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Duplex (2 Units, Any Combination)Residential

21 DOUGLAS ST

AMBLER, PA 19002
2
Beds
1
Baths
1,469 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.
1,911 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,152 (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.$97,780 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$97,780
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$97,780

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.04
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 221 ft²Porch · 70 ft²

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.

H
Upper Dublin High SchoolA+
High · Grades 9–12 · 0.7 mi
E
Fort Washington Elementary SchoolA+
Elementary · Grades KG–5 · 0.9 mi
M
Sandy Run Middle SchoolA
Middle · Grades 6–8 · 3.0 mi

District: Upper Dublin School District

Neighborhood · ZIP 19002These 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.60
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.81

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.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
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.36,861
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,678 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,744
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$171,064
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

21 Douglas 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.

  • Smaller than 88% of homes in Upper Dublin
  • Has a smaller lot than 91% of homes in Upper Dublin
  • Older than 96% of homes in Upper Dublin

How it measures up in Ambler 19002

The dot is this home. The mark in the middle is the typical home in Ambler 19002.

Living area1,469 ft²
SmallerTypical 2,490 ft²Bigger

Bigger than 14% of homes nearby

Lot size1,911 ft²
SmallerTypical 0.39 acBigger

Bigger than 9% of homes nearby

Year built1900
OlderTypical 1977Newer

Newer than 5% of homes nearby

How 21 Douglas St ranks against every home in each area.
MeasureThis homeUpper DublinAmbler 19002Montgomery County
Living areabigger than1,469 ft²12% of homes14% of homes25% of homes
Lot sizebigger than1,911 ft²9% of homes9% of homes13% of homes
Year builtnewer than19004% of homes5% of homes7% of homes

About 21 Douglas St

When did 21 Douglas St, Ambler, PA last sell?

21 Douglas St, Ambler, PA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Douglas St, Ambler, PA?

21 Douglas St, Ambler, PA has 2 bedrooms, 1 bathrooms, 1,469 square feet of living space and a 0.04-acre lot.

When was 21 Douglas St, Ambler, PA built?

21 Douglas St, Ambler, PA was built in 1900, making it 126 years old. It is a duplex single home. The building has 2 stories.

What schools serve 21 Douglas St, Ambler, PA?

21 Douglas St, Ambler, PA is assigned to Upper Dublin High School (high), rated A+; Fort Washington Elementary School (elementary), rated A+; Sandy Run Middle School (middle), rated A. All sit in Upper Dublin School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Douglas St, Ambler, PA compare to other homes in Ambler 19002?

Among the 11,407 homes in Ambler 19002, it is bigger than 14% of them (1,469 ft² against a typical 2,490 ft²), its lot is bigger than 9% of them (1,911 ft² against a typical 0.39 ac) and it is newer than 5% of them (1900 against a typical 1977). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21 Douglas St, Ambler, PA?

The 2026 property tax bill for 21 Douglas St, Ambler, PA was $5,152. The county assessed it at $97,780.

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