Essex County and North Caldwell Borough property record for 321 Mountain Ave, Caldwell, NJ 07006
| Property Type | Single Family Home |
|---|---|
| Details | 1,676 sqft · built 1953 |
| Lot Size | 0.811 acres (35,328 sqft) |
| Owner | Individual Name on File |
| Last Sale | $550,000 (Jun 2009) |
| Tax Bill | $12,936 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-01004-0000-00001 |
| Primary APN | 15-01004-0000-00001 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,676 sqft Living Area |
| 1st Floor Area | 1,676 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Construction Type | Frame |
| Lot Area | 35,328 sqft (0.811 acres) |
| Lot Dimensions | 128 ft deep x 276 ft wide |
| Garage Type | Attached |
| Parking Spaces | 2 Parking Spaces |
| Old Parcel Number | 1500059000000010 |
|---|---|
| Street Address | 321 MOUNTAIN AVE |
| City | CALDWELL |
| State | NJ |
| Zip | 07006-4009 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-1 |
| Legal Description | 276X128 IRR |
| Legal Block | 1004 |
| Legal Lot Number | 1 |
| Jurisdiction | ESSEX NJ |
| Township / Civil Division | NORTH CALDWELL |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 21602 |
321 Mountain Ave is owned and occupied by an individual who bought it in June 2009.
Source: Essex County and North Caldwell Borough records, as of July 2, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 321 MOUNTAIN AVE, CALDWELL, NJ 07006-4009 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 8, 2009 · Amount on File |
| Deed Sale | Jun 8, 2009 · Amount on File |
| Prior Sale | Nov 6, 1997 · Amount on File |
| Deed Document Number | 20099045570 |
| Deed Book / Page | 12198 / 5259 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 321 Mountain Ave was $12,936, up 2.2% from the year before.
Source: Essex County and North Caldwell Borough assessment roll, as of July 2, 2026
| Type | Name |
|---|---|
| State | New Jersey |
| County | Essex County |
| Municipality | North Caldwell Borough |
| Elementary School District | North Caldwell Borough School District (KG - 06) |
| Secondary School District | West Essex Regional School District (07 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $560,500 (-) Land $310,500 Building $250,000 | $560,500 (-) Land $310,500 Building $250,000 | |
| 2025 | $12,936.00 (+2.21%) | $560,500 Land $310,500 Building $250,000 | $560,500 Land $310,500 Building $250,000 |
| 2024 | $12,656.00 | ||
| 2023 | $560,500 Land $310,500 Building $250,000 | $560,500 Land $310,500 Building $250,000 | |
| 2022 | $12,213.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 321 Mountain Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1978.
Source: FEMA National Flood Hazard Layer, effective September 24, 2020 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 3 (1978–1983) |
| Most Recent Claim | Jan 1983 · tidal / storm surge |
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 risk around 321 Mountain Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 89% of New Jersey |
|---|---|
| Wildfire Likelihood | Under 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 | NORTH CALDWELL WATER DEP serves 6,000 people · EPA ID NJ0715001 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Lead | 4 ppb (2024–2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 3 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 196 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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