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Single Family ResidenceResidential
$823,443$264 / 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 96How 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 $486,000 on Aug 16, 2018

51 RADCLIFFE DR

SPARTA, NJ 07871
0
Baths
3,120 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.
2.15 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$823K
$791K low$856K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$486,000 · Aug 16, 2018
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.$434,643
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$347,714
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.46%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$388,800
UNITED WHOLESALE MTG · recorded Aug 16, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,655 (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.$426,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$165,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$261,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$426,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$426,800

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.47
19
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
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.
40
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.2 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.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.Cape Cod
CountySUSSEX
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(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.

H
Sparta High SchoolB
High · Grades 9–12 · 0.4 mi
M
Sparta Middle SchoolB-
Middle · Grades 6–8 · 1.1 mi
E
Sparta Alpine School
Elementary · Grades PK–2 · 3.3 mi

District: Sparta Township School District

Neighborhood · ZIP 07871These 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.17
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.96

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.21,461
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.530 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$163,529
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$191,626
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
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

51 Radcliffe 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 94% of homes in Sussex County
  • Costs less per square foot than 77% of homes in Sparta 07871
  • Bigger than 93% of homes in Sussex County
  • Has a bigger lot than 88% of homes in Sparta 07871
  • Newer than 89% of homes in Sussex County

What homes are worth in Sparta 07871

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

This home
$142K$1.7M

This home is worth more than 72% of homes in Sparta 07871.

How it measures up in Sparta 07871

The dot is this home. The mark in the middle is the typical home in Sparta 07871.

Estimated value$823,443
CheaperTypical $632,022Pricier

Pricier than 72% of homes nearby

Price per ft²$264
CheaperTypical $309Pricier

Pricier than 23% of homes nearby

Living area3,120 ft²
SmallerTypical 2,080 ft²Bigger

Bigger than 80% of homes nearby

Lot size2.15 ac
SmallerTypical 0.48 acBigger

Bigger than 88% of homes nearby

Year built2000
OlderTypical 1973Newer

Newer than 87% of homes nearby

How 51 Radcliffe Dr ranks against every home in each area.
MeasureThis homeSparta 07871Sussex County
Estimated valuepricier than$823,44372% of homes94% of homes
Price per ft²pricier than$26423% of homes40% of homes
Living areabigger than3,120 ft²80% of homes93% of homes
Lot sizebigger than2.15 ac88% of homes88% of homes
Year builtnewer than200087% of homes89% of homes

About 51 Radcliffe Dr

How much is 51 Radcliffe Dr, Sparta, NJ worth?

The TopHap Estimate for 51 Radcliffe Dr, Sparta, NJ is $823,443 as of Jul 14, 2026. The likely range is $791,072 to $855,814. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 Radcliffe Dr, Sparta, NJ last sell?

51 Radcliffe Dr, Sparta, NJ last sold on Aug 16, 2018 for $486,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

When was 51 Radcliffe Dr, Sparta, NJ built?

51 Radcliffe Dr, Sparta, NJ was built in 2000, making it 26 years old. It is a cape cod home. The building has 2 stories.

What schools serve 51 Radcliffe Dr, Sparta, NJ?

51 Radcliffe Dr, Sparta, NJ is assigned to Sparta High School (high), rated B; Sparta Middle School (middle), rated B-; Sparta Alpine School (elementary). All sit in Sparta Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 51 Radcliffe Dr, Sparta, NJ compare to other homes in Sparta 07871?

Among the 8,328 homes in Sparta 07871, it is worth more than 72% of them ($823,443 against a typical $632,022), its price per square foot is higher than 23% of them ($264 against a typical $309), it is bigger than 80% of them (3,120 ft² against a typical 2,080 ft²), its lot is bigger than 88% of them (2.15 ac against a typical 0.48 ac) and it is newer than 87% of them (2000 against a typical 1973). Measured against all of Sussex County, it is worth more than 94% 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 51 Radcliffe Dr, Sparta, NJ?

The 2025 property tax bill for 51 Radcliffe Dr, Sparta, NJ was $15,655. The county assessed it at $426,800.

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