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Single Family ResidenceResidential
$683,706$491 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

21 BROOKSIDE AVE

BASKING RIDGE, NJ 07920
0
Baths
1,393 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$684K
$646K low$721K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,726 (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.$601,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$313,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$287,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$565,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$601,200

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.52
36
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
16
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.
98
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.1 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
Lot (acres)The size of the land the home sits on, from county records.0.17
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.

H
Bernards High SchoolA-
High · Grades 9–12 · 0.6 mi
E
Marion T. Bedwell Elementary SchoolB
Elementary · Grades PK–4 · 1.2 mi
M
Bernardsville Middle SchoolA
Middle · Grades 5–8 · 1.3 mi

District: Somerset Hills Regional School District

Neighborhood · ZIP 07920These 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.20
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.102

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.6%
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.28,676
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,109 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$170,540
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$228,687
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%

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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

21 Brookside 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 less than 70% of homes in Basking Ridge 07920
  • Costs more per square foot than 95% of homes in Somerset County
  • Smaller than 77% of homes in Basking Ridge 07920
  • Older than 97% of homes in Basking Ridge 07920

What homes are worth in Basking Ridge 07920

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

This home
$251K$2.4M

This home is worth more than 30% of homes in Basking Ridge 07920.

How it measures up in Basking Ridge 07920

The dot is this home. The mark in the middle is the typical home in Basking Ridge 07920.

Estimated value$683,706
CheaperTypical $953,775Pricier

Pricier than 30% of homes nearby

Price per ft²$491
CheaperTypical $424Pricier

Pricier than 82% of homes nearby

Living area1,393 ft²
SmallerTypical 2,146 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.17 ac
SmallerTypical 0.33 acBigger

Bigger than 40% of homes nearby

Year built1920
OlderTypical 1986Newer

Newer than 3% of homes nearby

How 21 Brookside Ave ranks against every home in each area.
MeasureThis homeBasking Ridge 07920Somerset County
Estimated valuepricier than$683,70630% of homes52% of homes
Price per ft²pricier than$49182% of homes95% of homes
Living areabigger than1,393 ft²23% of homes25% of homes
Lot sizebigger than0.17 ac40% of homes37% of homes
Year builtnewer than19203% of homes6% of homes

About 21 Brookside Ave

How much is 21 Brookside Ave, Basking Ridge, NJ worth?

The TopHap Estimate for 21 Brookside Ave, Basking Ridge, NJ is $683,706 as of Jul 14, 2026. The likely range is $646,268 to $721,144. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Brookside Ave, Basking Ridge, NJ last sell?

21 Brookside Ave, Basking Ridge, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Brookside Ave, Basking Ridge, NJ?

21 Brookside Ave, Basking Ridge, NJ has 1,393 square feet of living space and a 0.17-acre lot.

When was 21 Brookside Ave, Basking Ridge, NJ built?

21 Brookside Ave, Basking Ridge, NJ was built in 1920, making it 106 years old. The building has 1 story.

What schools serve 21 Brookside Ave, Basking Ridge, NJ?

21 Brookside Ave, Basking Ridge, NJ is assigned to Bernards High School (high), rated A-; Marion T. Bedwell Elementary School (elementary), rated B; Bernardsville Middle School (middle), 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 Ave, Basking Ridge, NJ compare to other homes in Basking Ridge 07920?

Among the 9,639 homes in Basking Ridge 07920, it is worth more than 30% of them ($683,706 against a typical $953,775), its price per square foot is higher than 82% of them ($491 against a typical $424), it is bigger than 23% of them (1,393 ft² against a typical 2,146 ft²), its lot is bigger than 40% of them (0.17 ac against a typical 0.33 ac) and it is newer than 3% of them (1920 against a typical 1986). Measured against all of Somerset County, it is worth more than 52% 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 Ave, Basking Ridge, NJ?

The 2025 property tax bill for 21 Brookside Ave, Basking Ridge, NJ was $10,726. The county assessed it at $601,200.

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