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Residential (General/Single)Residential
$861,569$404 / 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 Aug 30, 2026
Last sold for $580,500 on Dec 10, 2015

9 HILLSIDE AVE

MAHWAH, NJ 07430
0
Baths
2,132 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.
1909
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

$862K
$827K low$896K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$580,500 · Dec 10, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,942 (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.$467,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$290,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$177,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$467,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$467,400

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.44
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
95
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

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.0.26
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

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
Betsy Ross Elementary SchoolA+
Elementary · Grades KG–3 · 0.2 mi
H
Mahwah High SchoolA-
High · Grades 9–12 · 0.8 mi
M
Ramapo RidgeB-
Middle · Grades 6–8 · 1.1 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

9 Hillside 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 more than 66% of homes in Mahwah 07430
  • Has a bigger lot than 71% of homes in Bergen County
  • Older than 98% 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
$294K$2M

This home is worth more than 66% 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$861,569
CheaperTypical $692,163Pricier

Pricier than 66% of homes nearby

Price per ft²$404
CheaperTypical $392Pricier

Pricier than 57% of homes nearby

Living area2,132 ft²
SmallerTypical 1,817 ft²Bigger

Bigger than 61% of homes nearby

Lot size0.26 ac
SmallerTypical 0.11 acBigger

Bigger than 61% of homes nearby

Year built1909
OlderTypical 1987Newer

Newer than 2% of homes nearby

How 9 Hillside Ave ranks against every home in each area.
MeasureThis homeMahwah 07430Bergen County
Estimated valuepricier than$861,56966% of homes60% of homes
Price per ft²pricier than$40457% of homes38% of homes
Living areabigger than2,132 ft²61% of homes63% of homes
Lot sizebigger than0.26 ac61% of homes71% of homes
Year builtnewer than19092% of homes4% of homes

About 9 Hillside Ave

How much is 9 Hillside Ave, Mahwah, NJ worth?

The TopHap Estimate for 9 Hillside Ave, Mahwah, NJ is $861,569 as of Aug 30, 2026. The likely range is $827,155 to $895,983. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9 Hillside Ave, Mahwah, NJ last sell?

9 Hillside Ave, Mahwah, NJ last sold on Dec 10, 2015 for $580,500, according to the county's recorded deed.

How big is 9 Hillside Ave, Mahwah, NJ?

9 Hillside Ave, Mahwah, NJ has 2,132 square feet of living space and a 0.26-acre lot.

When was 9 Hillside Ave, Mahwah, NJ built?

9 Hillside Ave, Mahwah, NJ was built in 1909, making it 117 years old. It is a cape cod home. The building has 2 stories.

What schools serve 9 Hillside Ave, Mahwah, NJ?

9 Hillside Ave, Mahwah, NJ is assigned to Betsy Ross Elementary School (elementary), rated A+; Mahwah High School (high), rated A-; 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 9 Hillside Ave, Mahwah, NJ compare to other homes in Mahwah 07430?

Among the 9,337 homes in Mahwah 07430, it is worth more than 66% of them ($861,569 against a typical $692,163), its price per square foot is higher than 57% of them ($404 against a typical $392), it is bigger than 61% of them (2,132 ft² against a typical 1,817 ft²), its lot is bigger than 61% of them (0.26 ac against a typical 0.11 ac) and it is newer than 2% of them (1909 against a typical 1987). Measured against all of Bergen County, it is worth more than 60% 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 9 Hillside Ave, Mahwah, NJ?

The 2025 property tax bill for 9 Hillside Ave, Mahwah, NJ was $9,942. The county assessed it at $467,400.

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