21 Union Ave Madison, NJ 07940
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Property flags
Built 1950 · Residential2 owner signals on a paid plan
- Assessed
- $450,700
- Last sale
- $10May 1, 2025
- Built
- 1950
- Size
- 1,692 sq ft
- Status
- No open cases
Property information
- Block
- 5101
- Lot
- 1
- Qualifier
- —
- County
- Morris
- Municipality
- Madison Boro
- Tax map page
- —
- Land description
- 63X100
Building details
- Building class
- 18
- Description
- 2SF
- Dwellings
- 1
- Zoning
- R-3
- Square feet
- 1,692
- Acreage
- 0.14 ac
Assessment
- Land value
- $235,000
- 52%
- Improvement value
- $215,700
- 48%
- Total assessment
- $450,700
- Sale assessment
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- Tax (2024)
- $9,600
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.
3 events · 1950–20253events19502025
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Property Built
County clerks also index recorded documents by address and by the names on them. Search Morris County records
| Year | Property tax | Change | Land | Improvement | Assessment |
|---|---|---|---|---|---|
| 2024 | $9,600 | +3.4% | $235,000 | $215,700 | $450,700 |
| 2023 | $9,280 | +1.6% | $235,000 | $215,700 | $450,700 |
| 2022 | $9,131 | +1.0% | $235,000 | $215,700 | $450,700 |
| 2021 | $9,037 | +1.6% | $235,000 | $215,700 | $450,700 |
| 2020 | $8,892 | +2.6% | $235,000 | $215,700 | $450,700 |
| 2019 | $8,667 | +0.8% | $235,000 | $215,700 | $450,700 |
| 2018 | $8,599 | +1.8% | $235,000 | $215,700 | $450,700 |
| 2017 | $8,451 | +1.9% | $235,000 | $215,700 | $450,700 |
| 2016 | $8,293 | +3.5% | $235,000 | $215,700 | $450,700 |
| 2015 | $8,013 | +1.4% | $235,000 | $215,700 | $450,700 |
| 2014 | $7,905 | +5.1% | $235,000 | $215,700 | $450,700 |
| 2013 | $7,520 | +2.6% | $235,000 | $215,700 | $450,700 |
| 2012 | $7,331 | +2.7% | $130,400 | $140,200 | $270,600 |
| 2011 | $7,141 | +4.2% | $130,400 | $140,200 | $270,600 |
| 2010 | $6,854 | +2.2% | $130,400 | $140,200 | $270,600 |
| 2009 | $6,705 | +5.4% | $130,400 | $140,200 | $270,600 |
| 2008 | $6,359 | +6.8% | $130,400 | $140,200 | $270,600 |
| 2007 | $5,953 | +6.8% | $130,400 | $140,200 | $270,600 |
| 2006 | $5,574 | +3.5% | $130,400 | $140,200 | $270,600 |
| 2005 | $5,385 | +3.6% | $130,400 | $140,200 | $270,600 |
| 2004 | $5,196 | +1.6% | $130,400 | $140,200 | $270,600 |
| 2003 | $5,114 | +5.0% | $130,400 | $140,200 | $270,600 |
| 2002 | $4,871 | +5.9% | $130,400 | $140,200 | $270,600 |
| 2001 | $4,600 | +2.6% | $130,400 | $140,200 | $270,600 |
| 2000 | $4,485 | +5.5% | $130,400 | $140,200 | $270,600 |
| 1999 | $4,250 | +5.2% | $48,000 | $69,400 | $117,400 |
| 1998 | $4,039 | +4.2% | $48,000 | $69,400 | $117,400 |
| 1997 | $3,874 | +1.9% | $48,000 | $69,400 | $117,400 |
| 1996 | $3,804 | +2.9% | $48,000 | $69,400 | $117,400 |
| 1995 | $3,698 | +0.3% | $48,000 | $69,400 | $117,400 |
| 1994 | $3,686 | +3.3% | $48,000 | $69,400 | $117,400 |
| 1993 | $3,569 | +4.5% | $48,000 | $69,400 | $117,400 |
| 1992 | $3,416 | +6.2% | $48,000 | $69,400 | $117,400 |
| 1991 | $3,217 | +11.4% | $48,000 | $69,400 | $117,400 |
| 1990 | $2,888 | +7.0% | $48,000 | $69,400 | $117,400 |
| 1989 | $2,700 | — | $48,000 | $69,400 | $117,400 |
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Sign in to see sale prices and dates
- 262 Kings Rd, Madison, NJ 07940Lot 3
- 260 Kings Rd, Madison, NJ 07940Lot 4
- 258 Kings Rd, Madison, NJ 07940Lot 5
- 256 Kings Rd, Madison, NJ 07940Lot 6
- 254 Kings Rd, Madison, NJ 07940Lot 7
- 252 Kings Rd, Madison, NJ 07940Lot 8
- 250 Kings Rd, Madison, NJ 07940Lot 9
- 248 Kings Rd, Madison, NJ 07940Lot 10
- 246 Kings Rd, Madison, NJ 07940Lot 11
- 242 Kings Rd, Madison, NJ 07940Lot 12
- 240 Kings Rd, Madison, NJ 07940Lot 13
- 238 Kings Rd, Madison, NJ 07940Lot 14
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