319 Rolling Rock Rd, Mountainside, NJ 07092 Property Records

Union County and Mountainside Borough property record for 319 Rolling Rock Rd, Mountainside, NJ 07092

Property Summary

Property Type	Single Family Home
Details	2,048 sqft · built 1956
Lot Size	0.344 acres (14,985 sqft)
Owner	2 Individual Names on File
Last Sale	$575,000 (Mar 2004)
Tax Bill	$11,036 (2025)
Flood Zone	Zone X (minimal risk)
APN	`10-00007-11-00003`

Property Details

APN / Parcel Number

Primary APN	`10-00007-11-00003`
Alternative APN	`1000007K00003`

Interior

Stories	1 Story
Building Area	2,048 sqft Living Area
1st Floor Area	2,048 sqft

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1956
Construction Type	Frame
Lot Area	14,985 sqft (0.344 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Old Parcel Number	1000007K00003
Street Address	319 ROLLING ROCK RD
City	MOUNTAINSIDE
State	NJ
Zip	07092-2119
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-2
Legal Subdivision	BRENTWOOD ESTATES INC SEC A
Legal Block	7.11
Legal Lot Number	3
Jurisdiction	UNION NJ
Township / Civil Division	MOUNTAINSIDE
Census Block Group	4
Census Block	4009
Census Tract	38300

Owner

319 Rolling Rock Rd is owned and occupied by two individuals who bought it in March 2004.

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

Owner of Record	2 Individual Names on File
Mailing Address	319 ROLLING ROCK RD, MOUNTAINSIDE, NJ 07092-2119
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 17, 2004 · Amount on File
Deed Sale	Mar 17, 2004 · Amount on File
Prior Sale	Aug 3, 1999 · Amount on File
Deed Book / Page	5421 / 325
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 319 Rolling Rock Rd was $11,036, up 2.4% from the year before.

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		$525,500 (-) Land $312,000 Building $213,500	$525,500 (-) Land $312,000 Building $213,500
2025	$11,036.00 (+2.44%)	$525,500 Land $312,000 Building $213,500	$525,500 Land $312,000 Building $213,500
2024	$10,773.00
2023		$525,500 Land $312,000 Building $213,500	$525,500 Land $312,000 Building $213,500
2022	$10,494.00

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

Flood

FEMA maps place 319 Rolling Rock Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	6 in force
Nearby Flood Claims	7 (1999–2021)
Claims Outside the SFHA	3 of 7
Most Recent Claim	Sep 2021 · Remnants Of Hurricane Ida
Claims by Event	Remnants Of Hurricane Ida, Sep 2021 · 2 claims Hurricane Irene, Aug 2011 · 2 claims

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

Wildfire risk around 319 Rolling Rock Rd is low, with a 0.01% annual chance of 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	Direct burnable vegetation

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
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20