290 Mountainside Rd, Mendham, NJ 07945 Property Records

Morris County and Mendham Borough property record for 290 Mountainside Rd, Mendham, NJ 07945

Property Summary

Property Type	Single Family Home
Details	5,365 sqft · built 1973
Lot Size	3.08 acres (134,600 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,300,000 (May 2026)
Tax Bill	$30,064 (2024)
Deeds & Mortgages	May 2026 Sale Aug 2021 Mortgage + 1 more
APN	`18-00101-0000-00023`

Property Details

APN / Parcel Number

Primary APN	`18-00101-0000-00023`
Alternative APNs	`1800001000000015A` `180010100023`

Interior

Stories	2 Stories
Building Area	5,365 sqft Living Area

Exterior

Year Built	Built 1973
Effective Year Built	Effective 1973
Construction Type	Frame
Lot Area	134,600 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Old Parcel Number	1800001000000015A
Street Address	290 MOUNTAINSIDE RD
City	MENDHAM
State	NJ
Zip	07945-1116
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	3-AC
Legal Block	101
Legal Lot Number	23
Jurisdiction	MORRIS NJ
Township / Civil Division	MENDHAM
Census Block Group	3
Census Block	3006
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	290 MOUNTAINSIDE RD, MENDHAM, NJ 07945-1116
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 13, 2026	Bargain and Sale Deed, Transfer HERITAGE ABSTRACT
Aug 9, 2021	Deed of Trust, Mortgage · Conventional Mortgage PROVIDENT BANK
Oct 7, 2017	Deed of Trust, Mortgage · Line of Credit PROVIDENT BK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 13, 2026 · Amount on Record
Deed Sale	May 13, 2026 · Amount on Record
Prior Sale	Mar 3, 2014 · Amount on Record
Deed Document Number	202620852
Deed Book / Page	25106 / 597
Prior Transfer Date	Nov 8, 1994
Prior Transfer Doc	4096000148
Record Updated	Sep 20, 2026

May 2026: Bargain and Sale Deed, Transfer

Document Type	Bargain and Sale Deed
Jurisdiction	MORRIS NJ
Recording Date	May 13, 2026
Property Address	290 MOUNTAINSIDE RD, MENDHAM, NJ 07945-1116
Document Number	0000020852
Book / Page	25106 / 597
Instrument Date	Apr 13, 2026
Instrument	2026.20852
Transaction Type	Transfer
Record Updated	May 27, 2026
Title Company	HERITAGE ABSTRACT

Transaction

Amount	Amount Recorded
Tax	$464,600.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	290 MOUNTAINSIDE RD, MENDHAM, NJ 07945-1116

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MORRIS NJ
Property Address	290 MOUNTAINSIDE RD, MENDHAM, NJ 07945-1116
Transaction Type	Mortgage
Record Updated	Aug 18, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0241911478
Date	Aug 9, 2021
Book Page	24191/1478
Instrument	2021067460

Lender

Name	PROVIDENT BANK
Type	Bank
Address	ISELIN, NJ 08830

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	358 Months
Due	Jun 21, 2051

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MORRIS NJ
Property Address	290 MOUNTAINSIDE RD, MENDHAM, NJ 07945-1116
Document Number	0232371388
Book / Page	023237 / 001388
Instrument Date	Oct 7, 2017
Transaction Type	Mortgage
Record Updated	Jan 3, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	290 MOUNTAINSIDE RD MENDHAM NJ 079451116, MENDHAM, NJ 07945-1116

Mortgage

Document Number	0232371388
Date	Nov 8, 2017
Book Page	023237/001388
Instrument	67399

Lender

Name	PROVIDENT BK
Type	Bank
Address	ISELIN, NJ 08830

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

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		$1,222,100 (-) Land $417,500 Building $804,600	$1,222,100 (-) Land $417,500 Building $804,600
2025		$1,222,100 (+0.17%) Land $417,500 Building $804,600	$1,222,100 (+0.17%) Land $417,500 Building $804,600
2024	$30,064.00 (+3.37%)
2023		$1,220,000 Land $417,500 Building $802,500	$1,220,000 Land $417,500 Building $802,500
2022	$29,084.00

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	3 in force
Nearby Flood Claims	4 (1999–2020)
Claims Outside the SFHA	1 of 4
Most Recent Claim	Dec 2020 · other causes
Claims by Event	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

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	0.02% annual chance
Exposure	Direct burnable vegetation

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

Internet Providers

Source: FCC Broadband Data Collection, based on 24 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber	2,300 / 2,300
Xfinity Cable	2,000 / 250
T-Mobile Fixed Wireless	100 / 20

May also be available: Optimum.

Cell Coverage

5G (outdoors only) and 4G LTE

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