Morris County and Mendham Borough property record for 20 Mountainside Rd, Mendham, NJ 07945
| Property Type | Single Family Home |
|---|---|
| Details | 3,116 sqft · built 1972 |
| Lot Size | 1.7 acres (74,052 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $426,000 (Apr 2018) |
| Tax Bill | $18,167 (2024) |
| Deeds & Mortgages | Feb 2021 Mortgage |
| APN | 18-00501-0000-00057 |
| Primary APN | 18-00501-0000-00057 |
|---|---|
| Alternative APNs |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 3,116 sqft Living Area |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Construction Type | Frame |
| Lot Area | 74,052 sqft |
| Parking Spaces | 2 Parking Spaces |
| Old Parcel Number | 1800002000000057 |
|---|---|
| Street Address | 20 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 | 57 |
| Jurisdiction | MORRIS NJ |
| Township / Civil Division | MENDHAM |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 46400 |
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 | 20 MOUNTAINSIDE RD, MENDHAM, NJ 07945-2016 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 6, 2018 · Amount on Record |
| Deed Sale | Apr 6, 2018 · Amount on Record |
| Prior Sale | Aug 12, 2011 · Amount on Record |
| Deed Document Number | 201818929 |
| Deed Book / Page | 23323 / 1426 |
| Prior Transfer Date | Nov 13, 1996 |
| Prior Transfer Doc | 0000098710 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MORRIS NJ |
| Property Address | 20 MOUNTAINSIDE RD, MENDHAM, NJ 07945-2016 |
| Transaction Type | Mortgage |
| Record Updated | Apr 2, 2021 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|
| Document Number | 0240221700 |
|---|---|
| Date | Feb 17, 2021 |
| Book Page | 24022/1700 |
| Instrument | 2021012948 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Feb 1, 2036 |
Source: Morris County and Mendham Borough assessment roll, as of July 9, 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $738,500 (-) Land $333,900 Building $404,600 | $738,500 (-) Land $333,900 Building $404,600 | |
| 2025 | $738,500 (-) Land $333,900 Building $404,600 | $738,500 (-) Land $333,900 Building $404,600 | |
| 2024 | $18,167.00 (+3.19%) | ||
| 2023 | $738,500 Land $333,900 Building $404,600 | $738,500 Land $333,900 Building $404,600 | |
| 2022 | $17,605.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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.
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 |
| 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.
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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