521 6TH ST
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Foreclosure Filings(5)
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
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.
Index scale: 100 = US average (tick). Lower is better.
Owner Tools
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
521 6th 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.
- Has a bigger lot than 79% of homes in Union City 07087
- Older than 96% 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 is worth more than 58% 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.
Pricier than 58% of homes nearby
Pricier than 53% of homes nearby
Bigger than 49% of homes nearby
Bigger than 79% of homes nearby
Newer than 5% of homes nearby
| Measure | This home | Union City 07087 | Hudson County |
|---|---|---|---|
| Estimated valuepricier than | $629,507 | 58% of homes | 47% of homes |
| Price per ft²pricier than | $420 | 53% of homes | 50% of homes |
| Living areabigger than | 1,500 ft² | 49% of homes | 50% of homes |
| Lot sizebigger than | 2,500 ft² | 79% of homes | 53% of homes |
| Year builtnewer than | 1883 | 5% of homes | 4% of homes |
About 521 6th St
How much is 521 6th St, Union City, NJ worth?
The TopHap Estimate for 521 6th St, Union City, NJ is $629,507 as of Aug 30, 2026. The likely range is $580,609 to $678,405. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 521 6th St, Union City, NJ last sell?
521 6th St, Union City, NJ last sold on Dec 30, 1992 for $79,500, according to the county's recorded deed.
How big is 521 6th St, Union City, NJ?
521 6th St, Union City, NJ has 1,500 square feet of living space and a 0.06-acre lot.
When was 521 6th St, Union City, NJ built?
521 6th St, Union City, NJ was built in 1883, making it 143 years old. The building has 2 stories.
What schools serve 521 6th St, Union City, NJ?
521 6th St, Union City, NJ is assigned to Thomas a Edison Elementary School (elementary), rated B-; Sara M. Gilmore Academy (middle), rated A; Union City High School (high), rated C-. All sit in Union City School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 521 6th 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 58% of them ($629,507 against a typical $580,140), its price per square foot is higher than 53% of them ($420 against a typical $410), it is bigger than 49% of them (1,500 ft² against a typical 1,541 ft²), its lot is bigger than 79% of them (2,500 ft² against a typical 2,134 ft²) and it is newer than 5% of them (1883 against a typical 1913). 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 521 6th St, Union City, NJ?
The 2025 property tax bill for 521 6th St, Union City, NJ was $10,661. The county assessed it at $597,800.
More homes on 6th St
- 302 6th St # 2$1.3M3 bd · 4 ba · 3,105 ft² · Sold $1.3M · May 2026
- 414 6th St$852K2,194 ft² · Sold $923K · May 2026
- 415 6th St2,884 ft² · Sold $665K · Mar 2026
- 517 6th St # 19$820K2,046 ft² · Sold $600K · Jan 2026
- 314 6th St$1.3M2,700 ft² · Sold $1.3M · Jan 2026
- 810 6th St$1.4M2,483 ft² · Sold $1.4M · Jan 2026
- 318 6th St1,440 ft² · Sold $904K · May 2025
- 411 6th St # 202$645K2 bd · 2 ba · 1,145 ft² · Sold $595K · Apr 2025
- 507 6th St$590K816 ft² · Sold $515K · Jun 2024
- 527 6th St$459K1,216 ft² · Sold $435K · Mar 2024
- 721 6th St # 4$300K2 bd · 769 ft² · Sold $182K · Feb 2024
- 721 6th St # 1$316K2 bd · 861 ft² · Sold $182K · Feb 2024
Closest homes
- 523 6th St$566K22 ft · 1,478 ft² · Sold Jan 1900
- 517 6th St$820K29 ft · 2,046 ft² · Sold $600K · Jan 2026
- 525 6th St$471K41 ft · 1,216 ft² · Sold $90K · Jun 1991
- 515 6th St$391K53 ft · 793 ft² · Sold $167K · Feb 2005
- 527 6th St$459K59 ft · 1,216 ft² · Sold $435K · Mar 2024
- 511 6th St$655K73 ft · 1,647 ft² · Sold $531K · Nov 2021
- 514 5th St$861K103 ft · 2,600 ft² · Sold Jan 1900
- 516 5th St100 ft · 1,788 ft² · Sold $235K · Jul 2016
More homes in Union City 07087
- 413 21st St2,888 ft² · Sold $1.2M · Aug 2026
- 133 33rd St1 bd · 581 ft² · Sold $225K · Aug 2026
- 500 Central Ave$450K2 bd · 1 ba · 1,089 ft² · Sold $450K · Aug 2026
- 2507 Central Ave$527K1,234 ft² · Sold $575K · Aug 2026
- 150 37th St$271K1 bd · 655 ft² · Sold $250K · Aug 2026
- 305 Manhattan Ave$1.4M3 bd · 2,352 ft² · Sold $1.5M · Aug 2026
- 122 18th St$800K1,808 ft² · Sold $800K · Aug 2026
- 514 42nd St$876K2,196 ft² · Sold $875K · Aug 2026
- 1614 Summit Ave3 bd · 826 ft² · Sold $275K · Jul 2026
- 413 4th St$566K1,140 ft² · Sold $560K · Jul 2026
- 1608 Summit Ave$638K2,268 ft² · Sold $620K · Jul 2026
- 1815 Kerrigan Ave2,500 ft² · Sold $800K · Jul 2026
Assigned schools
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