28 Union Avenue Warren, NJ 07059
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Property flags
Built 1950 · ResidentialNew owner since Nov 20, 2025Recent mortgage Nov 20, 20251 owner signal on a paid plan
- Assessed
- $295,200
- Last sale
- $487,500Nov 20, 2025
- Built
- 1950
- Size
- 832 sq ft
- Status
- No open cases
Property information
- Block
- 163
- Lot
- 6
- Qualifier
- —
- County
- Somerset
- Municipality
- Warren Twp
- Tax map page
- 100
- Land description
- .23
Building details
- Building class
- 18
- Description
- 1S-F
- Dwellings
- 1
- Zoning
- EP
- Square feet
- 832
- Acreage
- 0.23 ac
Assessment
- Land value
- $190,400
- 64%
- Improvement value
- $104,800
- 36%
- Total assessment
- $295,200
- Sale assessment
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- Tax (2024)
- $5,141
Records
- Recent mortgage
- Nov 20, 2025
Owner mailing
- Street address
Property information on this site is compiled from public sources and is provided as-is; we do not guarantee its accuracy.
5 events · 1950–20265events19502026
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- 76 years
Property Built
| Year | Property tax | Change | Land | Improvement | Assessment |
|---|---|---|---|---|---|
| 2024 | $5,141 | +2.0% | $190,400 | $104,800 | $295,200 |
| 2023 | $5,039 | +1.8% | $181,800 | $97,900 | $279,700 |
| 2022 | $4,951 | +1.6% | $160,400 | $87,800 | $248,200 |
| 2021 | $4,875 | +1.6% | $153,300 | $85,200 | $238,500 |
| 2020 | $4,799 | +1.1% | $151,500 | $84,000 | $235,500 |
| 2019 | $4,749 | +4.5% | $151,500 | $84,000 | $235,500 |
| 2018 | $4,543 | +0.3% | $148,500 | $90,500 | $239,000 |
| 2017 | $4,528 | -1.2% | $135,200 | $93,300 | $228,500 |
| 2016 | $4,585 | +6.9% | $134,900 | $90,500 | $225,400 |
| 2015 | $4,290 | +3.9% | $131,000 | $92,900 | $223,900 |
| 2014 | $4,131 | +2.6% | $131,000 | $79,600 | $210,600 |
| 2013 | $4,028 | +0.3% | $128,500 | $76,300 | $204,800 |
| 2012 | $4,016 | -0.9% | $128,500 | $73,600 | $202,100 |
| 2011 | $4,051 | +6.8% | $128,500 | $71,600 | $200,100 |
| 2010 | $3,793 | +11.2% | $128,500 | $69,600 | $198,100 |
| 2009 | $3,410 | +20.1% | $128,700 | $79,600 | $208,300 |
| 2008 | $2,839 | +6.3% | $128,700 | $86,200 | $214,900 |
| 2007 | $2,669 | +6.4% | $99,500 | $87,700 | $187,200 |
| 2006 | $2,509 | +10.3% | $94,800 | $84,300 | $179,100 |
| 2005 | $2,274 | +6.6% | $86,200 | $81,000 | $167,200 |
| 2004 | $2,133 | +1.7% | $84,000 | $56,200 | $140,200 |
| 2003 | $2,098 | +4.0% | $84,000 | $56,200 | $140,200 |
| 2002 | $2,017 | +4.5% | $82,100 | $49,200 | $131,300 |
| 2001 | $1,930 | +2.9% | $79,700 | $45,700 | $125,400 |
| 2000 | $1,876 | +2.9% | $70,600 | $42,200 | $112,800 |
| 1999 | $1,824 | +3.0% | $63,600 | $41,100 | $104,700 |
| 1998 | $1,772 | -2.3% | $63,600 | $41,100 | $104,700 |
| 1997 | $1,814 | +4.4% | $63,600 | $41,100 | $104,700 |
| 1996 | $1,736 | +7.3% | $63,600 | $41,100 | $104,700 |
| 1995 | $1,618 | +2.8% | $57,600 | $41,100 | $98,700 |
| 1993 | $1,574 | +1.3% | $9,100 | $41,500 | $50,600 |
| 1992 | $1,554 | — | $9,100 | $41,500 | $50,600 |
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- Princeton & Berryhill, Warren, NJ 07059Lot 1
- Union Avenue, Warren, NJ 07059Lot 2
- Princeton & Union, Warren, NJ 07059Lot 3.01
- Princeton & Union, Warren, NJ 07059Lot 3.02
- Union Avenue, Warren, NJ 07059Lot 4
- 29 Princeton Avenue, Warren, NJ 07059Lot 5
- 135 Charles Road, Warren, NJ 07059Lot 7
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