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Single Family ResidenceResidential
$787,236$325 / 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 91How 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 $495,910 on Nov 25, 2020

21 PROSPER PL

SPARTA, NJ 07871
0
Baths
2,424 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
2021
Year BuiltThe year the home was originally built, according to county records.

Valuation

$787K
$718K low$857K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$495,910 · Nov 25, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,431 (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.$420,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$147,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$273,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$420,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$420,700

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySUSSEX
Lot (acres)The size of the land the home sits on, from county records.0.15
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.

E
Frankford Township SchoolB
Elementary · Grades PK–8 · 2.5 mi
H
High Point Regional High SchoolB
High · Grades 9–12 · 4.8 mi

District: High Point Regional 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%

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 Prosper Pl 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 93% of homes in Sussex County
  • Costs more per square foot than 70% of homes in Sussex County
  • Bigger than 82% of homes in Sussex County
  • Has a smaller lot than 89% of homes in Sparta 07871
  • Among the newest 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
$148K$1.7M

This home is worth more than 70% 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$787,236
CheaperTypical $627,769Pricier

Pricier than 70% of homes nearby

Price per ft²$325
CheaperTypical $308Pricier

Pricier than 58% of homes nearby

Living area2,424 ft²
SmallerTypical 2,090 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.15 ac
SmallerTypical 0.48 acBigger

Bigger than 11% of homes nearby

Year built2021
OlderTypical 1973Newer

Newer than almost all homes nearby

How 21 Prosper Pl ranks against every home in each area.
MeasureThis homeSparta 07871Sussex County
Estimated valuepricier than$787,23670% of homes93% of homes
Price per ft²pricier than$32558% of homes70% of homes
Living areabigger than2,424 ft²64% of homes82% of homes
Lot sizebigger than0.15 ac11% of homes20% of homes
Year builtnewer than2021almost all homesalmost all homes

About 21 Prosper Pl

How much is 21 Prosper Pl, Sparta, NJ worth?

The TopHap Estimate for 21 Prosper Pl, Sparta, NJ is $787,236 as of Jul 14, 2026. The likely range is $717,539 to $856,933. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Prosper Pl, Sparta, NJ last sell?

21 Prosper Pl, Sparta, NJ last sold on Nov 25, 2020 for $495,910, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Prosper Pl, Sparta, NJ?

21 Prosper Pl, Sparta, NJ has 2,424 square feet of living space and a 0.15-acre lot.

When was 21 Prosper Pl, Sparta, NJ built?

21 Prosper Pl, Sparta, NJ was built in 2021, making it 5 years old.

What schools serve 21 Prosper Pl, Sparta, NJ?

21 Prosper Pl, Sparta, NJ is assigned to Frankford Township School (elementary), rated B; High Point Regional High School (high), rated B. All sit in High Point Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Prosper Pl, Sparta, NJ compare to other homes in Sparta 07871?

Among the 8,328 homes in Sparta 07871, it is worth more than 70% of them ($787,236 against a typical $627,769), its price per square foot is higher than 58% of them ($325 against a typical $308), it is bigger than 64% of them (2,424 ft² against a typical 2,090 ft²), its lot is bigger than 11% of them (0.15 ac against a typical 0.48 ac) and it is newer than almost all of them (2021 against a typical 1973). Measured against all of Sussex County, it is worth more than 93% 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 Prosper Pl, Sparta, NJ?

The 2025 property tax bill for 21 Prosper Pl, Sparta, NJ was $15,431. The county assessed it at $420,700.

More homes on Prosper Pl

Closest homes

More homes in Sparta 07871

Assigned schools

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