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Single Family ResidenceResidential
$408,818$409 / 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 Sep 24, 2026
Last sold for $380,000 on May 6, 2024

21 COMMONWEALTH DR

BASKING RIDGE, NJ 07920
0
Baths
1,000 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.
441 ft²
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.

Valuation

$409K
$383K low$434K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$380,000 · May 6, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,220 (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.$383,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$140,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$243,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$368,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$383,500

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.46
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
21
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
68
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.
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
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountySOMERSET
Lot (acres)The size of the land the home sits on, from county records.0.01
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
William Annin Middle SchoolA
Middle · Grades 6–8 · 2.2 mi
E
Cedar Hill Elementary SchoolA
Elementary · Grades KG–5 · 2.3 mi
H
Ridge High SchoolB+
High · Grades 9–12 · 2.4 mi

District: Bernards Township 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 Commonwealth 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 less than 90% of homes in Basking Ridge 07920
  • Costs more per square foot than 78% of homes in Somerset County
  • Smaller than 93% of homes in Somerset County
  • Has a smaller lot than 96% of homes in Somerset County

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
$246K$2.4M

This home is worth more than 10% 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$408,818
CheaperTypical $912,128Pricier

Pricier than 10% of homes nearby

Price per ft²$409
CheaperTypical $419Pricier

Pricier than 43% of homes nearby

Living area1,000 ft²
SmallerTypical 2,136 ft²Bigger

Bigger than 9% of homes nearby

Lot size441 ft²
SmallerTypical 0.32 acBigger

Bigger than 6% of homes nearby

Year built1985
OlderTypical 1986Newer

Newer than 41% of homes nearby

How 21 Commonwealth Dr ranks against every home in each area.
MeasureThis homeBasking Ridge 07920Somerset County
Estimated valuepricier than$408,81810% of homes11% of homes
Price per ft²pricier than$40943% of homes78% of homes
Living areabigger than1,000 ft²9% of homes7% of homes
Lot sizebigger than441 ft²6% of homes4% of homes
Year builtnewer than198541% of homes56% of homes

About 21 Commonwealth Dr

How much is 21 Commonwealth Dr, Basking Ridge, NJ worth?

The TopHap Estimate for 21 Commonwealth Dr, Basking Ridge, NJ is $408,818 as of Sep 24, 2026. The likely range is $383,495 to $434,141. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Commonwealth Dr, Basking Ridge, NJ last sell?

21 Commonwealth Dr, Basking Ridge, NJ last sold on May 6, 2024 for $380,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 Commonwealth Dr, Basking Ridge, NJ?

21 Commonwealth Dr, Basking Ridge, NJ has 1,000 square feet of living space and a 0.01-acre lot.

When was 21 Commonwealth Dr, Basking Ridge, NJ built?

21 Commonwealth Dr, Basking Ridge, NJ was built in 1985, making it 41 years old. It is a condo/apartment home.

What schools serve 21 Commonwealth Dr, Basking Ridge, NJ?

21 Commonwealth Dr, Basking Ridge, NJ is assigned to William Annin Middle School (middle), rated A; Cedar Hill Elementary School (elementary), rated A; Ridge High School (high), rated B+. All sit in Bernards Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Commonwealth Dr, 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 10% of them ($408,818 against a typical $912,128), its price per square foot is higher than 43% of them ($409 against a typical $419), it is bigger than 9% of them (1,000 ft² against a typical 2,136 ft²), its lot is bigger than 6% of them (441 ft² against a typical 0.32 ac) and it is newer than 41% of them (1985 against a typical 1986). Measured against all of Somerset County, it is worth more than 11% 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 Commonwealth Dr, Basking Ridge, NJ?

The 2025 property tax bill for 21 Commonwealth Dr, Basking Ridge, NJ was $6,220. The county assessed it at $383,500.

More homes on Commonwealth Dr

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