Union County and Westfield Town property record for 166 Mountain Ave, Westfield, NJ 07090
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 3,240 sqft · built 1870 |
| Lot Size | 0.23 acres (10,001 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,250,000 (Jul 2022) |
| Tax Bill | $16,363 (2025) |
| Deeds & Mortgages | Dec 2022 Construction Loan Nov 2022 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 20-02403-0000-00031 |
| Primary APN | 20-02403-0000-00031 |
|---|---|
| Alternative APN |
|
| Units | 2 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 3,240 sqft Total Area |
| Year Built | Built 1870 |
|---|---|
| Effective Year Built | Effective 1870 |
| Architectural Style | Colonial |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Lot Area | 10,001 sqft (0.23 acres) |
| Lot Dimensions | 200 ft deep x 50 ft wide |
| Garage Type | Detached |
| Parking Spaces | 1 Parking Space |
| Street Address | 166 MOUNTAIN AVE |
|---|---|
| City | WESTFIELD |
| State | NJ |
| Zip | 07090-3131 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Legal Block | 2403 |
| Legal Lot Number | 31 |
| Jurisdiction | UNION NJ |
| Township / Civil Division | WESTFIELD |
| Census Block Group | 1 |
| Census Block | 1019 |
| Census Tract | 36600 |
Source: Union County and Westfield Town records, as of July 8, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 166 MOUNTAIN AVE, WESTFIELD, NJ 07090-3131 |
| Owner Type | Company |
| Date | Document |
|---|---|
| Dec 21, 2022 | Deed of Trust, Mortgage · Construction Mortgage PEAPACK GLADSTONE BANK |
| Nov 18, 2022 | Deed of Trust, Mortgage · Commercial Mortgage PEAPACK GLADSTONE BANK |
| Jul 21, 2022 | Deed, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 21, 2022 · Amount on File |
| Deed Sale | Jul 21, 2022 · Amount on File |
| Prior Sale | Oct 16, 2003 · Amount on File |
| Deed Document Number | 202220507 |
| Deed Book / Page | 6473 / 2939 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | UNION NJ |
| Property Address | 166 MOUNTAIN AVE, WESTFIELD, NJ 07090-3131 |
| Transaction Type | Mortgage |
| Record Updated | Oct 20, 2025 |
| Name | Verified Name |
|---|---|
| Address | 200 SHEFFIELD ST, MOUNTAINSIDE, NJ 07092-2314 |
| Document Number | 0153162010 |
|---|---|
| Date | Dec 21, 2022 |
| Book Page | 15316/2010 |
| Instrument | 46940 |
| Name | PEAPACK GLADSTONE BANK |
|---|---|
| Type | Bank |
| Address | BEDMINSTER, NJ 07921 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | UNION NJ |
| Property Address | 166 MOUNTAIN AVE, WESTFIELD, NJ 07090-3131 |
| Transaction Type | Mortgage |
| Record Updated | Oct 20, 2025 |
| Name | Verified Name |
|---|---|
| Address | 200 SHEFFIELD ST, MOUNTAINSIDE, NJ 07092-2314 |
| Document Number | 0153042428 |
|---|---|
| Date | Nov 18, 2022 |
| Book Page | 15304/2428 |
| Instrument | 45618 |
| Name | PEAPACK GLADSTONE BANK |
|---|---|
| Type | Bank |
| Address | BEDMINSTER, NJ 07921 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Deed |
|---|---|
| Jurisdiction | UNION NJ |
| Recording Date | Jul 21, 2022 |
| Property Address | 166 MOUNTAIN AVE, WESTFIELD, NJ 07090-3131 |
| Document Number | 0064732939 |
| Book / Page | 6473 / 2939 |
| Instrument Date | Jun 30, 2022 |
| Instrument | 20507 |
| Transaction Type | Transfer |
| Record Updated | Oct 20, 2025 |
| Amount | Amount on Record |
|---|---|
| Tax | $25,100.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 166 MOUNTAIN AVE, WESTFIELD, NJ 07090-3131 |
| Name | Verified Name |
|---|---|
| Address | 166 MOUNTAIN AVE, WESTFIELD, NJ 07090-3131 |
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 | $780,200 (+9.29%) Land $442,800 Building $337,400 | $780,200 (+9.29%) Land $442,800 Building $337,400 | |
| 2025 | $16,363.00 (+1.78%) | $713,900 (-) Land $442,800 Building $271,100 | $713,900 (-) Land $442,800 Building $271,100 |
| 2024 | $16,077.00 (+4.26%) | ||
| 2023 | $713,900 Land $442,800 Building $271,100 | $713,900 Land $442,800 Building $271,100 | |
| 2022 | $15,420.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, 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 | 4 (1979–2021) |
| Claims Outside the SFHA | 4 of 4 |
| Most Recent Claim | Sep 2021 · Remnants Of Hurricane Ida |
| 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 98% of the US · lower than 94% 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 | 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 379 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 |
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