Union County and Berkeley Heights Township property record for 646 Mountain Ave, Berkeley Heights, NJ 07922
| Property Type | Single Family Home |
|---|---|
| Details | 1,690 sqft · built 1953 |
| Lot Size | 0.81 acres (35,284 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $2,050,118 (Apr 2026) |
| Tax Bill | $9,484 (2025) |
| Deeds & Mortgages | Apr 2026 Sale & Mortgage Sep 2023 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 01-03201-0000-00008 |
| Primary APN | 01-03201-0000-00008 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,690 sqft Living Area |
| 1st Floor Area | 1,690 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Construction Type | Frame |
| Lot Area | 35,284 sqft (0.81 acres) |
| Lot Dimensions | 144 ft deep x 103 ft wide |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 646 MOUNTAIN AVE |
|---|---|
| City | BERKELEY HEIGHTS |
| State | NJ |
| Zip | 07922-2501 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-15 |
| Legal Block | 3201 |
| Legal Lot Number | 8 |
| Jurisdiction | UNION NJ |
| Township / Civil Division | BERKELEY HEIGHTS |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 38201 |
Source: Union County and Berkeley Heights Township records, as of July 8, 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 Record |
|---|---|
| Mailing Address | 646 MOUNTAIN AVE, BERKELEY HEIGHTS, NJ 07922-2501 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Unmarried |
| Date | Document |
|---|---|
| Apr 21, 2026 | Bargain and Sale Deed, Transfer · Conventional Mortgage GUARANTEED RATE AFFINITY LLC |
| Sep 26, 2023 | Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE INSURANCE CO |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 21, 2026 · Amount on Record |
| Deed Sale | Apr 21, 2026 · Amount on Record |
| Prior Sale | Jun 19, 2025 · Amount on Record |
| Deed Document Number | 202654253 |
| Deed Book / Page | 6616 / 2371 |
| Record Updated | Sep 20, 2026 |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | UNION NJ |
| Recording Date | Apr 21, 2026 |
| Property Address | 646 MOUNTAIN AVE, BERKELEY HEIGHTS, NJ 07922-2501 |
| Document Number | 0000054253 |
| Book / Page | 6616 / 2371 |
| Instrument Date | Apr 9, 2026 |
| Instrument | 2026.54253 |
| Transaction Type | Transfer |
| Record Updated | May 5, 2026 |
| Title Company | ACRES LAND TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $414,124.24 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 646 MOUNTAIN AVE, BERKELEY HEIGHTS, NJ 07922-2501 |
| Document Number | 0000091652, |
|---|---|
| Date | Apr 21, 2026 |
| Book Page | 15791/2090 |
| Instrument | 2026.91652 |
| Name | GUARANTEED RATE AFFINITY LLC |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Deed |
|---|---|
| Jurisdiction | UNION NJ |
| Recording Date | Sep 26, 2023 |
| Property Address | 646 MOUNTAIN AVE, BERKELEY HEIGHTS, NJ 07922-2501 |
| Document Number | 0065220379 |
| Book / Page | 6522 / 379 |
| Instrument Date | Sep 8, 2023 |
| Instrument | 32372 |
| Transaction Type | Transfer |
| Record Updated | Oct 10, 2023 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE INSURANCE CO |
| Amount | Amount Recorded |
|---|---|
| Tax | $1,925.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 646 MOUNTAIN AVE, BERKELEY HEIGHTS, NJ 07922-2501 |
| Name | Verified Name |
|---|---|
| Address | 89 PARK PL, WATCHUNG, NJ 07069-5936 |
Source: Union County and Berkeley Heights Township assessment roll, as of July 8, 2026
| Type | Name |
|---|---|
| State | New Jersey |
| County | Union County |
| County Subdivision | Berkeley Heights Township |
| Unified School District | Berkeley Heights Township School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $232,600 (+7.94%) Land $146,300 Building $86,300 | $232,600 (+7.94%) Land $146,300 Building $86,300 | |
| 2025 | $9,484.00 (+2.66%) | $215,500 (-) Land $129,200 Building $86,300 | $215,500 (-) Land $129,200 Building $86,300 |
| 2024 | $9,238.00 (+2.1%) | ||
| 2023 | $215,500 (-) Land $129,200 Building $86,300 | $215,500 (-) Land $129,200 Building $86,300 | |
| 2022 | $9,048.00 | $215,500 Land $129,200 Building $86,300 | $215,500 Land $129,200 Building $86,300 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
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 |
| Flood Insurance Cost | Premium on Record median of 10 individual policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 50 units insured incl. 40 condo units |
| Nearby Flood Claims | 17 (1978–2025) |
| Claims Outside the SFHA | 9 of 17 |
| Most Recent Claim | Jul 2025 · river or lake flooding |
| Claims by Event |
|
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 257 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
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