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Residential (General/Single)Residential
$636,741$305 / 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 93How 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 $146,000 on Aug 5, 1999

700 21ST ST

UNION CITY, NJ 07087
0
Baths
2,088 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.
2,300 ft²
Lot SizeThe size of the land the home sits on, from county records.
1915
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$637K
$594K low$679K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$146,000 · Aug 5, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,204 (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.$623,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$292,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$331,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$606,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$623,800

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.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
69
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
70
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyHUDSON
Lot (acres)The size of the land the home sits on, from county records.0.05
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Yes
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
Union City High SchoolC-
High · Grades 9–12 · 0.3 mi
E
Sara M. Gilmore AcademyA
Elementary · Grades 1–8 · 0.3 mi

District: Union City School District

Neighborhood · ZIP 07087These 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.108
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.111

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.23%
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.68,460
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.53,613 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$51,681
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,242
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

700 21st 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.

  • Costs less per square foot than 87% of homes in Union City 07087
  • Bigger than 71% of homes in Hudson County
  • Has a smaller lot than 67% of homes in Hudson County
  • Older than 68% of homes in Hudson County

What homes are worth in Union City 07087

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

This home
$184K$1.2M

This home is worth more than 56% of homes in Union City 07087.

How it measures up in Union City 07087

The dot is this home. The mark in the middle is the typical home in Union City 07087.

Estimated value$636,741
CheaperTypical $596,624Pricier

Pricier than 56% of homes nearby

Price per ft²$305
CheaperTypical $417Pricier

Pricier than 13% of homes nearby

Living area2,088 ft²
SmallerTypical 1,540 ft²Bigger

Bigger than 69% of homes nearby

Lot size2,300 ft²
SmallerTypical 2,134 ft²Bigger

Bigger than 53% of homes nearby

Year built1915
OlderTypical 1918Newer

Newer than 50% of homes nearby

How 700 21st St ranks against every home in each area.
MeasureThis homeUnion City 07087Hudson County
Estimated valuepricier than$636,74156% of homes47% of homes
Price per ft²pricier than$30513% of homes16% of homes
Living areabigger than2,088 ft²69% of homes71% of homes
Lot sizebigger than2,300 ft²53% of homes33% of homes
Year builtnewer than191550% of homes32% of homes

About 700 21st St

How much is 700 21st St, Union City, NJ worth?

The TopHap Estimate for 700 21st St, Union City, NJ is $636,741 as of Sep 24, 2026. The likely range is $594,292 to $679,190. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 700 21st St, Union City, NJ last sell?

700 21st St, Union City, NJ last sold on Aug 5, 1999 for $146,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 700 21st St, Union City, NJ?

700 21st St, Union City, NJ has 2,088 square feet of living space and a 0.05-acre lot.

When was 700 21st St, Union City, NJ built?

700 21st St, Union City, NJ was built in 1915, making it 111 years old. The building has 2 stories.

What schools serve 700 21st St, Union City, NJ?

700 21st St, Union City, NJ is assigned to Union City High School (high), rated C-; Sara M. Gilmore Academy (elementary), rated A. All sit in Union City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 700 21st St, Union City, NJ compare to other homes in Union City 07087?

Among the 7,767 homes in Union City 07087, it is worth more than 56% of them ($636,741 against a typical $596,624), its price per square foot is higher than 13% of them ($305 against a typical $417), it is bigger than 69% of them (2,088 ft² against a typical 1,540 ft²), its lot is bigger than 53% of them (2,300 ft² against a typical 2,134 ft²) and it is newer than 50% of them (1915 against a typical 1918). Measured against all of Hudson County, it is worth more than 47% 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 700 21st St, Union City, NJ?

The 2025 property tax bill for 700 21st St, Union City, NJ was $11,204. The county assessed it at $623,800.

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