Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,358,367$375 / 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 94How 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 $539,891 on Jan 10, 1995

21 BROOKSIDE DR

GLADSTONE, NJ 07934
0
Baths
3,622 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.
1.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
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

$1.4M
$1.3M 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.$539,891 · Jan 10, 1995

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,916 (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.$1,349,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$456,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$892,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,262,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,349,100

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.50
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
22
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
67
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
43
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.0.2 percent flood zone

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
CountySOMERSET
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

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

M
Bernardsville Middle SchoolA
Middle · Grades 5–8 · 5.1 mi
E
Marion T. Bedwell Elementary SchoolB
Elementary · Grades PK–4 · 5.2 mi
H
Bernards High SchoolA-
High · Grades 9–12 · 5.4 mi

District: Somerset Hills Regional School District

Neighborhood · ZIP 07934These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.97

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
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.1,582
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.334 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$157,213
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$264,195
Average tempThe average temperature here across a full year.51°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%

Owner Tools

Do you own this home?
Claim this home

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

21 Brookside Dr 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 Somerset County
  • Costs less per square foot than 68% of homes in Gladstone 07934
  • Bigger than 90% of homes in Somerset County
  • Has a bigger lot than 88% of homes in Somerset County
  • Newer than 84% of homes in Gladstone 07934

What homes are worth in Gladstone 07934

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

This home
$564K$2.3M

This home is worth more than 79% of homes in Gladstone 07934.

How it measures up in Gladstone 07934

The dot is this home. The mark in the middle is the typical home in Gladstone 07934.

Estimated value$1,358,367
CheaperTypical $1,023,279Pricier

Pricier than 79% of homes nearby

Price per ft²$375
CheaperTypical $398Pricier

Pricier than 32% of homes nearby

Living area3,622 ft²
SmallerTypical 2,688 ft²Bigger

Bigger than 82% of homes nearby

Lot size1.37 ac
SmallerTypical 1.02 acBigger

Bigger than 70% of homes nearby

Year built1995
OlderTypical 1972Newer

Newer than 84% of homes nearby

How 21 Brookside Dr ranks against every home in each area.
MeasureThis homeGladstone 07934Somerset County
Estimated valuepricier than$1,358,36779% of homes92% of homes
Price per ft²pricier than$37532% of homes63% of homes
Living areabigger than3,622 ft²82% of homes90% of homes
Lot sizebigger than1.37 ac70% of homes88% of homes
Year builtnewer than199584% of homes79% of homes

About 21 Brookside Dr

How much is 21 Brookside Dr, Gladstone, NJ worth?

The TopHap Estimate for 21 Brookside Dr, Gladstone, NJ is $1,358,367 as of Aug 30, 2026. The likely range is $1,274,160 to $1,442,574. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Brookside Dr, Gladstone, NJ last sell?

21 Brookside Dr, Gladstone, NJ last sold on Jan 10, 1995 for $539,891, according to the county's recorded deed.

When was 21 Brookside Dr, Gladstone, NJ built?

21 Brookside Dr, Gladstone, NJ was built in 1995, making it 31 years old. The building has 2 stories.

What schools serve 21 Brookside Dr, Gladstone, NJ?

21 Brookside Dr, Gladstone, NJ is assigned to Bernardsville Middle School (middle), rated A; Marion T. Bedwell Elementary School (elementary), rated B; Bernards High School (high), rated A-. All sit in Somerset Hills Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Brookside Dr, Gladstone, NJ compare to other homes in Gladstone 07934?

Among the 453 homes in Gladstone 07934, it is worth more than 79% of them ($1,358,367 against a typical $1,023,279), its price per square foot is higher than 32% of them ($375 against a typical $398), it is bigger than 82% of them (3,622 ft² against a typical 2,688 ft²), its lot is bigger than 70% of them (1.37 ac against a typical 1.02 ac) and it is newer than 84% of them (1995 against a typical 1972). Measured against all of Somerset 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 21 Brookside Dr, Gladstone, NJ?

The 2025 property tax bill for 21 Brookside Dr, Gladstone, NJ was $19,916. The county assessed it at $1,349,100.

More homes on Brookside Dr

Closest homes

More homes in Gladstone 07934

Assigned schools

Explore the area

See this home in context

Open 21 Brookside Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map