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Single Family ResidenceResidential
$280,595$188 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $60,000 on Aug 12, 2020

129 DIAMOND ST

SLATINGTON, PA 18080
3
Beds
1.5
Baths
1,496 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1902
Year BuiltThe year the home was originally built, according to county records.
2
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

$281K
$269K low$292K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$60,000 · Aug 12, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,764 (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.$95,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$79,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$95,600

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.45 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyLEHIGH
Lot (acres)The size of the land the home sits on, from county records.0.13
HeatingThe type of heating system in the home.Baseboard
GarageWhether the property has a garage, and details like whether it is attached to the home.No Garage
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

M
Northern Lehigh Middle SchoolB
Middle · Grades 7–8 · 0.4 mi
H
Northern Lehigh High SchoolB
High · Grades 9–12 · 0.5 mi
E
Peters Elementary School
Elementary · Grades KG–2 · 2.7 mi

District: Northern Lehigh School District

Neighborhood · ZIP 18080These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.71

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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.13,067
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.406 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,545
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,662
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

129 Diamond 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 68% of homes in Lehigh County
  • Costs less per square foot than 69% of homes in Lehigh County
  • Has a smaller lot than 84% of homes in Slatington 18080
  • Older than 87% of homes in Lehigh County

What homes are worth in Slatington 18080

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

This home
$137K$808K

This home is worth more than 43% of homes in Slatington 18080.

How it measures up in Slatington 18080

The dot is this home. The mark in the middle is the typical home in Slatington 18080.

Estimated value$280,595
CheaperTypical $304,287Pricier

Pricier than 43% of homes nearby

Price per ft²$188
CheaperTypical $190Pricier

Pricier than 47% of homes nearby

Living area1,496 ft²
SmallerTypical 1,634 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.13 ac
SmallerTypical 0.71 acBigger

Bigger than 16% of homes nearby

Year built1902
OlderTypical 1973Newer

Newer than 28% of homes nearby

How 129 Diamond St ranks against every home in each area.
MeasureThis homeSlatington 18080Lehigh County
Estimated valuepricier than$280,59543% of homes32% of homes
Price per ft²pricier than$18847% of homes31% of homes
Living areabigger than1,496 ft²41% of homes38% of homes
Lot sizebigger than0.13 ac16% of homes32% of homes
Year builtnewer than190228% of homes13% of homes

About 129 Diamond St

How much is 129 Diamond St, Slatington, PA worth?

The TopHap Estimate for 129 Diamond St, Slatington, PA is $280,595 as of Aug 30, 2026. The likely range is $269,445 to $291,745. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 129 Diamond St, Slatington, PA last sell?

129 Diamond St, Slatington, PA last sold on Aug 12, 2020 for $60,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 129 Diamond St, Slatington, PA?

129 Diamond St, Slatington, PA has 3 bedrooms, 1.5 bathrooms, 1,496 square feet of living space and a 0.13-acre lot.

When was 129 Diamond St, Slatington, PA built?

129 Diamond St, Slatington, PA was built in 1902, making it 124 years old. The building has 2 stories.

What schools serve 129 Diamond St, Slatington, PA?

129 Diamond St, Slatington, PA is assigned to Northern Lehigh Middle School (middle), rated B; Northern Lehigh High School (high), rated B; Peters Elementary School (elementary). All sit in Northern Lehigh School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 129 Diamond St, Slatington, PA compare to other homes in Slatington 18080?

Among the 4,421 homes in Slatington 18080, it is worth more than 43% of them ($280,595 against a typical $304,287), its price per square foot is higher than 47% of them ($188 against a typical $190), it is bigger than 41% of them (1,496 ft² against a typical 1,634 ft²), its lot is bigger than 16% of them (0.13 ac against a typical 0.71 ac) and it is newer than 28% of them (1902 against a typical 1973). Measured against all of Lehigh County, it is worth more than 32% 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 129 Diamond St, Slatington, PA?

The 2026 property tax bill for 129 Diamond St, Slatington, PA was $3,764. The county assessed it at $95,600.

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