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Single Family ResidenceResidential
$532,747$305 / 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 Jul 14, 2026
Last sold for $456,000 on Jul 13, 2021

321 ROBERTS AVE

CONSHOHOCKEN, PA 19428
4
Beds
1.5
Baths
1,747 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.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$533K
$514K low$552K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$456,000 · Jul 13, 2021
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$167,947
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$134,358
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.71%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$364,800
QUICKEN LOANS INC · recorded Jul 13, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,795 (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.$137,750 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$137,750
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$137,750

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.0.21
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 · 495 ft²

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.

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

E
Ridge Park Elementary SchoolA-
Elementary · Grades KG–3 · 1.1 mi
H
Plymouth Whitemarsh High SchoolA
High · Grades 9–12 · 1.6 mi
M
Colonial Middle SchoolA
Middle · Grades 6–8 · 3.2 mi

District: Colonial School District

Neighborhood · ZIP 19428These 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.124
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 100.82

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.95%
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.5.4%
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.19,757
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,755 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,256
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,263
Average tempThe average temperature here across a full year.54°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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

321 Roberts 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.

  • Costs more per square foot than 79% of homes in Montgomery County
  • Has a bigger lot than 79% of homes in Conshohocken 19428
  • Older than 72% of homes in Montgomery County

What homes are worth in Conshohocken 19428

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

This home
$273K$1.1M

This home is worth more than 53% of homes in Conshohocken 19428.

How it measures up in Conshohocken 19428

The dot is this home. The mark in the middle is the typical home in Conshohocken 19428.

Estimated value$532,747
CheaperTypical $519,028Pricier

Pricier than 53% of homes nearby

Price per ft²$305
CheaperTypical $308Pricier

Pricier than 49% of homes nearby

Living area1,747 ft²
SmallerTypical 1,604 ft²Bigger

Bigger than 57% of homes nearby

Lot size0.21 ac
SmallerTypical 3,485 ft²Bigger

Bigger than 79% of homes nearby

Year built1950
OlderTypical 1954Newer

Newer than 46% of homes nearby

How 321 Roberts Ave ranks against every home in each area.
MeasureThis homeConshohocken 19428Montgomery County
Estimated valuepricier than$532,74753% of homes55% of homes
Price per ft²pricier than$30549% of homes79% of homes
Living areabigger than1,747 ft²57% of homes39% of homes
Lot sizebigger than0.21 ac79% of homes45% of homes
Year builtnewer than195046% of homes28% of homes

About 321 Roberts Ave

How much is 321 Roberts Ave, Conshohocken, PA worth?

The TopHap Estimate for 321 Roberts Ave, Conshohocken, PA is $532,747 as of Jul 14, 2026. The likely range is $513,532 to $551,962. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Roberts Ave, Conshohocken, PA last sell?

321 Roberts Ave, Conshohocken, PA last sold on Jul 13, 2021 for $456,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 321 Roberts Ave, Conshohocken, PA?

321 Roberts Ave, Conshohocken, PA has 4 bedrooms, 1.5 bathrooms, 1,747 square feet of living space and a 0.21-acre lot.

When was 321 Roberts Ave, Conshohocken, PA built?

321 Roberts Ave, Conshohocken, PA was built in 1950, making it 76 years old. It is a colonial home. The building has 2 stories.

What schools serve 321 Roberts Ave, Conshohocken, PA?

321 Roberts Ave, Conshohocken, PA is assigned to Ridge Park Elementary School (elementary), rated A-; Plymouth Whitemarsh High School (high), rated A; Colonial Middle School (middle), rated A. All sit in Colonial School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Roberts Ave, Conshohocken, PA compare to other homes in Conshohocken 19428?

Among the 6,695 homes in Conshohocken 19428, it is worth more than 53% of them ($532,747 against a typical $519,028), its price per square foot is higher than 49% of them ($305 against a typical $308), it is bigger than 57% of them (1,747 ft² against a typical 1,604 ft²), its lot is bigger than 79% of them (0.21 ac against a typical 3,485 ft²) and it is newer than 46% of them (1950 against a typical 1954). Measured against all of Montgomery County, it is worth more than 55% 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 321 Roberts Ave, Conshohocken, PA?

The 2026 property tax bill for 321 Roberts Ave, Conshohocken, PA was $4,795. The county assessed it at $137,750.

Closest homes

More homes in Conshohocken 19428

Assigned schools

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