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Union Ave, Somerville, NJ Property Records

Somerset County, Somerville Borough and Watchung Borough property records for 29 addresses on Union Ave, Somerville, NJ · Last verified August 2026

Union Ave Highlights

Properties 29
Median Sale Price $345,000
Deeds and Mortgages on File 33
Median Price per Sqft $226
Owner Occupied 69%
Median Annual Tax Bill $9,802
Median Year Built 1950
Median Ownership Tenure 8 years

Properties on Union Ave

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

1 Union Ave

0.421 acres

Last Sale Tax Bill Prior Sale Owner Records
$600,000Aug 2026 $16,6792025 Amount on Record Jan 2019 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

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12 Union Ave

1,265 sqft · Built 1925 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$249,000Jun 2015 $11,1972025 Amount on Record Feb 2015 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

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16 Union Ave

1,188 sqft · Built 1925 · 0.18 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$225,000Mar 2011 $10,4222025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

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20 Union Ave

1,254 sqft · Built 1925 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Apr 2020 $8,9982025 Amount on Record Oct 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

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21 Union Ave, #29

1.61 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,525,000Nov 2023 $90,9822025 Amount on Record Oct 2018 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

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24 Union Ave

1,248 sqft · Built 1925 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$405,000Nov 2021 $10,8092025 Amount on Record Mar 2020 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

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28 Union Ave

1,254 sqft · Built 1925 · 0.153 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Aug 2021 $9,4592025 Amount on Record Aug 2015 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

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32 Union Ave

1,254 sqft · Built 1925 · 0.173 acres

Last Sale Tax Bill Prior Sale Owner Records
$103,000Jan 2015 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

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51 Union Ave

34.1 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jul 2026

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56 Union Ave

0.032 acres

Last Sale Tax Bill Prior Sale Owner Records
$405,000Jan 2020 $11,3722025 Amount on Record Jul 2006 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

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100 Union Ave

2.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$600,000Jun 2013 $7,7052025 1 Name on Record AssessorUpdated Jul 2026

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166 Union Ave

1,504 sqft · Built 1956 · 0.229 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$10,6542025 —Sep 2022 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

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170 Union Ave

1,369 sqft · Built 1952 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,000Jan 2019 $11,3112025 Amount on Record Feb 2018 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

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176 Union Ave

934 sqft · Built 1952 · 0.128 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,500Oct 1997 $8,6722025 Amount on Record Mar 1992 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

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180 Union Ave

1,776 sqft · Built 1950 · 0.158 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$345,000Sep 2024 $9,8022025 1 Name on Record AssessorUpdated Jul 2026

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184 Union Ave

1,452 sqft · Built 1950 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$280,000Jul 2018 $8,9822025 Amount on Record Sep 2009 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

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186 Union Ave

1,854 sqft · Built 1990 · 0.179 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$359,000Dec 2018 $11,3072025 Amount on Record Mar 2012 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

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188 Union Ave

1,398 sqft · Built 1950 · 0.183 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$316,500Dec 2020 $9,1452025 Amount on Record Mar 1992 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

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208 Union Ave

1,144 sqft · Built 1958 · 0.183 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$275,000Nov 2019 $11,1562025 Amount on Record May 1993 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

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214 Union Ave

1,100 sqft · Built 1959 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000Jun 2001 $8,8512025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

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222 Union Ave

1,494 sqft · Built 1950 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$168,500Apr 1998 1 Name on Record AssessorUpdated Jul 2026

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224 Union Ave

1,052 sqft · Built 1950 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Nov 2015 $7,4482025 Amount on Record Mar 1993 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

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232 Union Ave

0.814 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Jul 2026

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242 Union Ave

0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Dec 2017 $11,8212025 Amount on Record Apr 2007 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

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300 Union Ave

2.87 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

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310 Union Ave

1,152 sqft · Built 1945 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,000Aug 2001 $8,3252025 Amount on Record Nov 1994 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

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314 Union Ave

1,088 sqft · Built 1946 · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000Nov 2020 $7,5382025 Amount on Record Nov 2016 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

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318 Union Ave

1,152 sqft · Built 1945 · 0.167 acres

Last Sale Tax Bill Prior Sale Owner Records
$118,500Sep 1996 $7,4692025 Amount on Record Dec 1992 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

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340 Union Ave

0.404 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,000Jan 2019 $4,1372022 1 Name on Record Assessor + 1 DocumentUpdated Apr 2024

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Wildfire Risk on Union Ave

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

Wildfire Risk to HomesLow
this street's cells rank at the 18th percentile of exposed land nationally · 32nd in New Jersey
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
1 of 7 cells directly exposed · 5 adjoin burnable vegetation

Property Records in Nearby Streets