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Residential (General/Single)Residential
$1,266,536$431 / 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 88How 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 $1,120,000 on Feb 28, 2025

40 WILLIAM PL

GLEN ROCK, NJ 07452
0
Baths
2,938 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.1M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,120,000 · Feb 28, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$23,297 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$683,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$321,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$362,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$683,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$683,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyBERGEN
Lot (acres)The size of the land the home sits on, from county records.0.26
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Built-in
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.

E
Richard E. Byrd Elementary SchoolA+
Elementary · Grades KG–5 · 0.5 mi
M
Glen Rock Middle SchoolB
Middle · Grades 6–8 · 1.1 mi
H
Glen Rock High SchoolA
High · Grades 9–12 · 1.1 mi

District: Glen Rock Borough School District

Neighborhood · ZIP 07452These 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.1
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.117
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.117

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.12,488
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,577 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$185,370
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$206,610
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

40 William Pl 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 84% of homes in Bergen County
  • Costs less per square foot than 89% of homes in Glen Rock 07452
  • Bigger than 86% of homes in Glen Rock 07452
  • Has a bigger lot than 71% of homes in Bergen County
  • Newer than 92% of homes in Glen Rock 07452

What homes are worth in Glen Rock 07452

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

This home
$657K$2M

This home is worth more than 72% of homes in Glen Rock 07452.

How it measures up in Glen Rock 07452

The dot is this home. The mark in the middle is the typical home in Glen Rock 07452.

Estimated value$1,266,536
CheaperTypical $1,073,552Pricier

Pricier than 72% of homes nearby

Price per ft²$431
CheaperTypical $536Pricier

Pricier than 11% of homes nearby

Living area2,938 ft²
SmallerTypical 2,094 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.26 ac
SmallerTypical 0.24 acBigger

Bigger than 58% of homes nearby

Year built1986
OlderTypical 1950Newer

Newer than 92% of homes nearby

How 40 William Pl ranks against every home in each area.
MeasureThis homeGlen Rock 07452Bergen County
Estimated valuepricier than$1,266,53672% of homes84% of homes
Price per ft²pricier than$43111% of homes50% of homes
Living areabigger than2,938 ft²86% of homes84% of homes
Lot sizebigger than0.26 ac58% of homes71% of homes
Year builtnewer than198692% of homes81% of homes

About 40 William Pl

How much is 40 William Pl, Glen Rock, NJ worth?

The TopHap Estimate for 40 William Pl, Glen Rock, NJ is $1,266,536 as of Sep 24, 2026. The likely range is $1,114,672 to $1,418,400. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 40 William Pl, Glen Rock, NJ last sell?

40 William Pl, Glen Rock, NJ last sold on Feb 28, 2025 for $1,120,000, according to the county's recorded deed.

How big is 40 William Pl, Glen Rock, NJ?

40 William Pl, Glen Rock, NJ has 2,938 square feet of living space and a 0.26-acre lot.

When was 40 William Pl, Glen Rock, NJ built?

40 William Pl, Glen Rock, NJ was built in 1986, making it 40 years old. The building has 2 stories.

What schools serve 40 William Pl, Glen Rock, NJ?

40 William Pl, Glen Rock, NJ is assigned to Richard E. Byrd Elementary School (elementary), rated A+; Glen Rock Middle School (middle), rated B; Glen Rock High School (high), rated A. All sit in Glen Rock Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 40 William Pl, Glen Rock, NJ compare to other homes in Glen Rock 07452?

Among the 3,872 homes in Glen Rock 07452, it is worth more than 72% of them ($1,266,536 against a typical $1,073,552), its price per square foot is higher than 11% of them ($431 against a typical $536), it is bigger than 86% of them (2,938 ft² against a typical 2,094 ft²), its lot is bigger than 58% of them (0.26 ac against a typical 0.24 ac) and it is newer than 92% of them (1986 against a typical 1950). Measured against all of Bergen County, it is worth more than 84% 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 40 William Pl, Glen Rock, NJ?

The 2025 property tax bill for 40 William Pl, Glen Rock, NJ was $23,297. The county assessed it at $683,800.

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