,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$246,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$295,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyADAMS
Lot (acres)The size of the land the home sits on, from county records.0.35
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.

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

H
Littlestown High SchoolA-
High · Grades 9–12 · 0.6 mi
M
Maple Avenue Middle SchoolC-
Middle · Grades 6–8 · 0.8 mi
E
Rolling Acres Elementary School
Elementary · Grades KG–3 · 1.5 mi

District: Littlestown Area School District

Neighborhood · ZIP 17340These 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.119
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.68
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
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.11,902
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.307 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,379
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,283
Average tempThe average temperature here across a full year.53°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.57%

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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

20 Union 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 more than 79% of homes in Adams County
  • Costs less per square foot than 73% of homes in Littlestown 17340
  • Bigger than 86% of homes in Littlestown 17340
  • Has a smaller lot than 67% of homes in Adams County
  • Newer than 79% of homes in Adams County

What homes are worth in Littlestown 17340

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

This home
$175K$792K

This home is worth more than 78% of homes in Littlestown 17340.

How it measures up in Littlestown 17340

The dot is this home. The mark in the middle is the typical home in Littlestown 17340.

Estimated value$453,863
CheaperTypical $336,687Pricier

Pricier than 78% of homes nearby

Price per ft²$185
CheaperTypical $214Pricier

Pricier than 27% of homes nearby

Living area2,452 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.35 ac
SmallerTypical 0.49 acBigger

Bigger than 42% of homes nearby

Year built2000
OlderTypical 1986Newer

Newer than 78% of homes nearby

How 20 Union St ranks against every home in each area.
MeasureThis homeLittlestown 17340Adams County
Estimated valuepricier than$453,86378% of homes79% of homes
Price per ft²pricier than$18527% of homes34% of homes
Living areabigger than2,452 ft²86% of homes86% of homes
Lot sizebigger than0.35 ac42% of homes33% of homes
Year builtnewer than200078% of homes79% of homes

About 20 Union St

How much is 20 Union St, Littlestown, PA worth?

The TopHap Estimate for 20 Union St, Littlestown, PA is $453,863 as of Sep 24, 2026. The likely range is $432,973 to $474,753. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Union St, Littlestown, PA last sell?

20 Union St, Littlestown, PA last sold on Jul 20, 2026 for $450,000, according to the county's recorded deed.

How big is 20 Union St, Littlestown, PA?

20 Union St, Littlestown, PA has 4 bedrooms, 3 bathrooms, 2,452 square feet of living space and a 0.35-acre lot.

When was 20 Union St, Littlestown, PA built?

20 Union St, Littlestown, PA was built in 2000, making it 26 years old. The building has 2 stories.

What schools serve 20 Union St, Littlestown, PA?

20 Union St, Littlestown, PA is assigned to Littlestown High School (high), rated A-; Maple Avenue Middle School (middle), rated C-; Rolling Acres Elementary School (elementary). All sit in Littlestown Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Union St, Littlestown, PA compare to other homes in Littlestown 17340?

Among the 4,213 homes in Littlestown 17340, it is worth more than 78% of them ($453,863 against a typical $336,687), its price per square foot is higher than 27% of them ($185 against a typical $214), it is bigger than 86% of them (2,452 ft² against a typical 1,632 ft²), its lot is bigger than 42% of them (0.35 ac against a typical 0.49 ac) and it is newer than 78% of them (2000 against a typical 1986). Measured against all of Adams County, it is worth more than 79% 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 20 Union St, Littlestown, PA?

The 2026 property tax bill for 20 Union St, Littlestown, PA was $5,589. The county assessed it at $295,300.

More homes on Union St

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