Mercer County and Princeton property record for 239 Riverside Dr, Princeton, NJ 08540
| Property Type | Single Family Home |
|---|---|
| Details | 2,219 sqft · built 1955 |
| Lot Size | 0.78 acres (33,977 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $20,875 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 14-08804-0000-00019 |
| Primary APN | 14-08804-0000-00019 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,219 sqft Living Area |
| 1st Floor Area | 2,219 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Construction Type | Frame |
| Lot Area | 33,977 sqft (0.78 acres) |
| Parking Spaces | 2 Parking Spaces |
| Account Number | 00001337 |
|---|---|
| Street Address | 239 RIVERSIDE DR |
| City | PRINCETON |
| State | NJ |
| Zip | 08540-5430 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R5 |
| Legal Description | B-28,L-171 |
| Legal Block | 8804 |
| Legal Lot Number | 19 |
| Jurisdiction | MERCER NJ |
| Township / Civil Division | PRINCETON |
| Census Block Group | 4 |
| Census Block | 4019 |
| Census Tract | 4204 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Lake Carnegie Historic District listed 1990 · 6 contributing resources · NRIS 90001000 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
239 Riverside Dr is owned and occupied by two individuals.
Source: Mercer County and Princeton records, as of July 6, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 239 RIVERSIDE DR, PRINCETON, NJ 08540-5430 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 239 Riverside Dr was $20,875, up 2.6% from the year before.
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 | $763,800 (-) Land $578,000 Building $185,800 | $763,800 (-) Land $578,000 Building $185,800 | |
| 2025 | $20,875.00 (+2.64%) | $763,800 Land $578,000 Building $185,800 | $763,800 Land $578,000 Building $185,800 |
| 2024 | $20,339.00 | ||
| 2023 | $763,800 Land $578,000 Building $185,800 | $763,800 Land $578,000 Building $185,800 | |
| 2022 | $18,575.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 239 Riverside Dr in Zone X, an area of minimal flood risk, though there have been 12 flood claims nearby since 1984.
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 |
| Flood Insurance Cost | Premium on File median of 16 policies |
| Nearby Flood Policies | 16 in force |
| Nearby Flood Claims | 12 (1984–2024) |
| Claims Outside the SFHA | 9 of 12 |
| Most Recent Claim | Apr 2024 · rainfall accumulation |
| 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.
Wildfire risk around 239 Riverside Dr 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 | 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 181 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 | 1,200 / 35 |
May also be available: T-Mobile.
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