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Residential (General/Single)Residential
$487,926$349 / 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 93How 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 $276,000 on Jun 6, 2003

23 ISLAND RD

MAHWAH, NJ 07430
0
Baths
1,400 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$488K
$452K low$523K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$276,000 · Jun 6, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,505 (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.$258,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$151,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$107,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$258,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$258,800

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.0.12
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 SchoolB
High · Grades 9–12 · 0.8 mi
E
Lenape MeadowsA-
Elementary · Grades PK–3 · 1.1 mi
M
Ramapo RidgeA-
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

23 Island Rd 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 91% of homes in Bergen County
  • Costs less per square foot than 84% of homes in Bergen County
  • Smaller than 76% of homes in Bergen County
  • Has a smaller lot than 77% of homes in Bergen County
  • Older than 94% 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
$279K$2M

This home is worth more than 31% 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$487,926
CheaperTypical $684,498Pricier

Pricier than 31% of homes nearby

Price per ft²$349
CheaperTypical $388Pricier

Pricier than 23% of homes nearby

Living area1,400 ft²
SmallerTypical 1,817 ft²Bigger

Bigger than 38% of homes nearby

Lot size0.11 ac
SmallerTypical 0.11 acBigger

Bigger than 50% of homes nearby

Year built1930
OlderTypical 1987Newer

Newer than 6% of homes nearby

How 23 Island Rd ranks against every home in each area.
MeasureThis homeMahwah 07430Bergen County
Estimated valuepricier than$487,92631% of homes9% of homes
Price per ft²pricier than$34923% of homes16% of homes
Living areabigger than1,400 ft²38% of homes24% of homes
Lot sizebigger than0.11 ac50% of homes23% of homes
Year builtnewer than19306% of homes22% of homes

About 23 Island Rd

How much is 23 Island Rd, Mahwah, NJ worth?

The TopHap Estimate for 23 Island Rd, Mahwah, NJ is $487,926 as of Sep 24, 2026. The likely range is $452,410 to $523,442. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Island Rd, Mahwah, NJ last sell?

23 Island Rd, Mahwah, NJ last sold on Jun 6, 2003 for $276,000, according to the county's recorded deed.

How big is 23 Island Rd, Mahwah, NJ?

23 Island Rd, Mahwah, NJ has 1,400 square feet of living space and a 0.12-acre lot.

When was 23 Island Rd, Mahwah, NJ built?

23 Island Rd, Mahwah, NJ was built in 1930, making it 96 years old. It is a cape cod home. The building has 2 stories.

What schools serve 23 Island Rd, Mahwah, NJ?

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

How does 23 Island Rd, Mahwah, NJ compare to other homes in Mahwah 07430?

Among the 9,328 homes in Mahwah 07430, it is worth more than 31% of them ($487,926 against a typical $684,498), its price per square foot is higher than 23% of them ($349 against a typical $388), it is bigger than 38% of them (1,400 ft² against a typical 1,817 ft²), its lot is bigger than 50% of them (0.11 ac against a typical 0.11 ac) and it is newer than 6% of them (1930 against a typical 1987). Measured against all of Bergen County, it is worth more than 9% 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 23 Island Rd, Mahwah, NJ?

The 2025 property tax bill for 23 Island Rd, Mahwah, NJ was $5,505. The county assessed it at $258,800.

More homes on Island Rd

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