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Single Family ResidenceResidential
$1,182,237$539 / 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 Aug 30, 2026
Last sold for $755,000 on Jul 28, 2014

21 KNOLLCROFT RD

BASKING RIDGE, NJ 07920
0
Baths
2,192 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 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.2M
$1.1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$755,000 · Jul 28, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,889 (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.$1,039,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$440,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$599,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$941,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,039,800

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.49
21
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.3 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%
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.Colonial
CountySOMERSET
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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
William Annin Middle SchoolA
Middle · Grades 6–8 · 0.5 mi
H
Ridge High SchoolB+
High · Grades 9–12 · 1.3 mi
E
Liberty Corner Elementary SchoolA
Elementary · Grades PK–5 · 1.5 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 Knollcroft Rd 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 Somerset County
  • Costs more per square foot than 98% of homes in Somerset County
  • Has a bigger lot than 82% of homes in Basking Ridge 07920
  • Older than 74% 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
$249K$2.5M

This home is worth more than 67% 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$1,182,237
CheaperTypical $919,277Pricier

Pricier than 67% of homes nearby

Price per ft²$539
CheaperTypical $421Pricier

Pricier than 93% of homes nearby

Living area2,192 ft²
SmallerTypical 2,158 ft²Bigger

Bigger than 51% of homes nearby

Lot size1 ac
SmallerTypical 0.34 acBigger

Bigger than 82% of homes nearby

Year built1966
OlderTypical 1986Newer

Newer than 26% of homes nearby

How 21 Knollcroft Rd ranks against every home in each area.
MeasureThis homeBasking Ridge 07920Somerset County
Estimated valuepricier than$1,182,23767% of homes87% of homes
Price per ft²pricier than$53993% of homes98% of homes
Living areabigger than2,192 ft²51% of homes60% of homes
Lot sizebigger than1 ac82% of homes80% of homes
Year builtnewer than196626% of homes37% of homes

About 21 Knollcroft Rd

How much is 21 Knollcroft Rd, Basking Ridge, NJ worth?

The TopHap Estimate for 21 Knollcroft Rd, Basking Ridge, NJ is $1,182,237 as of Aug 30, 2026. The likely range is $1,120,828 to $1,243,646. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Knollcroft Rd, Basking Ridge, NJ last sell?

21 Knollcroft Rd, Basking Ridge, NJ last sold on Jul 28, 2014 for $755,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

When was 21 Knollcroft Rd, Basking Ridge, NJ built?

21 Knollcroft Rd, Basking Ridge, NJ was built in 1966, making it 60 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 Knollcroft Rd, Basking Ridge, NJ?

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

How does 21 Knollcroft Rd, 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 67% of them ($1,182,237 against a typical $919,277), its price per square foot is higher than 93% of them ($539 against a typical $421), it is bigger than 51% of them (2,192 ft² against a typical 2,158 ft²), its lot is bigger than 82% of them (1 ac against a typical 0.34 ac) and it is newer than 26% of them (1966 against a typical 1986). Measured against all of Somerset 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 21 Knollcroft Rd, Basking Ridge, NJ?

The 2025 property tax bill for 21 Knollcroft Rd, Basking Ridge, NJ was $15,889. The county assessed it at $1,039,800.

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