Suffolk County and Riverhead Town property record for 421 Sweezy Ave, Riverhead, NY 11901
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 2 bd · 1 ba · 1,000 sqft · built 1930 |
| Lot Size | 0.15 acres (6,534 sqft) |
| Owner | Individual Name on File |
| Last Sale | $210,000 (Oct 2010) |
| Tax Bill | $6,740 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 473000 123.-2-25 |
| Primary APN | 473000 123.-2-25 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,000 sqft Living Area |
| Gross Area | 1,210 sqft |
| 1st Floor Area | 1,000 sqft |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch |
| Exterior Material | Composition/Composite |
| Lot Area | 6,534 sqft (0.15 acres) |
| Lot Dimensions | 131 ft deep x 50 ft wide |
| View / Lot | Canal |
| Garage Type | Detached |
| Garage Area | 273 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Enclosed Porch |
| Porch Area | 338 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Water Source | Commercial |
| Account Number | 04 |
|---|---|
| Street Address | 421 SWEEZY AVE |
| City | RIVERHEAD |
| State | NY |
| Zip | 11901-2940 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Local Zoning Code | 03 |
| Legal Description | *817 LT 18 WM H SWEEZY MAP 2 ABANDONED 452 0000 2 |
| Legal Block | 2 |
| Legal Lot Number | 25 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | RIVERHEAD |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 169800 |
Source: Suffolk County and Riverhead Town assessment roll, as of August 11, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 421 SWEEZY AVE, RIVERHEAD, NY 11901-2940 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 26, 2010 · Amount on Record |
| Deed Sale | Oct 26, 2010 · Amount on Record |
| Prior Sale | Oct 26, 2004 · Amount on Record |
| Deed Book / Page | D12641 / 218 |
| Prior Transfer Date | Jul 31, 1996 |
| 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 | $40,900 (+52.61%) Land $5,400 Building $35,500 | $501,225 (+73.75%) Land $66,176 Building $435,049 | |
| 2024 | $6,740.00 | ||
| 2023 | $26,800 Land $5,400 Building $21,400 | $288,482 Land $58,127 Building $230,355 |
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.
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 | 1 in force |
| Nearby Flood Claims | 3 (1979–2008) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Sep 2008 · rainfall accumulation |
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 · above 54% of New York |
|---|---|
| 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 | 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 212 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: Verizon.
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