657 Hillside Ave, Mountainside, NJ 07092 Property Records

Union County and Mountainside Borough property record for 657 Hillside Ave, Mountainside, NJ 07092

Property Summary

Property Type	Single Family Home
Details	2,872 sqft · built 1950
Lot Size	0.434 acres (18,905 sqft)
Owner	Individual Name on Record
Last Sale	$1,100,000 (Nov 2025)
Tax Bill	$14,683 (2025)
Deeds & Mortgages	Nov 2025 Sale
Flood Zone	Zone X (minimal risk)
APN	`10-00011-0000-00003-04`

Property Details

APN / Parcel Number

Primary APN	`10-00011-0000-00003-04`
Alternative APN	`1000011000000003D`

Interior

Stories	1 Story
Building Area	2,872 sqft Living Area

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1950
Construction Type	Frame
Lot Area	18,905 sqft (0.434 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Old Parcel Number	1000011000000003D
Street Address	657 HILLSIDE AVE
City	MOUNTAINSIDE
State	NJ
Zip	07092-2529
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Block	11
Legal Lot Number	3.4
Jurisdiction	UNION NJ
Township / Civil Division	MOUNTAINSIDE
Census Block Group	2
Census Block	2016
Census Tract	38300

Owner

Source: Union County and Mountainside Borough records, as of August 19, 2026

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

Owner of Record	Individual Name on Record
Mailing Address	817 JERUSALEM RD, 2, SCOTCH PLAINS, NJ 07076-2030
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 13, 2025 · Amount on Record
Deed Sale	Nov 13, 2025 · Amount on Record
Prior Sale	Jun 24, 2015 · Amount on Record
Deed Document Number	202550775
Deed Book / Page	6601 / 2227
Record Updated	Sep 20, 2026

November 2025: Deed, Transfer

Document Type	Deed
Jurisdiction	UNION NJ
Recording Date	Nov 13, 2025
Property Address	657 HILLSIDE AVE, MOUNTAINSIDE, NJ 07092-2529
Document Number	0066012227
Book / Page	6601 / 2227
Instrument Date	Nov 6, 2025
Instrument	50775
Transaction Type	Transfer
Record Updated	Dec 3, 2025
Title Company	ACRES LAND TITLE AGENCY INC

Transaction

Amount	Amount Recorded
Tax	$21,785.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	5211 RENE ST, SHAWNEE, KS 66216-5176

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	817 JERUSALEM RD # 2ND, SCOTCH PLAINS, NJ 07076-2030

Tax Assessment & Valuation

Source: Union County and Mountainside Borough assessment roll, as of July 8, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$699,200 (-) Land $361,000 Building $338,200	$699,200 (-) Land $361,000 Building $338,200
2025	$14,683.00 (+2.43%)	$699,200 (-) Land $361,000 Building $338,200	$699,200 (-) Land $361,000 Building $338,200
2024	$14,334.00 (+2.66%)
2023		$699,200 Land $361,000 Building $338,200	$699,200 Land $361,000 Building $338,200
2022	$13,963.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 24, 2020 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	6 in force
Nearby Flood Claims	5 (1979–2022)
Claims Outside the SFHA	5 of 5
Most Recent Claim	Mar 2022 · other causes

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Low lower than 80% of the US · lower than 65% of New Jersey
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	NJ AMERICAN WATER - RARITAN private · serves 615,430 people · EPA ID NJ2004002
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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 261 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Xfinity Cable	2,000 / 250
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20