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Single Family ResidenceResidential
$1,230,692$273 / 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 Jul 14, 2026
Last sold for $985,000 on Oct 23, 2003

21 ROUNDTOP RD

TEWKSBURY, NJ
0
Baths
4,512 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.
2.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.2M
$1.2M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$985,000 · Oct 23, 2003
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$1,230,692
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$984,554

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,847 (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.$827,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$230,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$597,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$827,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$827,600

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.13
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
23
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. 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
CountyHUNTERDON
ConstructionThe main material the home's frame and walls are built from.Brick
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

Foreclosure Filings(2)

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

M
Old Turnpike SchoolB+
Middle · Grades PK–8 · 2.2 mi
E
Tewksbury Elementary SchoolB+
Elementary · Grades KG–4 · 3.5 mi
H
Voorhees High SchoolB
High · Grades 9–12 · 6.0 mi

District: Tewksbury Township School District

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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 Roundtop 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 97% of homes in Hunterdon County
  • Costs less per square foot than 65% of homes in Hunterdon County
  • Bigger than 97% of homes in Hunterdon County
  • Has a bigger lot than 76% of homes in Hunterdon County
  • Newer than 67% of homes in Hunterdon County

How it measures up in Hunterdon County

The dot is this home. The mark in the middle is the typical home in Hunterdon County.

Estimated value$1,230,692
CheaperTypical $613,795Pricier

Pricier than 97% of homes nearby

Price per ft²$273
CheaperTypical $291Pricier

Pricier than 35% of homes nearby

Living area4,512 ft²
SmallerTypical 2,076 ft²Bigger

Bigger than 97% of homes nearby

Lot size2.27 ac
SmallerTypical 1.06 acBigger

Bigger than 76% of homes nearby

Year built1987
OlderTypical 1980Newer

Newer than 67% of homes nearby

How 21 Roundtop Rd ranks against every home in each area.
MeasureThis homeHunterdon County
Estimated valuepricier than$1,230,69297% of homes
Price per ft²pricier than$27335% of homes
Living areabigger than4,512 ft²97% of homes
Lot sizebigger than2.27 ac76% of homes
Year builtnewer than198767% of homes

About 21 Roundtop Rd

How much is 21 Roundtop Rd, Tewksbury, NJ worth?

The TopHap Estimate for 21 Roundtop Rd, Tewksbury, NJ is $1,230,692 as of Jul 14, 2026. The likely range is $1,154,773 to $1,306,611. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Roundtop Rd, Tewksbury, NJ last sell?

21 Roundtop Rd, Tewksbury, NJ last sold on Oct 23, 2003 for $985,000, according to the county's recorded deed.

When was 21 Roundtop Rd, Tewksbury, NJ built?

21 Roundtop Rd, Tewksbury, NJ was built in 1987, making it 39 years old. The building has 2 stories.

What schools serve 21 Roundtop Rd, Tewksbury, NJ?

21 Roundtop Rd, Tewksbury, NJ is assigned to Old Turnpike School (middle), rated B+; Tewksbury Elementary School (elementary), rated B+; Voorhees High School (high), rated B. All sit in Tewksbury Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Roundtop Rd, Tewksbury, NJ compare to other homes in Hunterdon County?

Among the 43,102 homes in Hunterdon County, it is worth more than 97% of them ($1,230,692 against a typical $613,795), its price per square foot is higher than 35% of them ($273 against a typical $291), it is bigger than 97% of them (4,512 ft² against a typical 2,076 ft²), its lot is bigger than 76% of them (2.27 ac against a typical 1.06 ac) and it is newer than 67% of them (1987 against a typical 1980). 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 Roundtop Rd, Tewksbury, NJ?

The 2025 property tax bill for 21 Roundtop Rd, Tewksbury, NJ was $20,847. The county assessed it at $827,600.

Closest homes

Assigned schools

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