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Residential (General/Single)Residential

523 34th St

UNION CITY, NJ 07087
457 ft²
Lot SizeThe size of the land the home sits on, from county records.
1918
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 19184 floors25 units458–819 ft²
$5.5M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$188K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$393
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-20.4%vs the Union City ZIP median sale $/ft² ($493)

Sales Performance

—
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
0
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
0.0%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.7%per yeartypical hold 6.2 yrsfrom 8 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19972002200420082009201720192025
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19972002200420082009201720192025

24 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$169K$224K$279K$334K458 ft²530 ft²602 ft²675 ft²747 ft²819 ft²
1 bd2 bd
1 bed
18 units
2 bed
7 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
1 bd · 0 ba · 458 ft²
16 units
2 bd · 0 ba · 768 ft²
4 units
2 bd · 0 ba · 819 ft²
3 units
One-off layouts
2 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$169K–$190K
15 units
$206K–$206K
1 unit
$264K–$265K
2 units
$273K–$292K
3 units
$298K–$308K
3 units
$334K–$334K
1 unit

Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.

Floor 1
$404/ft²
Floor 2
$396/ft²
Floor 3
$374/ft²
Floor 4
$414/ft²
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·05
$443/ft²
Line ·03
$397/ft²
Line ·02
$396/ft²
Line ·01
$393/ft²
Line ·04
$393/ft²
Line ·06
$362/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.0%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.52%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.25.9 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.50%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.50%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$187,688
Median tax billThe middle annual property tax bill among the building's units.$3,199
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 306Sep 12, 2025$285,000Unit 201Sep 5, 2025$320,000Unit 106Jun 9, 2025$250,000Unit 401May 12, 2025$275,000Unit 404Feb 20, 2025$175,000Unit 201Jan 16, 2025$280,000Unit 101Jul 1, 2022$259,000Unit 201Mar 24, 2022$259,000Unit 106Nov 27, 2019$195,000Unit 306Feb 20, 2018$198,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

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)
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyHUDSON
Lot (acres)The size of the land the home sits on, from county records.0.01
ConstructionThe main material the home's frame and walls are built from.Brick
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Jefferson Elementary SchoolC+
Elementary · Grades PK–4 · 0.2 mi
M
Union Hill Middle SchoolB+
Middle · Grades 7–8 · 0.3 mi
H
Union City High SchoolC-
High · Grades 9–12 · 0.4 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%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

523 34th St # 1
1 bd · 588 ft²
$206K
523 34th St # 101
2 bd · 768 ft²
$308K
523 34th St # 102
1 bd · 458 ft²
$185K
523 34th St # 103
1 bd · 458 ft²
$189K
523 34th St # 104
1 bd · 458 ft²
$190K
523 34th St # 105
1 bd · 458 ft²
$185K
523 34th St # 106
1 bd · 682 ft²
$264K
523 34th St # 201
2 bd · 768 ft²
$334K
523 34th St # 202
1 bd · 458 ft²
$185K
523 34th St # 203
1 bd · 458 ft²
$181K
523 34th St # 204
1 bd · 458 ft²
$172K
523 34th St # 205
1 bd · 458 ft²
$185K
523 34th St # 206
2 bd · 819 ft²
$298K
523 34th St # 301
2 bd · 768 ft²
$274K
523 34th St # 302
1 bd · 458 ft²
$177K
523 34th St # 303
1 bd · 458 ft²
$177K
523 34th St # 304
1 bd · 458 ft²
$169K
523 34th St # 305
1 bd · 458 ft²
$177K
523 34th St # 306
2 bd · 819 ft²
$298K
523 34th St # 401
2 bd · 768 ft²
$292K
523 34th St # 402
1 bd · 458 ft²
$180K
523 34th St # 403
1 bd · 458 ft²
$180K
523 34th St # 404
1 bd · 458 ft²
$188K
523 34th St # 405
1 bd · 458 ft²
$265K
523 34th St # 406
2 bd · 819 ft²
$273K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 523 34th St

How many units are in 523 34th St, Union City, NJ?

523 34th St, Union City, NJ has 25 residential units across 4 floors, built in 1918, according to county assessor records.

What is a unit at 523 34th St, Union City, NJ worth?

The median TopHap Estimate across the 25 units at 523 34th St, Union City, NJ is $187,661. That works out to $393 per square foot. Units run from 458 to 819 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 523 34th St, Union City, NJ expensive for Union City?

Units at 523 34th St, Union City, NJ carry a median of $393 per square foot, 20% below the Union City median of $493 per square foot.

How often do units sell at 523 34th St, Union City, NJ?

0 units at 523 34th St, Union City, NJ sold in the last 12 months, out of 24 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 523 34th St, Union City, NJ appreciated?

Across 8 repeat sales of the same unit, 523 34th St, Union City, NJ returned a median 3.7% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 6.2 years.

What floor plans does 523 34th St, Union City, NJ have?

The most common plan at 523 34th St, Union City, NJ is a 1-bedroom of 458 square feet, repeated 16 times, with a median estimate of $183,036. TopHap identifies 3 recurring plans in the building.

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