Mountain Ave, Princeton, NJ Property Records

Mercer County and Princeton property records for 41 addresses on Mountain Ave, Princeton, NJ · Last verified August 2026

Mountain Ave Highlights

Properties 41
Median Sale Price $780,000
Deeds and Mortgages on File 36
Median Price per Sqft $491
Owner Occupied 88%
Median Annual Tax Bill $13,936
Median Year Built 1954
Median Ownership Tenure 13 years

Properties on Mountain Ave

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

20 Mountain Ave

1,881 sqft · built 1982 · 0.194 acres

Last Sale Tax Bill Prior Sale Owner Records
$407,500Oct 2004 $13,8752025 Amount on Record Jul 2000 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

22 Mountain Ave

1,881 sqft · built 1982 · 12.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$780,000Jul 2024 $13,2852025 Amount on Record Dec 2008 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

24 Mountain Ave

1,881 sqft · built 1982 · 0.48 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Sep 2014 $13,0152025 Amount on Record May 1999 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

26 Mountain Ave

1,881 sqft · built 1982 · 0.48 acres

Last Sale Tax Bill Prior Sale Owner Records
$510,000Jun 2005 $13,1352025 Amount on Record May 1997 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

28 Mountain Ave

1,881 sqft · built 1982 · 0.48 acres

Last Sale Tax Bill Prior Sale Owner Records
$580,000Dec 2017 $13,1622025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

30 Mountain Ave

1,881 sqft · built 1982 · 0.48 acres

Last Sale Tax Bill Prior Sale Owner Records
$430,000Jun 2004 $13,1872025 —Jun 2004 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

34 Mountain Ave

1,881 sqft · built 1982 · 0.48 acres

Last Sale Tax Bill Prior Sale Owner Records
$189,000Apr 1994 $13,2282025 —Apr 1994 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

36 Mountain Ave

1,881 sqft · built 1982 · 0.48 acres

Last Sale Tax Bill Prior Sale Owner Records
$780,000Feb 2024 $13,1212025 Amount on Record Sep 2020 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

38 Mountain Ave

1,881 sqft · built 1982 · 0.48 acres

Last Sale Tax Bill Prior Sale Owner Records
$465,000Nov 2007 $13,1732025 Amount on Record Sep 2000 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

40 Mountain Ave

1,881 sqft · built 1982 · 0.48 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,880,000Jan 2017 $13,4462025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

57 Mountain Ave

4,890 sqft · built 1900 · 6.68 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,500,000Nov 1987 1 Name on Record AssessorUpdated Jul 2026

68 Mountain Ave

1,792 sqft · built 1940 · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$770,000Jun 2022 $13,4272025 Amount on Record Sep 2000 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

73 Mountain Ave

2,077 sqft · built 1869 · 1.53 acres

Last Sale Tax Bill Prior Sale Owner Records
$478,744Dec 1998 $19,8092025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

76 Mountain Ave

1,540 sqft · built 1950 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$999,999Jun 2026 $13,2852025 Amount on Record Jun 2024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

81 Mountain Ave

1,876 sqft · built 1905 · 0.639 acres

Last Sale Tax Bill Prior Sale Owner Records
$800,000Jun 2015 $18,7242025 Amount on Record Aug 2012 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

82 Mountain Ave

1,820 sqft · built 1948 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$265,000Sep 1989 $15,9032025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

85 Mountain Ave

5,596 sqft · built 2006 · 3.41 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2005 $45,2752025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

88 Mountain Ave

1,174 sqft · built 1945 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$360,000Apr 2002 $11,7052025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

96 Mountain Ave

1,497 sqft · built 1951 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$447,000Dec 2014 $13,3862025 —Oct 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

97 Mountain Ave

1,611 sqft · built 1910 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$216,100Mar 1989 $13,1542025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

105 Mountain Ave

1,981 sqft · built 1910 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$530,000Apr 2013 $15,5702025 Amount on Record Mar 1997 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

107 Mountain Ave

1,503 sqft · built 1900 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$780,000Sep 2021 $14,7502025 Amount on Record Jul 2013 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

111 Mountain Ave

1,650 sqft · built 1905 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$380,000Feb 2003 $13,9362025 Amount on Record May 1998 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

115 Mountain Ave

2,480 sqft · built 1870 · 0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$505,000Mar 2013 $16,8082025 Amount on Record May 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

119 Mountain Ave

1,215 sqft · built 2024 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$35,000Mar 2013 $10,6562025 1 Name on Record AssessorUpdated Jul 2026

125 Mountain Ave

1,898 sqft · built 1955 · 0.819 acres

Last Sale Tax Bill Prior Sale Owner Records
$490,000Jul 2010 $13,2502025 Amount on Record Dec 1999 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

131 Mountain Ave

1,708 sqft · built 1939 · 0.819 acres

Last Sale Tax Bill Prior Sale Owner Records
$289,000Jun 1994 $19,0632025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

139 Mountain Ave

1,980 sqft · built 1920 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$495,000Sep 2003 $14,2942025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

143 Mountain Ave

1,680 sqft · built 1929 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2002 $13,3042025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

147 Mountain Ave

0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2002 $1782025 1 Name on Record AssessorUpdated Jul 2026

158 Mountain Ave

4,093 sqft · built 2003 · 0.68 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Jul 2009 $27,4422025 Amount on Record May 2002 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

168 Mountain Ave

2,473 sqft · built 1951 · 0.63 acres

Last Sale Tax Bill Prior Sale Owner Records
$875,000Jan 2022 $16,5542025 Amount on Record Jul 2016 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

178 Mountain Ave

1,884 sqft · built 1955 · 0.694 acres

Last Sale Tax Bill Prior Sale Owner Records
$699,000May 2018 $14,7042025 Amount on Record May 2014 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

190 Mountain Ave

4,249 sqft · built 2016 · 0.694 acres

Last Sale Tax Bill Prior Sale Owner Records
$515,000Jul 2014 $31,7822025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

200 Mountain Ave

4,390 sqft · built 2015 · 0.501 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,158,888Nov 2023 $35,9832025 Amount on Record Feb 2016 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

210 Mountain Ave

2,861 sqft · built 1954 · 0.719 acres

Last Sale Tax Bill Prior Sale Owner Records
$426,699Jul 2020 $22,3702025 Amount on Record May 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

224 Mountain Ave

5,092 sqft · built 2005 · 0.919 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,580,000Dec 2015 $39,3832025 Amount on Record Dec 2005 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

225 Mountain Ave

7,285 sqft · built 1920 · 4.93 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,980,000Sep 2023 $58,8582024 Amount on Record Oct 2022 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

240 Mountain Ave

1,376 sqft · built 1952 · 0.919 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,000May 2022 $15,0512025 Amount on Record Dec 1990 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

264 Mountain Ave

1,376 sqft · built 1950 · 0.93 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Nov 2019 $13,5562025 Amount on Record Jan 2013 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

278 Mountain Ave

4,180 sqft · built 1986 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$985,000Aug 2011 $26,3322025 Amount on Record Feb 1994 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

Wildfire Risk on Mountain Ave

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank above 20% of the US · above 35% of New Jersey
Wildfire LikelihoodAbout 1 in 6,897 per year
ExposureDirect
3 of 4 cells directly exposed · 4 adjoin burnable vegetation

Property Records in Nearby Streets