21 W Main St, Mendham, NJ 07945 Property Records

Morris County and Mendham Borough property record for 21 W Main St, Mendham, NJ 07945 · Last verified July 2026

Property Highlights

Property Type	Commercial > Office > Commercial Office
Year Built	Built 1940
Lot Size	13,939 sqft (0.32 acres)
Tax Bill	$20,369.00 (2024)

Owner

Source: Morris County and Mendham Borough records · APN 18-00301-0000-00040

Assessment roll updated July 9, 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	1625 STATE ROUTE 10, MORRIS PLAINS, NJ 07950-2905
Owner Type	Owner is a Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Refreshed	Sep 20, 2026

November 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MORRIS NJ
Recording Date	Nov 12, 2020
Property Address	21 W MAIN ST, MENDHAM, NJ 07945-1251
Document Number	0239310820
Book / Page	023931 / 000820
Instrument Date	Sep 28, 2020
Instrument	82621
Transaction Type	Transfer
Record Updated	Dec 01, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Document Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1625 STATE ROUTE 10 MORRIS PLAINS NJ 079502905, MORRIS PLAINS, NJ 07950-2905

Tax Assessment & Valuation

Source: Morris County and Mendham Borough records · Assessment roll updated July 9, 2026 · Last verified July 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

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		$828,000 (-) Land $492,000 Building $336,000	$828,000 (-) Land $492,000 Building $336,000
2025		$828,000 (-) Land $492,000 Building $336,000	$828,000 (-) Land $492,000 Building $336,000
2024	$20,369.00 (+3.19%)
2023		$828,000 Land $492,000 Building $336,000	$828,000 Land $492,000 Building $336,000
2022	$19,739.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026

Flood

FEMA Flood Zone	FEMA flood map data for this location is not available in our records

Wildfire

Wildfire Risk	Low above 20% of the US · above 35% of New Jersey
Wildfire Likelihood	About 1 in 10,000 per year
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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

Historic Designation

Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified: October 2026

Historic District	Within the Mendham Historic District (Boundary Increase) listed 2014 · 86 contributing resources · NRIS 14000932

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Property Details

APN / Parcel Number

Primary APN	`18-00301-0000-00040`
Alternative APNs	`1800004A00031` `180030100040`

Interior

Units	5 Units
Stories	3 Stories

Exterior

Year Built	Built 1940
Effective Year Built	Effective 1940
Exterior Material	Concrete Block Exterior
Construction Type	Concrete Blocks Construction
Lot Area	13,939 sqft (0.32 acres)
Depth X Width	205 ft x 62 ft Depth x Width

Location & Zoning

Old Parcel Number	1800004A00031
Street Address	21 W MAIN ST
City	MENDHAM
State	NJ
Zip	07945-1251
Property Usage	Commercial Property Usage
Type	Commercial > Office > Commercial Office
Legal Block	301
Legal Lot Number	40
Jurisdiction	MORRIS NJ
Minor Civil Division	MENDHAM
Census Blockgroup	3
Census Block	3019
Census Tract	46400