Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,139,956$577 / 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 88How 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 $490,000 on Mar 31, 2005

23 GREENFIELD AVE

SUMMIT, NJ 07901
0
Baths
1,974 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1953
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$1.1M
$1M 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.$490,000 · Mar 31, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,859 (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.$287,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$112,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$174,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$287,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$287,600

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.0.23
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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(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
Washington Elementary SchoolA-
Elementary · Grades 1–5 · 0.3 mi
H
Summit High SchoolA+
High · Grades 9–12 · 0.7 mi
M
Lawton C. Johnson Summit Middle SchoolA-
Middle · Grades 6–8 · 1.4 mi

District: Summit City School District

Neighborhood · ZIP 07901These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.110

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.24,077
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,885 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$187,703
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$262,118
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

Owner Tools

Do you own this home?
Claim this home

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

23 Greenfield Ave 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 88% of homes in Union County
  • Costs more per square foot than 89% of homes in Union County
  • Has a bigger lot than 75% of homes in Union County

What homes are worth in Summit 07901

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

This home
$476K$4.2M

This home is worth more than 41% of homes in Summit 07901.

How it measures up in Summit 07901

The dot is this home. The mark in the middle is the typical home in Summit 07901.

Estimated value$1,139,956
CheaperTypical $1,326,614Pricier

Pricier than 41% of homes nearby

Price per ft²$577
CheaperTypical $620Pricier

Pricier than 39% of homes nearby

Living area1,974 ft²
SmallerTypical 2,285 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.23 ac
SmallerTypical 0.29 acBigger

Bigger than 37% of homes nearby

Year built1953
OlderTypical 1951Newer

Newer than 60% of homes nearby

How 23 Greenfield Ave ranks against every home in each area.
MeasureThis homeSummit 07901Union County
Estimated valuepricier than$1,139,95641% of homes88% of homes
Price per ft²pricier than$57739% of homes89% of homes
Living areabigger than1,974 ft²39% of homes60% of homes
Lot sizebigger than0.23 ac37% of homes75% of homes
Year builtnewer than195360% of homes59% of homes

About 23 Greenfield Ave

How much is 23 Greenfield Ave, Summit, NJ worth?

The TopHap Estimate for 23 Greenfield Ave, Summit, NJ is $1,139,956 as of Sep 24, 2026. The likely range is $1,001,386 to $1,278,526. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Greenfield Ave, Summit, NJ last sell?

23 Greenfield Ave, Summit, NJ last sold on Mar 31, 2005 for $490,000, according to the county's recorded deed.

How big is 23 Greenfield Ave, Summit, NJ?

23 Greenfield Ave, Summit, NJ has 1,974 square feet of living space and a 0.23-acre lot.

When was 23 Greenfield Ave, Summit, NJ built?

23 Greenfield Ave, Summit, NJ was built in 1953, making it 73 years old. The building has 1 story.

What schools serve 23 Greenfield Ave, Summit, NJ?

23 Greenfield Ave, Summit, NJ is assigned to Washington Elementary School (elementary), rated A-; Summit High School (high), rated A+; Lawton C. Johnson Summit Middle School (middle), rated A-. All sit in Summit City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 Greenfield Ave, Summit, NJ compare to other homes in Summit 07901?

Among the 6,689 homes in Summit 07901, it is worth more than 41% of them ($1,139,956 against a typical $1,326,614), its price per square foot is higher than 39% of them ($577 against a typical $620), it is bigger than 39% of them (1,974 ft² against a typical 2,285 ft²), its lot is bigger than 37% of them (0.23 ac against a typical 0.29 ac) and it is newer than 60% of them (1953 against a typical 1951). Measured against all of Union County, it is worth more than 88% 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 23 Greenfield Ave, Summit, NJ?

The 2025 property tax bill for 23 Greenfield Ave, Summit, NJ was $12,859. The county assessed it at $287,600.

More homes on Greenfield Ave

Closest homes

More homes in Summit 07901

Assigned schools

Explore the area

See this home in context

Open 23 Greenfield Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map