Mercer County and Princeton property record for 320 Prospect Ave, Princeton, NJ 08540
| Property Type | Single Family Home |
|---|---|
| Details | 2,168 sqft · built 1968 |
| Lot Size | 0.271 acres (11,792 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $372,500 (Jul 1987) |
| Tax Bill | $20,853 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 14-00056-04-00127 |
| Primary APN | 14-00056-04-00127 |
|---|---|
| Alternative APN |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 2,168 sqft Living Area |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1968 |
| Construction Type | Frame |
| Lot Area | 11,792 sqft (0.271 acres) |
| Lot Dimensions | 134 ft deep x 88 ft wide |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 320 PROSPECT AVE |
|---|---|
| City | PRINCETON |
| State | NJ |
| Zip | 08540-5331 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2 |
| Legal Description | B-56,L-127 |
| Legal Block | 56.4 |
| Legal Lot Number | 127 |
| Jurisdiction | MERCER NJ |
| Township / Civil Division | PRINCETON |
| Census Block Group | 3 |
| Census Block | 3027 |
| Census Tract | 4501 |
Source: Mercer County and Princeton assessment roll, as of July 6, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 320 PROSPECT AVE, PRINCETON, NJ 08540-5331 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 21, 1987 · Amount on Record |
| Deed Sale | Jul 21, 1987 · Amount on Record |
| Deed Book / Page | 2403 / 244 |
| Record Updated | Sep 20, 2026 |
Source: Mercer County and Princeton assessment roll, as of July 6, 2026
| Type | Name |
|---|---|
| State | New Jersey |
| County | Mercer County |
| Municipality | Princeton |
| Unified School District | Princeton Public Schools (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $763,000 (-) Land $482,500 Building $280,500 | $763,000 (-) Land $482,500 Building $280,500 | |
| 2025 | $20,853.00 (+2.63%) | $763,000 (-) Land $482,500 Building $280,500 | $763,000 (-) Land $482,500 Building $280,500 |
| 2024 | $20,318.00 (+9.5%) | ||
| 2023 | $763,000 Land $482,500 Building $280,500 | $763,000 Land $482,500 Building $280,500 | |
| 2022 | $18,556.00 |
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 May 23, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 2 (2011–2021) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Aug 2021 · 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.
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 at the parcel |
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 283 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 |
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