550 Union Ave, Middlesex, NJ 08846 Property Records

Middlesex County and Middlesex Borough property record for 550 Union Ave, Middlesex, NJ 08846

Property Summary

Property Type	Commercial Office
Details	built 1970
Lot Size	0.32 acres (13,948 sqft)
Owner	Company Name on File
Last Sale	$745,000 (Sep 2006)
Tax Bill	$14,700 (2025)
Flood Zone	Zone X (minimal risk)
APN	`10-00178-0000-00004-01`

Property Details

APN / Parcel Number

Primary APN	`10-00178-0000-00004-01`
Alternative APN	`1000178000000004000A`

Interior

Units	12 Units
Stories	2 Stories

Exterior

Year Built	Built 1970
Effective Year Built	Effective 1970
Lot Area	13,948 sqft (0.32 acres)
Garage Type	Detached

Location & Zoning

Street Address	550 UNION AVE
City	MIDDLESEX
State	NJ
Zip	08846-1947
Property Category	Commercial
Property Type	Commercial > Office > Commercial Office
Local Zoning Code	GB
Legal Description	13950 SF 5-8-A
Legal Subdivision	WASHINGTON HEIGHTS
Legal Block	178
Legal Lot Number	4.1
Jurisdiction	MIDDLESEX NJ
Township / Civil Division	MIDDLESEX
Census Block Group	1
Census Block	1003
Census Tract	102

Owner

Source: Middlesex County and Middlesex Borough records · APN 10-00178-0000-00004-01

Assessment roll updated June 30, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	34 BALLANTINE RD, BERNARDSVILLE, NJ 07924-1613
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Sep 12, 2006 · Amount on Record
Deed Sale	Sep 12, 2006 · Amount on Record
Prior Sale	Jun 23, 2004 · Amount on Record
Deed Book / Page	5718 / 490
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Middlesex County and Middlesex Borough records · Assessment roll updated June 30, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	New Jersey
County	Middlesex County
Municipality	Middlesex Borough
Unified School District	Middlesex Borough School District (KG - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$693,400 (-) Land $300,000 Building $393,400	$693,400 (-) Land $300,000 Building $393,400
2025	$14,700.00 (+0.77%)	$693,400 (+9.99%) Land $300,000 Building $393,400	$693,400 (+9.99%) Land $300,000 Building $393,400
2024	$14,587.00 (-16.86%)
2023		$630,400 Land $300,000 Building $330,400	$630,400 Land $300,000 Building $330,400
2022	$17,546.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Middlesex County (34023C), as of December 16, 2021 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 94% of the US · lower than 85% of New Jersey
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Optimum Communications Fiber · Cable	8,000 / 8,000
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
T-Mobile USA Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

Based on FCC filings for 478 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system NJ2004002, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	NJ AMERICAN WATER - RARITAN private · serves 615,430 people
Water Source	Surface water
Last State Inspection	Jun 2024
Lead	1 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.