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Residential (General/Single)Residential
$1,334,680$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 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 $1,285,000 on Dec 15, 2025

18 BOULDER TRL

MAHWAH, NJ 07430
0
Baths
3,301 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1997
Year BuiltThe year the home was originally built, according to county records.

Valuation

$1.3M
$1.2M 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.$1,285,000 · Dec 15, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,698 (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.$691,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$309,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$381,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$691,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$691,000

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.0.23
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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 · 0.8 mi
H
Mahwah High SchoolB
High · Grades 9–12 · 1.2 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

18 Boulder Trl 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 87% of homes in Mahwah 07430
  • Bigger than 89% of homes in Bergen County
  • Has a bigger lot than 67% of homes in Bergen County
  • Newer than 91% 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
$287K$2.1M

This home is worth more than 87% 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$1,334,680
CheaperTypical $689,991Pricier

Pricier than 87% of homes nearby

Price per ft²$404
CheaperTypical $388Pricier

Pricier than 61% of homes nearby

Living area3,301 ft²
SmallerTypical 1,820 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.23 ac
SmallerTypical 0.12 acBigger

Bigger than 57% of homes nearby

Year built1997
OlderTypical 1987Newer

Newer than 91% of homes nearby

How 18 Boulder Trl ranks against every home in each area.
MeasureThis homeMahwah 07430Bergen County
Estimated valuepricier than$1,334,68087% of homes87% of homes
Price per ft²pricier than$40461% of homes38% of homes
Living areabigger than3,301 ft²85% of homes89% of homes
Lot sizebigger than0.23 ac57% of homes67% of homes
Year builtnewer than199791% of homes88% of homes

About 18 Boulder Trl

How much is 18 Boulder Trl, Mahwah, NJ worth?

The TopHap Estimate for 18 Boulder Trl, Mahwah, NJ is $1,334,680 as of Sep 24, 2026. The likely range is $1,245,250 to $1,424,110. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Boulder Trl, Mahwah, NJ last sell?

18 Boulder Trl, Mahwah, NJ last sold on Dec 15, 2025 for $1,285,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 18 Boulder Trl, Mahwah, NJ?

18 Boulder Trl, Mahwah, NJ has 3,301 square feet of living space and a 0.23-acre lot.

When was 18 Boulder Trl, Mahwah, NJ built?

18 Boulder Trl, Mahwah, NJ was built in 1997, making it 29 years old.

What schools serve 18 Boulder Trl, Mahwah, NJ?

18 Boulder Trl, Mahwah, NJ is assigned to Betsy Ross Elementary School (elementary), rated A+; Mahwah High School (high), rated B; 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 18 Boulder Trl, Mahwah, NJ compare to other homes in Mahwah 07430?

Among the 9,328 homes in Mahwah 07430, it is worth more than 87% of them ($1,334,680 against a typical $689,991), its price per square foot is higher than 61% of them ($404 against a typical $388), it is bigger than 85% of them (3,301 ft² against a typical 1,820 ft²), its lot is bigger than 57% of them (0.23 ac against a typical 0.12 ac) and it is newer than 91% of them (1997 against a typical 1987). Measured against all of Bergen County, it is worth more than 87% 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 18 Boulder Trl, Mahwah, NJ?

The 2025 property tax bill for 18 Boulder Trl, Mahwah, NJ was $14,698. The county assessed it at $691,000.

More homes on Boulder Trl

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