Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$399,989$272 / 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 93How 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 $268,000 on Jul 20, 2020

404 KEYSTONE AVE

EMMAUS, PA 18049
3
Beds
1
Baths
1,470 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$400K
$374K low$426K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$268,000 · Jul 20, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,357 (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.$175,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$34,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$141,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$175,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$175,300

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.0.21
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
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, Detached

Transaction History(2)

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.

E
Lincoln Elementary SchoolA
Elementary · Grades KG–5 · 0.1 mi
H
Emmaus High SchoolA
High · Grades 9–12 · 0.8 mi
M
Lower Macungie Middle SchoolB
Middle · Grades 6–8 · 4.2 mi

District: East Penn School District

Neighborhood · ZIP 18049These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.76

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.1%
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.19,279
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,284 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,006
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,840
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.53%

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

404 Keystone Ave 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 65% of homes in Lehigh County
  • Costs more per square foot than 91% of homes in Lehigh County
  • Smaller than 65% of homes in Emmaus 18049
  • Older than 66% of homes in Lehigh County

What homes are worth in Emmaus 18049

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

This home
$197K$835K

This home is worth more than 56% of homes in Emmaus 18049.

How it measures up in Emmaus 18049

The dot is this home. The mark in the middle is the typical home in Emmaus 18049.

Estimated value$399,989
CheaperTypical $378,870Pricier

Pricier than 56% of homes nearby

Price per ft²$272
CheaperTypical $222Pricier

Pricier than 87% of homes nearby

Living area1,470 ft²
SmallerTypical 1,698 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.21 ac
SmallerTypical 0.24 acBigger

Bigger than 44% of homes nearby

Year built1950
OlderTypical 1960Newer

Newer than 35% of homes nearby

How 404 Keystone Ave ranks against every home in each area.
MeasureThis homeEmmaus 18049Lehigh County
Estimated valuepricier than$399,98956% of homes65% of homes
Price per ft²pricier than$27287% of homes91% of homes
Living areabigger than1,470 ft²35% of homes37% of homes
Lot sizebigger than0.21 ac44% of homes50% of homes
Year builtnewer than195035% of homes34% of homes

About 404 Keystone Ave

How much is 404 Keystone Ave, Emmaus, PA worth?

The TopHap Estimate for 404 Keystone Ave, Emmaus, PA is $399,989 as of Aug 30, 2026. The likely range is $373,555 to $426,423. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 404 Keystone Ave, Emmaus, PA last sell?

404 Keystone Ave, Emmaus, PA last sold on Jul 20, 2020 for $268,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 404 Keystone Ave, Emmaus, PA?

404 Keystone Ave, Emmaus, PA has 3 bedrooms, 1 bathrooms, 1,470 square feet of living space and a 0.21-acre lot.

When was 404 Keystone Ave, Emmaus, PA built?

404 Keystone Ave, Emmaus, PA was built in 1950, making it 76 years old. It is a split level home. The building has 2 stories.

What schools serve 404 Keystone Ave, Emmaus, PA?

404 Keystone Ave, Emmaus, PA is assigned to Lincoln Elementary School (elementary), rated A; Emmaus High School (high), rated A; Lower Macungie Middle School (middle), rated B. All sit in East Penn School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 404 Keystone Ave, Emmaus, PA compare to other homes in Emmaus 18049?

Among the 6,715 homes in Emmaus 18049, it is worth more than 56% of them ($399,989 against a typical $378,870), its price per square foot is higher than 87% of them ($272 against a typical $222), it is bigger than 35% of them (1,470 ft² against a typical 1,698 ft²), its lot is bigger than 44% of them (0.21 ac against a typical 0.24 ac) and it is newer than 35% of them (1950 against a typical 1960). Measured against all of Lehigh County, it is worth more than 65% 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 404 Keystone Ave, Emmaus, PA?

The 2026 property tax bill for 404 Keystone Ave, Emmaus, PA was $6,357. The county assessed it at $175,300.

More homes on Keystone Ave

Closest homes

More homes in Emmaus 18049

Assigned schools

Explore the area

See this home in context

Open 404 Keystone Ave 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