Suffolk County and Riverhead Town property record for 939 Union Ave, Riverhead, NY 11901
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,032 sqft · built 1987 |
| Lot Size | 5 acres (217,800 sqft) |
| Owner | Company Name on File |
| Last Sale | $500,000 (Nov 2014) |
| Tax Bill | $9,944 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 473000 66.-1-4.2 |
| Primary APN | 473000 66.-1-4.2 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 2,032 sqft Living Area |
| Gross Area | 2,256 sqft |
| 1st Floor Area | 1,152 sqft |
| Upper Floors Area | 880 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Rustic |
| Exterior Material | Wood |
| Foundation Type | No Foundation |
| Lot Area | 217,800 sqft |
| View / Lot | Canal |
| Garage Area | 532 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Covered Porch |
| Porch Area | 440 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 23 |
|---|---|
| Street Address | 939 UNION AVE |
| City | RIVERHEAD |
| State | NY |
| Zip | 11901-1908 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 04 |
| Legal Block | 1 |
| Legal Lot Number | 4 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | RIVERHEAD |
| Census Block Group | 3 |
| Census Block | 3020 |
| Census Tract | 169906 |
939 Union Ave is owned by a company that bought it in November 2014.
Source: Suffolk County and Riverhead Town records, as of August 11, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 524, AQUEBOGUE, NY 11931-0524 |
| Owner Type | Company |
| Vesting | 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 | Nov 18, 2014 · Amount on File |
| Deed Sale | Nov 18, 2014 · Amount on File |
| Deed Book / Page | D00012796 / 340 |
| Prior Transfer Date | Apr 19, 2012 |
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Riverhead Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Riverhead Town |
| Unified School District | Riverhead Central School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $72,900 Land $29,000 Building $43,900 | $893,382 Land $355,392 Building $537,990 | |
| 2024 | $9,944.00 | ||
| 2023 | $72,900 Land $29,000 Building $43,900 | $784,715 Land $312,164 Building $472,551 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 939 Union Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · 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 28 policies |
| Nearby Flood Policies | 28 in force |
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 939 Union Ave is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · lower than 89% of New York |
|---|---|
| Wildfire Likelihood | 0.02% 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 | RIVERHEAD WATER DISTRICT serves 35,000 people · EPA ID NY5103705 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2025 |
| Lead | 2 ppb (2025–2027) action level 15 ppb |
| Water Quality | Nitrite resolved · Jul 2023 |
|---|---|
| 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 37 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Cable · Fiber in parts of the area | 940 / 35 |
| T-Mobile Fixed Wireless | 100 / 20 |
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