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CondominiumResidential
$559,861$303 / 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 92How 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 $135,000 on Jan 17, 1991

4 SAPPHIRE LN

FRANKLIN PARK, NJ 08823
0
Baths
1,848 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.
1,156 ft²
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$560K
$513K low$607K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$135,000 · Jan 17, 1991

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,697 (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.$509,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$210,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$299,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$503,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$509,600

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.43
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
67
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
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.Condominium
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.0.03
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Franklin Park SchoolC+
Elementary · Grades PK–5 · 1.0 mi
M
Franklin Middle School @ Sampson G. Smith CampusC-
Middle · Grades 6–8 · 4.6 mi
H
Franklin High SchoolD+
High · Grades 9–12 · 5.8 mi

District: Franklin Township School District

Neighborhood · ZIP 08823These 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.95
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.1%
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.8,714
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,458 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,403
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,574
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

4 Sapphire Ln 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 67% of homes in Franklin Park 08823
  • Costs less per square foot than 79% of homes in Somerset County
  • Bigger than 71% of homes in Franklin Park 08823
  • Has a smaller lot than 84% of homes in Somerset County
  • Newer than 71% of homes in Somerset County

What homes are worth in Franklin Park 08823

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

This home
$200K$1.2M

This home is worth more than 67% of homes in Franklin Park 08823.

How it measures up in Franklin Park 08823

The dot is this home. The mark in the middle is the typical home in Franklin Park 08823.

Estimated value$559,861
CheaperTypical $454,100Pricier

Pricier than 67% of homes nearby

Price per ft²$303
CheaperTypical $306Pricier

Pricier than 45% of homes nearby

Living area1,848 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 71% of homes nearby

Lot size1,156 ft²
SmallerTypical 784 ft²Bigger

Bigger than 63% of homes nearby

Year built1990
OlderTypical 1990Newer

Newer than 63% of homes nearby

How 4 Sapphire Ln ranks against every home in each area.
MeasureThis homeFranklin Park 08823Somerset County
Estimated valuepricier than$559,86167% of homes36% of homes
Price per ft²pricier than$30345% of homes21% of homes
Living areabigger than1,848 ft²71% of homes47% of homes
Lot sizebigger than1,156 ft²63% of homes16% of homes
Year builtnewer than199063% of homes71% of homes

About 4 Sapphire Ln

How much is 4 Sapphire Ln, Franklin Park, NJ worth?

The TopHap Estimate for 4 Sapphire Ln, Franklin Park, NJ is $559,861 as of Sep 24, 2026. The likely range is $512,796 to $606,926. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Sapphire Ln, Franklin Park, NJ last sell?

4 Sapphire Ln, Franklin Park, NJ last sold on Jan 17, 1991 for $135,000, according to the county's recorded deed.

How big is 4 Sapphire Ln, Franklin Park, NJ?

4 Sapphire Ln, Franklin Park, NJ has 1,848 square feet of living space and a 0.03-acre lot.

When was 4 Sapphire Ln, Franklin Park, NJ built?

4 Sapphire Ln, Franklin Park, NJ was built in 1990, making it 36 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 4 Sapphire Ln, Franklin Park, NJ?

4 Sapphire Ln, Franklin Park, NJ is assigned to Franklin Park School (elementary), rated C+; Franklin Middle School @ Sampson G. Smith Campus (middle), rated C-; Franklin High School (high), rated D+. All sit in Franklin Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Sapphire Ln, Franklin Park, NJ compare to other homes in Franklin Park 08823?

Among the 3,007 homes in Franklin Park 08823, it is worth more than 67% of them ($559,861 against a typical $454,100), its price per square foot is higher than 45% of them ($303 against a typical $306), it is bigger than 71% of them (1,848 ft² against a typical 1,456 ft²), its lot is bigger than 63% of them (1,156 ft² against a typical 784 ft²) and it is newer than 63% of them (1990 against a typical 1990). Measured against all of Somerset County, it is worth more than 36% 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 4 Sapphire Ln, Franklin Park, NJ?

The 2025 property tax bill for 4 Sapphire Ln, Franklin Park, NJ was $8,697. The county assessed it at $509,600.

More homes on Sapphire Ln

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