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Single Family ResidenceResidential
$335,023$124 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $120,000 on Jan 29, 2016

121 S 16TH ST

ALLENTOWN, PA 18102
4
Beds
2
Baths
2,712 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.
3,798 ft²
Lot SizeThe size of the land the home sits on, from county records.
1914
Year BuiltThe year the home was originally built, according to county records.
3
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.

Valuation

$335K
$302K low$368K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$120,000 · Jan 29, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,609 (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.$140,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$126,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$140,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$140,000

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.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
69
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
35
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
StyleThe architectural style of the home, such as ranch or colonial.Split Level
CountyLehigh
Lot (acres)The size of the land the home sits on, from county records.0.09
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Baseboard
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.No Garage

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.

M
Raub Middle SchoolF
Middle · Grades 6–8 · 0.2 mi
H
William Allen High SchoolD-
High · Grades 9–12 · 0.4 mi
E
Union Terrace Elementary SchoolD-
Elementary · Grades PK–5 · 0.4 mi

District: Allentown School District

Neighborhood · ZIP 18102These 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.147
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.72

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.7%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.24%
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.53,079
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.17,055 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$40,504
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$51,244
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.53%

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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

121 S 16th 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 97% of homes in Allentown 18102
  • Costs less per square foot than 96% of homes in Lehigh County
  • Bigger than 94% of homes in Allentown 18102
  • Has a bigger lot than 91% of homes in Allentown 18102
  • Older than 82% of homes in Lehigh County

What homes are worth in Allentown 18102

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

This home
$117K$354K

This home is worth more than 97% of homes in Allentown 18102.

How it measures up in Allentown 18102

The dot is this home. The mark in the middle is the typical home in Allentown 18102.

Estimated value$335,023
CheaperTypical $211,791Pricier

Pricier than 97% of homes nearby

Price per ft²$124
CheaperTypical $136Pricier

Pricier than 32% of homes nearby

Living area2,712 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 94% of homes nearby

Lot size3,798 ft²
SmallerTypical 1,786 ft²Bigger

Bigger than 91% of homes nearby

Year built1914
OlderTypical 1905Newer

Newer than 77% of homes nearby

How 121 S 16th St ranks against every home in each area.
MeasureThis homeWest Walnut / Union TerraceAllentown 18102Lehigh County
Estimated valuepricier than$335,02392% of homes97% of homes49% of homes
Price per ft²pricier than$1248% of homes32% of homes4% of homes
Living areabigger than2,712 ft²92% of homes94% of homes88% of homes
Lot sizebigger than3,798 ft²80% of homes91% of homes26% of homes
Year builtnewer than191419% of homes77% of homes18% of homes

About 121 S 16th St

How much is 121 S 16th St, Allentown, PA worth?

The TopHap Estimate for 121 S 16th St, Allentown, PA is $335,023 as of Oct 21, 2026. The likely range is $302,342 to $367,704. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 S 16th St, Allentown, PA last sell?

121 S 16th St, Allentown, PA last sold on Jan 29, 2016 for $120,000, according to the county's recorded deed.

How big is 121 S 16th St, Allentown, PA?

121 S 16th St, Allentown, PA has 4 bedrooms, 2 bathrooms, 2,712 square feet of living space and a 0.09-acre lot.

When was 121 S 16th St, Allentown, PA built?

121 S 16th St, Allentown, PA was built in 1914, making it 112 years old. It is a split level home. The building has 3 stories.

What schools serve 121 S 16th St, Allentown, PA?

121 S 16th St, Allentown, PA is assigned to Raub Middle School (middle), rated F; William Allen High School (high), rated D-; Union Terrace Elementary School (elementary), rated D-. All sit in Allentown School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 S 16th St, Allentown, PA compare to other homes in Allentown 18102?

Among the 11,374 homes in Allentown 18102, it is worth more than 97% of them ($335,023 against a typical $211,791), its price per square foot is higher than 32% of them ($124 against a typical $136), it is bigger than 94% of them (2,712 ft² against a typical 1,620 ft²), its lot is bigger than 91% of them (3,798 ft² against a typical 1,786 ft²) and it is newer than 77% of them (1914 against a typical 1905). Measured against all of Lehigh County, it is worth more than 49% 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 121 S 16th St, Allentown, PA?

The 2026 property tax bill for 121 S 16th St, Allentown, PA was $4,609. The county assessed it at $140,000.

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