Union County and Westfield Town property record for 431 Hillside Ave, Westfield, NJ 07090
| Property Type | Single Family Home |
|---|---|
| Details | 5,726 sqft · built 1974 |
| Lot Size | 1.19 acres (52,124 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,250,000 (Jul 2004) |
| Tax Bill | $51,419 (2025) |
| Deeds & Mortgages | Oct 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 20-00502-0000-00013 |
| Primary APN | 20-00502-0000-00013 |
|---|---|
| Alternative APNs |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 5,726 sqft Living Area |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Colonial |
| Exterior Material | Brick |
| Construction Type | Brick |
| Lot Area | 52,124 sqft |
| Lot Dimensions | 314 ft deep x 166 ft wide |
| Garage Type | Attached |
| Parking Spaces | 2 Parking Spaces |
| Old Parcel Number | 2000260000000003A |
|---|---|
| Street Address | 431 HILLSIDE AVE |
| City | WESTFIELD |
| State | NJ |
| Zip | 07090-2902 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | TOWN/WESTFIELD |
| Legal Block | 502 |
| Legal Lot Number | 13 |
| Jurisdiction | UNION NJ |
| Township / Civil Division | WESTFIELD |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 36500 |
431 Hillside Ave is owned and occupied by two individuals who acquired it in October 2017.
Source: Union County and Westfield Town records, as of July 8, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 431 HILLSIDE AVE, WESTFIELD, NJ 07090-2902 |
| 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 | Jul 30, 2004 · Amount on File |
| Deed Sale | Jul 30, 2004 · Amount on File |
| Deed Book / Page | 5444 / 896 |
| Last Transfer Date | Oct 25, 2017 |
| Transfer Doc | 0000292858 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | UNION NJ |
| Recording Date | Oct 26, 2017 |
| Property Address | 431 HILLSIDE AVE, WESTFIELD, NJ 07090-2902 |
| Document Number | 0062240320 |
| Book / Page | 006224 / 000320 |
| Instrument Date | Oct 25, 2017 |
| Instrument | 292858 |
| Transaction Type | Transfer |
| Record Updated | Dec 4, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 431 HILLSIDE AVE WESTFIELD NJ 070902902, WESTFIELD, NJ 07090-2902 |
The 2025 property tax bill for 431 Hillside Ave was $51,419, up 1.8% from the year before.
Source: Union County and Westfield Town assessment roll, as of July 8, 2026
| Type | Name |
|---|---|
| State | New Jersey |
| County | Union County |
| Municipality | Westfield Town |
| Unified School District | Westfield Town School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $2,243,400 (-) Land $1,245,000 Building $998,400 | $2,243,400 (-) Land $1,245,000 Building $998,400 | |
| 2025 | $51,419.00 (+1.78%) | $2,243,400 Land $1,245,000 Building $998,400 | $2,243,400 Land $1,245,000 Building $998,400 |
| 2024 | $50,521.00 | ||
| 2023 | $2,243,400 Land $1,245,000 Building $998,400 | $2,243,400 Land $1,245,000 Building $998,400 | |
| 2022 | $48,457.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 431 Hillside Ave in Zone X, an area of minimal flood risk.
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 | 6 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.
Wildfire risk around 431 Hillside Ave is low, with 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 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 - RARITAN private · serves 615,430 people · EPA ID NJ2004002 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 2024 |
| Lead | 1 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 261 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 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
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