12 Mountainside Rd, Mendham, NJ 07945 Property Records

Morris County and Mendham Borough property record for 12 Mountainside Rd, Mendham, NJ 07945

Property Summary

Property Type	Single Family Home
Details	2,282 sqft · built 1973
Lot Size	1.5 acres (65,340 sqft)
Owner	2 Individual Names on Record
Last Sale	$645,000 (Mar 2020)
Tax Bill	$14,782 (2024)
Deeds & Mortgages	Mar 2024 Mortgage Mar 2020 Sale & Mortgage
APN	`18-00501-0000-00059`

Property Details

APN / Parcel Number

Primary APN	`18-00501-0000-00059`
Alternative APNs	`1800002000000059` `180050100059`

Interior

Stories	2 Stories
Building Area	2,282 sqft Living Area

Exterior

Year Built	Built 1973
Effective Year Built	Effective 1973
Construction Type	Frame
Lot Area	65,340 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Old Parcel Number	1800002000000059
Street Address	12 MOUNTAINSIDE RD
City	MENDHAM
State	NJ
Zip	07945-2016
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1-AC
Legal Subdivision	HEATHER HILLS/MENDHAM
Legal Block	501
Legal Lot Number	59
Jurisdiction	MORRIS NJ
Township / Civil Division	MENDHAM
Census Block Group	1
Census Block	1000
Census Tract	46400

Owner

Source: Morris County and Mendham Borough records, as of July 9, 2026

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

Owner of Record	2 Individual Names on Record
Mailing Address	12 MOUNTAINSIDE RD, MENDHAM, NJ 07945-2016
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 13, 2024	Deed of Trust, Mortgage KEARNY BANK
Mar 4, 2020	Deed, Transfer · Conventional Mortgage KEARNY BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 4, 2020 · Amount on Record
Deed Sale	Mar 4, 2020 · Amount on Record
Prior Sale	Aug 22, 2013 · Amount on Record
Deed Document Number	202014126
Deed Book / Page	23726 / 894
Prior Transfer Date	Jun 26, 2006
Prior Transfer Doc	0206351622
Record Updated	Sep 20, 2026

March 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MORRIS NJ
Property Address	12 MOUNTAINSIDE RD, MENDHAM, NJ 07945-2016
Transaction Type	Mortgage
Record Updated	Mar 29, 2024

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0247240791
Date	Mar 13, 2024
Book Page	24724/791
Instrument	2024008802

Lender

Name	KEARNY BANK
Type	Bank
Address	FAIRFIELD, NJ 07004

Agreement

Amount	Amount Recorded

March 2020: Deed, Transfer

Document Type	Deed
Jurisdiction	MORRIS NJ
Recording Date	Mar 4, 2020
Property Address	12 MOUNTAINSIDE RD, MENDHAM, NJ 07945-2016
Document Number	0237260894
Book / Page	23726 / 894
Instrument Date	Feb 20, 2020
Instrument	2020014126
Transaction Type	Transfer
Record Updated	Nov 4, 2021
Title Company	OLD REPUBLIC NATL TTL INS CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$5,662.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	44 HILL ST, 44, MORRISTOWN, NJ 07960-5355

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	12 MOUNTAINSIDE RD, MENDHAM, NJ 07945-2016

Mortgage

Document Number	2020014127
Date	Mar 4, 2020
Instrument	2020014127

Lender

Name	KEARNY BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 1, 2050

Tax Assessment & Valuation

Source: Morris County and Mendham Borough assessment roll, as of July 9, 2026

Property Jurisdictions

Type	Name
State	New Jersey
County	Morris County
Municipality	Mendham Borough
Elementary School District	Mendham Borough School District (KG - 08)
Secondary School District	West Morris Regional School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$600,900 (-) Land $324,900 Building $276,000	$600,900 (-) Land $324,900 Building $276,000
2025		$600,900 (-) Land $324,900 Building $276,000	$600,900 (-) Land $324,900 Building $276,000
2024	$14,782.00 (+3.19%)
2023		$600,900 Land $324,900 Building $276,000	$600,900 Land $324,900 Building $276,000
2022	$14,325.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Not on file
Nearby Flood Policies	2 in force

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	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 - SHORT HILLS private · serves 217,230 people · EPA ID NJ0712001
Water Source	Surface water
Last State Inspection	Nov 2022
Lead	3 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	1 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 271 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber	2,300 / 2,300
Xfinity Cable	1,200 / 35
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Optimum.

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