251 Mountainside Rd Mendham, NJ 07945
Actions
Property flags
- Assessed
- $2,121,800
- Last sale
- $1May 27, 2026
- Built
- 1906
- Size
- 9,372 sq ft
- Status
- No open cases
Property information
- Block
- 116
- Lot
- 50
- Qualifier
- —
- County
- Morris
- Municipality
- Mendham Twp
- Tax map page
- —
- Land description
- 4.304 AC
Building details
- Building class
- 19
- Description
- S3 S
- Dwellings
- 1
- Zoning
- R-3
- Square feet
- 9,372
- Acreage
- 4.3 ac
Assessment
- Land value
- $444,200
- 21%
- Improvement value
- $1,677,600
- 79%
- Total assessment
- $2,121,800
- Sale assessment
- Sign in to see
- Tax (2024)
- $34,919
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.
2 events · 1906–20262events19062026
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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 | $34,919 | +0.9% | $444,200 | $1,677,600 | $2,121,800 |
| 2023 | $34,592 | -2.3% | $390,500 | $1,407,600 | $1,798,100 |
| 2022 | $35,408 | -19.7% | $322,600 | $1,284,800 | $1,607,400 |
| 2021 | $44,110 | +1.9% | $460,900 | $1,139,100 | $1,600,000 |
| 2020 | $43,287 | +1.9% | $460,900 | $1,545,000 | $2,005,900 |
| 2019 | $42,465 | +2.4% | $460,900 | $1,545,000 | $2,005,900 |
| 2018 | $41,482 | +0.1% | $460,900 | $1,545,000 | $2,005,900 |
| 2017 | $41,422 | +1.9% | $460,900 | $1,545,000 | $2,005,900 |
| 2016 | $40,660 | +2.3% | $460,900 | $1,545,000 | $2,005,900 |
| 2015 | $39,737 | +2.2% | $460,900 | $1,545,000 | $2,005,900 |
| 2014 | $38,874 | +1.0% | $460,900 | $1,545,000 | $2,005,900 |
| 2013 | $38,473 | +0.9% | $460,900 | $1,545,000 | $2,005,900 |
| 2012 | $38,132 | +0.7% | $460,900 | $1,545,000 | $2,005,900 |
| 2011 | $37,851 | -3.1% | $460,900 | $1,545,000 | $2,005,900 |
| 2010 | $39,072 | +4.8% | $460,900 | $1,545,000 | $2,005,900 |
| 2009 | $37,296 | +1.6% | $515,200 | $1,884,800 | $2,400,000 |
| 2008 | $36,720 | +3.4% | $515,200 | $1,884,800 | $2,400,000 |
| 2007 | $35,520 | -11.3% | $515,200 | $1,884,800 | $2,400,000 |
| 2006 | $40,051 | +50.8% | $515,200 | $1,884,800 | $2,400,000 |
| 2005 | $26,552 | +4.1% | $515,200 | $2,345,600 | $2,860,800 |
| 2004 | $25,512 | +6.3% | $238,400 | $706,500 | $944,900 |
| 2003 | $24,000 | +7.6% | $238,400 | $706,500 | $944,900 |
| 2002 | $22,300 | +4.4% | $238,400 | $706,500 | $944,900 |
| 2001 | $21,355 | +6.6% | $238,400 | $706,500 | $944,900 |
| 2000 | $20,032 | +6.5% | $238,400 | $706,500 | $944,900 |
| 1999 | $18,804 | +2.6% | $238,400 | $706,500 | $944,900 |
| 1998 | $18,331 | +4.9% | $238,400 | $706,500 | $944,900 |
| 1997 | $17,481 | +1.6% | $238,400 | $706,500 | $944,900 |
| 1996 | $17,197 | +1.1% | $238,400 | $706,500 | $944,900 |
| 1995 | $17,008 | +3.4% | $238,400 | $706,500 | $944,900 |
| 1994 | $16,441 | +6.0% | $238,400 | $706,500 | $944,900 |
| 1993 | $15,508 | +0.6% | $238,400 | $706,500 | $944,900 |
| 1992 | $15,409 | +44.2% | $287,600 | $706,500 | $994,100 |
| 1991 | $10,684 | +10.6% | $287,600 | $706,500 | $994,100 |
| 1990 | $9,664 | +11.8% | $39,900 | $127,300 | $167,200 |
| 1989 | $8,644 | — | $39,900 | $127,300 | $167,200 |
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