Suffolk County and Riverhead Town property record for 21 Wilson Ave, Riverhead, NY 11901
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.5 ba · 1,422 sqft · built 1955 |
| Lot Size | 0.33 acres (14,375 sqft) |
| Owner | Company Name on File |
| Last Sale | $165,000 (Dec 2014) |
| Tax Bill | $5,554 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 473000 105.-2-68 |
| Primary APN | 473000 105.-2-68 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,422 sqft Living Area |
| 1st Floor Area | 1,422 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Ranch |
| Exterior Material | Composition/Composite |
| Lot Area | 14,375 sqft (0.33 acres) |
| Lot Dimensions | 240 ft deep x 60 ft wide |
| View / Lot | Canal |
| Patio Area | 144 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Water Source | Commercial |
| Account Number | 17 |
|---|---|
| Street Address | 21 WILSON AVE |
| City | RIVERHEAD |
| State | NY |
| Zip | 11901-2548 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 03 |
| Legal Description | *1544 LOT 57 MILL BROOK GABLES |
| Legal Subdivision | MILL BROOK GABLES |
| Legal Block | 2 |
| Legal Lot Number | 68 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | RIVERHEAD |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 169800 |
21 Wilson Ave is owned by a company that bought it in December 2014.
Source: Suffolk County and Riverhead Town records, as of August 11, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 865 OLD COUNTRY RD, 118, RIVERHEAD, NY 11901-2106 |
| 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 | Dec 12, 2014 · Amount on File |
| Deed Sale | Dec 12, 2014 · Amount on File |
| Prior Sale | Nov 29, 2013 · Amount on File |
| Deed Book / Page | 12799 / 854 |
| 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 | $26,000 Land $6,900 Building $19,100 | $318,627 Land $84,559 Building $234,069 | |
| 2024 | $5,554.00 | ||
| 2023 | $26,000 Land $6,900 Building $19,100 | $279,870 Land $74,273 Building $205,597 |
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 21 Wilson Ave in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1979.
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 |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 5 (1979–2010) |
| Claims Outside the SFHA | 5 of 5 |
| Most Recent Claim | Mar 2010 · Severe Storms And 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.
Wildfire risk around 21 Wilson Ave is low, with less than 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 98% of the US · lower than 97.9% of New York |
|---|---|
| Wildfire Likelihood | Under 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 | 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 187 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
May also be available: T-Mobile.
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