Essex County and North Caldwell Borough property record for 577 Mountain Ave, Caldwell, NJ 07006
| Property Type | Single Family Home |
|---|---|
| Details | 3,044 sqft · built 1952 |
| Lot Size | 0.502 acres (21,875 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $209,000 (Jan 1997) |
| Tax Bill | $18,362 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-01405-0000-00004 |
| Primary APN | 15-01405-0000-00004 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 3,044 sqft Living Area |
| 1st Floor Area | 3,044 sqft |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Construction Type | Frame |
| Lot Area | 21,875 sqft (0.502 acres) |
| Lot Dimensions | 218 ft deep x 100 ft wide |
| Garage Type | Basement |
| Old Parcel Number | 150140500004 |
|---|---|
| Street Address | 577 MOUNTAIN AVE |
| City | CALDWELL |
| State | NJ |
| Zip | 07006-4568 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-1 |
| Legal Description | 100X218.75 IRR |
| Legal Block | 1405 |
| Legal Lot Number | 4 |
| Jurisdiction | ESSEX NJ |
| Township / Civil Division | NORTH CALDWELL |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 21602 |
577 Mountain Ave is owned and occupied by two individuals who acquired it in August 2020.
Source: Essex County and North Caldwell Borough records, as of July 2, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 577 MOUNTAIN AVE, CALDWELL, NJ 07006-4568 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Jan 15, 1997 · Amount on File |
| Deed Sale | Jan 15, 1997 · Amount on File |
| Prior Sale | Jul 14, 1989 · Amount on File |
| Deed Book / Page | 5456 / 677 |
| Last Transfer Date | Aug 5, 2020 |
| Transfer Doc | 2020077733 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 577 Mountain Ave was $18,362, 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 | $795,600 (-) Land $272,000 Building $523,600 | $795,600 (-) Land $272,000 Building $523,600 | |
| 2025 | $18,362.00 (+2.22%) | $795,600 Land $272,000 Building $523,600 | $795,600 Land $272,000 Building $523,600 |
| 2024 | $17,964.00 | ||
| 2023 | $795,600 Land $272,000 Building $523,600 | $795,600 Land $272,000 Building $523,600 | |
| 2022 | $17,336.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 577 Mountain Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2014.
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 Policies | 4 in force |
| Nearby Flood Claims | 2 (2014–2018) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Sep 2018 · river or lake flooding |
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 577 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 | None beyond ember reach |
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 233 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 2,300 / 2,300 |
May also be available: T-Mobile.
5G (outdoors only) and 4G LTE
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