Suffolk County and Brookhaven Town property record for 21 Oak Ave, Centereach, NY 11720
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 796 sqft · built 1939 |
| Lot Size | 0.36 acres (15,682 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $7,051 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-533.00-07.00-017.001 |
| Primary APN | 0200-533.00-07.00-017.001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 796 sqft Living Area |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1939 |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 15,682 sqft (0.36 acres) |
| View / Lot | Waterfront |
| Heating System | Radiant |
|---|
| Account Number | 6113071 |
|---|---|
| Street Address | 21 OAK AVE |
| City | CENTEREACH |
| State | NY |
| Zip | 11720-1915 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | RONK CEDAR GROVE 641 B5 11 TO 13 & |
| Legal Subdivision | RONKONKOMA CEDAR GROVE |
| Legal Block | 3000 |
| Legal Lot Number | 700 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 158511 |
Source: Suffolk County and Brookhaven Town records, 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 23 EVELYN LN, CENTEREACH, NY 11720-3820 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Brookhaven Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Brookhaven Town |
| Unified School District | Middle Country Central School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,550 (-) Land $240 Building $1,310 | $322,917 (+11,151.46%) Land $45,283 Building $247,170 | |
| 2024 | $7,051.00 | ||
| 2023 | $1,550 Land $240 Building $1,310 | $2,870 Land $444 Building $2,426 |
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 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 Claims | 5 (1979–2024) |
| Claims Outside the SFHA | 5 of 5 |
| Most Recent Claim | Aug 2024 · Severe Storm And Flooding |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 95% of the US · lower than 94% of New York |
|---|---|
| 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 | SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people · EPA ID NY5110526 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2024 |
| Lead | 1 ppb (2025–2027) action level 15 ppb |
| Water Quality | Asbestos resolved · Jul 2020 |
|---|---|
| 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 428 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
May also be available: T-Mobile.
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