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Residential (General/Single)Residential
$595,465$338 / 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 Sep 24, 2026

27 ISLAND ROAD & MOUNT AVE

MAHWAH, NJ 07430
0
Baths
1,764 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1923
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$595K
$569K low$622K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,766 (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.$271,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$152,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$118,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$271,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$271,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountyBERGEN
Lot (acres)The size of the land the home sits on, from county records.0.13
ConstructionThe main material the home's frame and walls are built from.Stone
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

H
Mahwah High SchoolA-
High · Grades 9–12 · 0.8 mi
E
Lenape MeadowsB+
Elementary · Grades PK–3 · 1.1 mi
M
Ramapo RidgeB-
Middle · Grades 6–8 · 1.2 mi

District: Mahwah Township School District

Neighborhood · ZIP 07430These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.111

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.5%
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.26,174
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.981 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$120,075
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$160,495
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.51 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

27 Island Road & Mount 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 79% of homes in Bergen County
  • Costs less per square foot than 88% of homes in Bergen County
  • Older than 95% of homes in Mahwah 07430

What homes are worth in Mahwah 07430

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

This home
$280K$2M

This home is worth more than 41% of homes in Mahwah 07430.

How it measures up in Mahwah 07430

The dot is this home. The mark in the middle is the typical home in Mahwah 07430.

Estimated value$595,465
CheaperTypical $685,535Pricier

Pricier than 41% of homes nearby

Price per ft²$338
CheaperTypical $388Pricier

Pricier than 18% of homes nearby

Living area1,764 ft²
SmallerTypical 1,820 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.13 ac
SmallerTypical 0.12 acBigger

Bigger than 51% of homes nearby

Year built1923
OlderTypical 1987Newer

Newer than 5% of homes nearby

How 27 Island Road & Mount Ave ranks against every home in each area.
MeasureThis homeMahwah 07430Bergen County
Estimated valuepricier than$595,46541% of homes21% of homes
Price per ft²pricier than$33818% of homes12% of homes
Living areabigger than1,764 ft²48% of homes45% of homes
Lot sizebigger than0.13 ac51% of homes37% of homes
Year builtnewer than19235% of homes13% of homes

About 27 Island Road & Mount Ave

How much is 27 Island Road & Mount Ave, Mahwah, NJ worth?

The TopHap Estimate for 27 Island Road & Mount Ave, Mahwah, NJ is $595,465 as of Sep 24, 2026. The likely range is $569,377 to $621,553. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 27 Island Road & Mount Ave, Mahwah, NJ last sell?

27 Island Road & Mount Ave, Mahwah, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 27 Island Road & Mount Ave, Mahwah, NJ?

27 Island Road & Mount Ave, Mahwah, NJ has 1,764 square feet of living space and a 0.13-acre lot.

When was 27 Island Road & Mount Ave, Mahwah, NJ built?

27 Island Road & Mount Ave, Mahwah, NJ was built in 1923, making it 103 years old. It is a cape cod home. The building has 2 stories.

What schools serve 27 Island Road & Mount Ave, Mahwah, NJ?

27 Island Road & Mount Ave, Mahwah, NJ is assigned to Mahwah High School (high), rated A-; Lenape Meadows (elementary), rated B+; Ramapo Ridge (middle), rated B-. All sit in Mahwah Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 27 Island Road & Mount Ave, Mahwah, NJ compare to other homes in Mahwah 07430?

Among the 9,337 homes in Mahwah 07430, it is worth more than 41% of them ($595,465 against a typical $685,535), its price per square foot is higher than 18% of them ($338 against a typical $388), it is bigger than 48% of them (1,764 ft² against a typical 1,820 ft²), its lot is bigger than 51% of them (0.13 ac against a typical 0.12 ac) and it is newer than 5% of them (1923 against a typical 1987). Measured against all of Bergen County, it is worth more than 21% 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 27 Island Road & Mount Ave, Mahwah, NJ?

The 2025 property tax bill for 27 Island Road & Mount Ave, Mahwah, NJ was $5,766. The county assessed it at $271,100.

Closest homes

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