Middlesex County and Middlesex Borough property record for 605 Mountain Ave, Middlesex, NJ 08846
| Property Type | Single Family Home |
|---|---|
| Details | 1,912 sqft · built 1934 |
| Lot Size | 0.287 acres (12,502 sqft) |
| Owner | Company Name on File |
| Last Sale | $195,000 (Mar 2003) |
| Tax Bill | $11,732 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-00312-0000-00027 |
| Primary APN | 10-00312-0000-00027 |
|---|---|
| Alternative APN |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 1,912 sqft Living Area |
| Year Built | Built 1934 |
|---|---|
| Effective Year Built | Effective 1935 |
| Exterior Material | Stucco |
| Lot Area | 12,502 sqft (0.287 acres) |
| Lot Dimensions | 125 ft deep x 100 ft wide |
| Street Address | 605 MOUNTAIN AVE |
|---|---|
| City | MIDDLESEX |
| State | NJ |
| Zip | 08846-2458 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R60B |
| Legal Description | 100X125 30-32 |
| Legal Block | 312 |
| Legal Lot Number | 27 |
| Jurisdiction | MIDDLESEX NJ |
| Township / Civil Division | MIDDLESEX |
| Census Block Group | 3 |
| Census Block | 3016 |
| Census Tract | 200 |
605 Mountain Ave is owned by a company that bought it in March 2003.
Source: Middlesex County and Middlesex Borough records, as of June 30, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1200 S 9TH ST, SOUTH PLAINFIELD, NJ 07080-1604 |
| Owner Type | Company |
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 | Mar 8, 2003 · Amount on File |
| Deed Sale | Mar 8, 2003 · Amount on File |
| Deed Book / Page | 5154 / 237 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 605 Mountain Ave was $11,732, up 13.4% from the year before.
Source: Middlesex County and Middlesex Borough assessment roll, as of June 30, 2026
| Type | Name |
|---|---|
| State | New Jersey |
| County | Middlesex County |
| Municipality | Middlesex Borough |
| Unified School District | Middlesex Borough School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $592,100 (+6.99%) Land $143,900 Building $448,200 | $592,100 (+6.99%) Land $143,900 Building $448,200 | |
| 2025 | $11,732.00 (+13.43%) | $553,400 Land $143,900 Building $409,500 | $553,400 Land $143,900 Building $409,500 |
| 2024 | $10,343.00 | ||
| 2023 | $447,000 Land $143,900 Building $303,100 | $447,000 Land $143,900 Building $303,100 | |
| 2022 | $8,535.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 605 Mountain Ave in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1978.
Source: FEMA National Flood Hazard Layer, effective December 16, 2021 · 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 | 1 in force |
| Nearby Flood Claims | 6 (1978–2014) |
| Claims Outside the SFHA | 3 of 6 |
| Most Recent Claim | May 2014 · 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.
The area around 605 Mountain Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 572 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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