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Single Family ResidenceResidential
$678,716$446 / 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 Aug 30, 2026

143 HART ST

CLARK, NJ 07066
0
Baths
1,521 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$679K
$653K low$704K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,254 (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.$451,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$292,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$159,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$451,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$451,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.17
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
Valley Road Elementary SchoolB-
Elementary · Grades KG–5 · 0.5 mi
H
Arthur L. Johnson High SchoolB+
High · Grades 9–12 · 1.1 mi
M
Carl H. Kumpf Middle SchoolB+
Middle · Grades 6–8 · 1.2 mi

District: Clark Township School District

Neighborhood · ZIP 07066These 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.48
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.108

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.15,791
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,665 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,996
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$150,742
Average tempThe average temperature here across a full year.53°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%

Owner Tools

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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

143 Hart St 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 less than 68% of homes in Clark 07066
  • Smaller than 67% of homes in Clark 07066
  • Newer than 70% of homes in Union County

What homes are worth in Clark 07066

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

This home
$427K$1.4M

This home is worth more than 32% of homes in Clark 07066.

How it measures up in Clark 07066

The dot is this home. The mark in the middle is the typical home in Clark 07066.

Estimated value$678,716
CheaperTypical $755,181Pricier

Pricier than 32% of homes nearby

Price per ft²$446
CheaperTypical $425Pricier

Pricier than 64% of homes nearby

Living area1,521 ft²
SmallerTypical 1,762 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.17 ac
SmallerTypical 0.19 acBigger

Bigger than 45% of homes nearby

Year built1958
OlderTypical 1958Newer

Newer than 50% of homes nearby

How 143 Hart St ranks against every home in each area.
MeasureThis homeClark 07066Union County
Estimated valuepricier than$678,71632% of homes55% of homes
Price per ft²pricier than$44664% of homes64% of homes
Living areabigger than1,521 ft²33% of homes36% of homes
Lot sizebigger than0.17 ac45% of homes62% of homes
Year builtnewer than195850% of homes70% of homes

About 143 Hart St

How much is 143 Hart St, Clark, NJ worth?

The TopHap Estimate for 143 Hart St, Clark, NJ is $678,716 as of Aug 30, 2026. The likely range is $653,441 to $703,991. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 143 Hart St, Clark, NJ last sell?

143 Hart St, Clark, NJ last sold on Nov 12, 2021, according to the county's recorded deed.

How big is 143 Hart St, Clark, NJ?

143 Hart St, Clark, NJ has 1,521 square feet of living space and a 0.17-acre lot.

When was 143 Hart St, Clark, NJ built?

143 Hart St, Clark, NJ was built in 1958, making it 68 years old. The building has 2 stories.

What schools serve 143 Hart St, Clark, NJ?

143 Hart St, Clark, NJ is assigned to Valley Road Elementary School (elementary), rated B-; Arthur L. Johnson High School (high), rated B+; Carl H. Kumpf Middle School (middle), rated B+. All sit in Clark Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 143 Hart St, Clark, NJ compare to other homes in Clark 07066?

Among the 4,895 homes in Clark 07066, it is worth more than 32% of them ($678,716 against a typical $755,181), its price per square foot is higher than 64% of them ($446 against a typical $425), it is bigger than 33% of them (1,521 ft² against a typical 1,762 ft²), its lot is bigger than 45% of them (0.17 ac against a typical 0.19 ac) and it is newer than 50% of them (1958 against a typical 1958). Measured against all of Union County, it is worth more than 55% 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 143 Hart St, Clark, NJ?

The 2025 property tax bill for 143 Hart St, Clark, NJ was $10,254. The county assessed it at $451,900.

More homes on Hart St

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Assigned schools

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