Morris County and Mendham Borough property record for 89 Mountain Ave, Mendham, NJ 07945 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2,140 sqft · built 1955 |
| Lot Size | 1.36 acres (59,677 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $13,601 (2024) |
| APN | 18-00501-0000-00008 |
| Primary APN | 18-00501-0000-00008 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,140 sqft Living Area |
| 1st Floor Area | 2,140 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Construction Type | Frame |
| Lot Area | 59,677 sqft |
| Parking Spaces | 2 Parking Spaces |
| Old Parcel Number | 1800002000000008 |
|---|---|
| Street Address | 89 MOUNTAIN AVE |
| City | MENDHAM |
| State | NJ |
| Zip | 07945-1327 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Block | 501 |
| Legal Lot Number | 8 |
| Jurisdiction | MORRIS NJ |
| Township / Civil Division | MENDHAM |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 46400 |
Source: Morris County and Mendham Borough records · APN 18-00501-0000-00008
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 | Individual Name on File |
|---|---|
| Mailing Address | 89 MOUNTAIN AVE, MENDHAM, NJ 07945-1327 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Oct 20, 2005 |
| Transfer Doc | 0065000284 |
| Record Updated | Sep 20, 2026 |
Source: Morris County and Mendham Borough records · Assessment roll updated July 9, 2026 · Last verified July 2026
| 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) |
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 | $552,900 (-) Land $318,200 Building $234,700 | $552,900 (-) Land $318,200 Building $234,700 | |
| 2025 | $552,900 (-) Land $318,200 Building $234,700 | $552,900 (-) Land $318,200 Building $234,700 | |
| 2024 | $13,601.00 (+3.19%) | ||
| 2023 | $552,900 Land $318,200 Building $234,700 | $552,900 Land $318,200 Building $234,700 | |
| 2022 | $13,181.00 |
Source: FEMA National Flood Hazard Layer · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | FEMA flood map data for this location is not available in our records |
|---|
| Wildfire Risk | Low above 20% of the US · above 35% of New Jersey |
|---|---|
| Wildfire Likelihood | About 1 in 5,000 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.
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