Morris County and Mendham Borough property record for 80 Mountain Ave, Mendham, NJ 07945 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3,146 sqft · built 1906 |
| Lot Size | 5.53 acres (241,322 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $510,000 (Sep 1999) |
| Tax Bill | $20,541 (2024) |
| APN | 18-00101-0000-00005 |
| Primary APN | 18-00101-0000-00005 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 3,146 sqft Living Area |
| Year Built | Built 1906 |
|---|---|
| Effective Year Built | Effective 1906 |
| Construction Type | Frame |
| Lot Area | 241,322 sqft |
| Parking Spaces | 2 Parking Spaces |
| Old Parcel Number | 1800001000000004 |
|---|---|
| Street Address | 80 MOUNTAIN AVE |
| City | MENDHAM |
| State | NJ |
| Zip | 07945-1328 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Block | 101 |
| Legal Lot Number | 5 |
| Jurisdiction | MORRIS NJ |
| Township / Civil Division | MENDHAM |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 46400 |
Source: Morris County and Mendham Borough records · APN 18-00101-0000-00005
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 80 MOUNTAIN AVE, MENDHAM, NJ 07945-1328 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 13, 1999 · Amount on Record |
| Deed Sale | Sep 13, 1999 · Amount on Record |
| Deed Document Number | 199997432 |
| Deed Book / Page | 5053 / 286 |
| 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 | $835,000 (-) Land $495,300 Building $339,700 | $835,000 (-) Land $495,300 Building $339,700 | |
| 2025 | $835,000 (-) Land $495,300 Building $339,700 | $835,000 (-) Land $495,300 Building $339,700 | |
| 2024 | $20,541.00 (+3.19%) | ||
| 2023 | $835,000 Land $495,300 Building $339,700 | $835,000 Land $495,300 Building $339,700 | |
| 2022 | $19,906.00 |
Source: FEMA National Flood Hazard Layer · FEMA OpenFEMA NFIP redacted claims and policies, census block group 340270464003, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 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 Storm |
|
| Wildfire Risk | Low above 20% of the US · above 35% of New Jersey |
|---|---|
| Wildfire Likelihood | About 1 in 5,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 152 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Verizon | Fiber | 2,300 / 2,300 |
| Xfinity | Cable | 1,200 / 35 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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