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Single Family ResidenceResidential
$479,294$290 / 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 94How 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

129 MATTISON AVE

AMBLER, PA 19002
4
Beds
1.5
Baths
1,650 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$479K
$449K low$509K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,217 (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.$125,950 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$125,950
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$125,950

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.Colonial
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.18
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 · 184 ft²

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
Wissahickon Middle SchoolA-
Middle · Grades 6–8 · 1.1 mi
H
Wissahickon High SchoolA
High · Grades 9–12 · 1.3 mi
E
Shady Grove Elementary SchoolA+
Elementary · Grades KG–5 · 1.9 mi

District: Wissahickon 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

129 Mattison 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 less than 82% of homes in Ambler 19002
  • Costs more per square foot than 73% of homes in Montgomery County
  • Smaller than 80% of homes in Ambler 19002
  • Has a bigger lot than 75% of homes in Ambler
  • Older than 90% of homes in Ambler 19002

What homes are worth in Ambler 19002

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

This home
$291K$1.9M

This home is worth more than 18% of homes in Ambler 19002.

How it measures up in Ambler 19002

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

Estimated value$479,294
CheaperTypical $713,584Pricier

Pricier than 18% of homes nearby

Price per ft²$290
CheaperTypical $282Pricier

Pricier than 57% of homes nearby

Living area1,650 ft²
SmallerTypical 2,491 ft²Bigger

Bigger than 20% of homes nearby

Lot size0.18 ac
SmallerTypical 0.39 acBigger

Bigger than 36% of homes nearby

Year built1920
OlderTypical 1977Newer

Newer than 10% of homes nearby

How 129 Mattison Ave ranks against every home in each area.
MeasureThis homeAmblerAmbler 19002Montgomery County
Estimated valuepricier than$479,29453% of homes18% of homes45% of homes
Price per ft²pricier than$29058% of homes57% of homes73% of homes
Living areabigger than1,650 ft²54% of homes20% of homes34% of homes
Lot sizebigger than0.18 ac75% of homes36% of homes41% of homes
Year builtnewer than192031% of homes10% of homes12% of homes

About 129 Mattison Ave

How much is 129 Mattison Ave, Ambler, PA worth?

The TopHap Estimate for 129 Mattison Ave, Ambler, PA is $479,294 as of Sep 24, 2026. The likely range is $449,145 to $509,443. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 129 Mattison Ave, Ambler, PA last sell?

129 Mattison Ave, Ambler, PA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 129 Mattison Ave, Ambler, PA?

129 Mattison Ave, Ambler, PA has 4 bedrooms, 1.5 bathrooms, 1,650 square feet of living space and a 0.18-acre lot.

When was 129 Mattison Ave, Ambler, PA built?

129 Mattison Ave, Ambler, PA was built in 1920, making it 106 years old. It is a colonial home. The building has 2 stories.

What schools serve 129 Mattison Ave, Ambler, PA?

129 Mattison Ave, Ambler, PA is assigned to Wissahickon Middle School (middle), rated A-; Wissahickon High School (high), rated A; Shady Grove Elementary School (elementary), rated A+. All sit in Wissahickon School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 129 Mattison Ave, Ambler, PA compare to other homes in Ambler 19002?

Among the 11,407 homes in Ambler 19002, it is worth more than 18% of them ($479,294 against a typical $713,584), its price per square foot is higher than 57% of them ($290 against a typical $282), it is bigger than 20% of them (1,650 ft² against a typical 2,491 ft²), its lot is bigger than 36% of them (0.18 ac against a typical 0.39 ac) and it is newer than 10% of them (1920 against a typical 1977). Measured against all of Montgomery County, it is worth more than 45% 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 Mattison Ave, Ambler, PA?

The 2026 property tax bill for 129 Mattison Ave, Ambler, PA was $5,217. The county assessed it at $125,950.

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