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Single Family ResidenceResidential
$161,421$81 / 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 89How 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
Last sold for $159,000 on Jul 30, 2026

427 ARCH ST

NORRISTOWN, PA 19401
4
Beds
1
Baths
1,984 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.
1,600 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.
3
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

$161K
$144K low$179K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$159,000 · Jul 30, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,884 (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.$45,200 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$45,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$45,200

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.19 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
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

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
Stewart Middle SchoolC-
Middle · Grades 5–8 · 1.4 mi
E
Marshall Street Elementary SchoolC
Elementary · Grades KG–4 · 1.6 mi
H
Norristown Area High SchoolD
High · Grades 9–12 · 2.6 mi

District: Norristown Area School District

Neighborhood · ZIP 19401These 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.150
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.79

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.44,614
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,253 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,711
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,365
Average tempThe average temperature here across a full year.54°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.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

427 Arch 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.

  • Among the least valuable homes in Montgomery County
  • Among the lowest price per square foot in Montgomery County
  • Bigger than 76% of homes in Norristown 19401
  • Has a smaller lot than 89% of homes in Montgomery County
  • Older than 93% of homes in Montgomery County

What homes are worth in Norristown 19401

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

This home
$106K$577K

This home is worth more than 19% of homes in Norristown 19401.

How it measures up in Norristown 19401

The dot is this home. The mark in the middle is the typical home in Norristown 19401.

Estimated value$161,421
CheaperTypical $261,017Pricier

Pricier than 19% of homes nearby

Price per ft²$81
CheaperTypical $181Pricier

Pricier than 4% of homes nearby

Living area1,984 ft²
SmallerTypical 1,520 ft²Bigger

Bigger than 76% of homes nearby

Lot size1,600 ft²
SmallerTypical 2,831 ft²Bigger

Bigger than 19% of homes nearby

Year built1900
OlderTypical 1928Newer

Newer than 28% of homes nearby

How 427 Arch St ranks against every home in each area.
MeasureThis homeNorristown 19401Montgomery County
Estimated valuepricier than$161,42119% of homesalmost no homes
Price per ft²pricier than$814% of homesalmost no homes
Living areabigger than1,984 ft²76% of homes49% of homes
Lot sizebigger than1,600 ft²19% of homes11% of homes
Year builtnewer than190028% of homes7% of homes

About 427 Arch St

How much is 427 Arch St, Norristown, PA worth?

The TopHap Estimate for 427 Arch St, Norristown, PA is $161,421 as of Sep 24, 2026. The likely range is $143,660 to $179,182. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 427 Arch St, Norristown, PA last sell?

427 Arch St, Norristown, PA last sold on Jul 30, 2026 for $159,000, according to the county's recorded deed.

How big is 427 Arch St, Norristown, PA?

427 Arch St, Norristown, PA has 4 bedrooms, 1 bathrooms, 1,984 square feet of living space and a 0.04-acre lot.

When was 427 Arch St, Norristown, PA built?

427 Arch St, Norristown, PA was built in 1900, making it 126 years old. The building has 3 stories.

What schools serve 427 Arch St, Norristown, PA?

427 Arch St, Norristown, PA is assigned to Stewart Middle School (middle), rated C-; Marshall Street Elementary School (elementary), rated C; Norristown Area High School (high), rated D. All sit in Norristown Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 427 Arch St, Norristown, PA compare to other homes in Norristown 19401?

Among the 11,278 homes in Norristown 19401, it is worth more than 19% of them ($161,421 against a typical $261,017), its price per square foot is higher than 4% of them ($81 against a typical $181), it is bigger than 76% of them (1,984 ft² against a typical 1,520 ft²), its lot is bigger than 19% of them (1,600 ft² against a typical 2,831 ft²) and it is newer than 28% of them (1900 against a typical 1928). Measured against all of Montgomery County, it is worth more than almost no 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 427 Arch St, Norristown, PA?

The 2026 property tax bill for 427 Arch St, Norristown, PA was $2,884. The county assessed it at $45,200.

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