Mercer County and Princeton property record for 51 Prospect Ave, Princeton, NJ 08540
| Property Type | Vacant Land |
|---|---|
| Details | 11,470 sqft |
| Lot Size | 1.29 acres (56,550 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $81,990 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 14-00049-01-00006 |
| Primary APN | 14-00049-01-00006 |
|---|---|
| Alternative APN |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 11,470 sqft |
| Exterior Material | Brick |
|---|---|
| Construction Type | Brick |
| Lot Area | 56,550 sqft |
| Lot Dimensions | 377 ft deep x 150 ft wide |
| Street Address | 51 PROSPECT AVE |
|---|---|
| City | PRINCETON |
| State | NJ |
| Zip | 08540-5210 |
| Property Category | Vacant Land |
| Property Type | Vacant Land > Uncategorized |
| Local Zoning Code | E2 |
| Legal Description | B-49,L-6 |
| Legal Block | 49.1 |
| Legal Lot Number | 6 |
| Jurisdiction | MERCER NJ |
| Township / Civil Division | PRINCETON |
| Census Block Group | 3 |
| Census Block | 3019 |
| Census Tract | 4501 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Princeton Historic District (Boundary Increase) listed 2017 · 1 contributing resources · NRIS 75001143 |
|---|---|
| Individually Listed | University Cottage Club listed 1999 · 4 contributing resources · NRIS 99001315 |
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Mercer County and Princeton records, 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 | Company Name on Record |
|---|---|
| Mailing Address | 51 PROSPECT AVE, PRINCETON, NJ 08540-5210 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| 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 | $3,000,000 (-) Land $848,700 Building $2,151,300 | $3,000,000 (-) Land $848,700 Building $2,151,300 | |
| 2025 | $81,990.00 (+2.63%) | $3,000,000 (-) Land $848,700 Building $2,151,300 | $3,000,000 (-) Land $848,700 Building $2,151,300 |
| 2024 | $79,890.00 (+9.5%) | ||
| 2023 | $3,000,000 Land $848,700 Building $2,151,300 | $3,000,000 Land $848,700 Building $2,151,300 | |
| 2022 | $72,960.00 |
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 |
|---|---|
| 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 94% of the US · lower than 83% of New Jersey |
|---|---|
| Wildfire Likelihood | Under 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 2 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
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