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Single Family ResidenceResidential
$1,259,659$357 / 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 Oct 21, 2026
Last sold for $607,000 on May 5, 2004

335 DARBY LN

MOUNTAINSIDE, NJ 07092
0
Baths
3,531 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
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.$607,000 · May 5, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,380 (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.$780,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$308,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$472,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$780,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$780,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.34
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.

M
Deerfield Elementary SchoolA+
Middle · Grades 3–8 · 0.4 mi
E
Beechwood School
Elementary · Grades PK–2 · 1.6 mi
H
Governor Livingston High SchoolB+
High · Grades 9–12 · 2.1 mi

District: Berkeley Heights Township School District

Neighborhood · ZIP 07092These 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.63
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.113

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.7,481
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,781 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$152,285
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$207,319
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

335 Darby Ln 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 92% of homes in Union County
  • Costs less per square foot than 93% of homes in Mountainside 07092
  • Bigger than 93% of homes in Union County
  • Has a bigger lot than 85% of homes in Union County
  • Older than 76% of homes in Mountainside 07092

What homes are worth in Mountainside 07092

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

This home
$630K$1.8M

This home is worth more than 81% of homes in Mountainside 07092.

How it measures up in Mountainside 07092

The dot is this home. The mark in the middle is the typical home in Mountainside 07092.

Estimated value$1,259,659
CheaperTypical $1,002,486Pricier

Pricier than 81% of homes nearby

Price per ft²$357
CheaperTypical $436Pricier

Pricier than 7% of homes nearby

Living area3,531 ft²
SmallerTypical 2,348 ft²Bigger

Bigger than 90% of homes nearby

Lot size0.34 ac
SmallerTypical 0.36 acBigger

Bigger than 36% of homes nearby

Year built1950
OlderTypical 1956Newer

Newer than 24% of homes nearby

How 335 Darby Ln ranks against every home in each area.
MeasureThis homeMountainside 07092Union County
Estimated valuepricier than$1,259,65981% of homes92% of homes
Price per ft²pricier than$3577% of homes33% of homes
Living areabigger than3,531 ft²90% of homes93% of homes
Lot sizebigger than0.34 ac36% of homes85% of homes
Year builtnewer than195024% of homes51% of homes

About 335 Darby Ln

How much is 335 Darby Ln, Mountainside, NJ worth?

The TopHap Estimate for 335 Darby Ln, Mountainside, NJ is $1,259,659 as of Oct 21, 2026. The likely range is $1,110,010 to $1,409,308. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 335 Darby Ln, Mountainside, NJ last sell?

335 Darby Ln, Mountainside, NJ last sold on May 5, 2004 for $607,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 335 Darby Ln, Mountainside, NJ?

335 Darby Ln, Mountainside, NJ has 3,531 square feet of living space and a 0.34-acre lot.

When was 335 Darby Ln, Mountainside, NJ built?

335 Darby Ln, Mountainside, NJ was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 335 Darby Ln, Mountainside, NJ?

335 Darby Ln, Mountainside, NJ is assigned to Deerfield Elementary School (middle), rated A+; Beechwood School (elementary); Governor Livingston High School (high), rated B+. All sit in Berkeley Heights Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 335 Darby Ln, Mountainside, NJ compare to other homes in Mountainside 07092?

Among the 2,582 homes in Mountainside 07092, it is worth more than 81% of them ($1,259,659 against a typical $1,002,486), its price per square foot is higher than 7% of them ($357 against a typical $436), it is bigger than 90% of them (3,531 ft² against a typical 2,348 ft²), its lot is bigger than 36% of them (0.34 ac against a typical 0.36 ac) and it is newer than 24% of them (1950 against a typical 1956). Measured against all of Union County, it is worth more than 92% 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 335 Darby Ln, Mountainside, NJ?

The 2025 property tax bill for 335 Darby Ln, Mountainside, NJ was $16,380. The county assessed it at $780,000.

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