Suffolk County and Brookhaven Town property record for 521 Old N Ocean Ave, Patchogue, NY 11772
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,291 sqft · built 1972 |
| Lot Size | 1.03 acres (44,867 sqft) |
| Owner | Individual Name on File |
| Last Sale | $370,000 (Aug 2019) |
| Tax Bill | $11,983 (2024) |
| Deeds & Mortgages | Aug 2019 Sale Jun 2018 Sale & Construction Loan + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-953.00-01.00-021.001 |
| Primary APN | 0200-953.00-01.00-021.001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,291 sqft Living Area |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Ranch |
| Exterior Material | Frame Wood |
| Lot Area | 44,867 sqft |
| View / Lot | Waterfront |
| Heating System | Radiant |
|---|
| Account Number | 8321375 |
|---|---|
| Street Address | 521 OLD NORTH OCEAN AVE |
| City | PATCHOGUE |
| State | NY |
| Zip | 11772-2472 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N CASSEL E RULAND FUNRL S ZUMMO T50 |
| Legal Subdivision | PATCHOGUE (A TO L) |
| Legal Block | 3000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 3 |
| Census Block | 3013 |
| Census Tract | 158806 |
521 Old N Ocean Ave is owned and occupied by an individual who bought it in August 2019.
Source: Suffolk County and Brookhaven Town records, as of October 19, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 521 OLD NORTH OCEAN AVE, PATCHOGUE, NY 11772-2472 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Aug 12, 2019 | Deed, Transfer |
| Jun 21, 2018 | Grant Deed, Transfer · Construction Mortgage ERDTSIECK FAM |
| Feb 16, 2018 | Trustee's Deed, Foreclosure OTHER |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 12, 2019 · Amount on File |
| Deed Sale | Aug 12, 2019 · Amount on File |
| Prior Sale | Jun 21, 2018 · Amount on File |
| Deed Book / Page | 13023 / 677 |
| Prior Transfer Date | Mar 26, 2002 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Aug 12, 2019 |
| Property Address | 521 OLD NORTH OCEAN AVE, PATCHOGUE, NY 11772-2472 |
| Document Number | 0130230677 |
| Book / Page | 13023 / 677 |
| Instrument Date | Jun 28, 2019 |
| Transaction Type | Transfer |
| Record Updated | Aug 20, 2021 |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Jun 21, 2018 |
| Property Address | 521 OLD NORTH OCEAN AVE, PATCHOGUE, NY 11772-2472 |
| Document Number | 0129660415 |
| Book / Page | 012966 / 000415 |
| Instrument Date | May 17, 2018 |
| Transaction Type | Transfer |
| Record Updated | Jan 14, 2019 |
| Title Company | NOT AVAILABLE |
| Amount | Amount on Record |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $692.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 521 N OCEAN AVE PATCHOGUE NY 11772, PATCHOGUE, NY 11772 |
| Document Number | 229360302 |
|---|---|
| Date | Jun 21, 2018 |
| Book Page | 022936/000302 |
| Name | ERDTSIECK FAM |
|---|---|
| Address | 4501 E LA PALMA AVE # 200, ANAHEIM, CA 92807-1950 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Trustee's Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Feb 16, 2018 |
| Property Address | 521 OLD NORTH OCEAN AVE, PATCHOGUE, NY 11772-2472 |
| Document Number | 0129500582 |
| Book / Page | 012950 / 000582 |
| Instrument Date | Jan 16, 2018 |
| Transaction Type | Foreclosure |
| Record Updated | Apr 4, 2018 |
| Title Company | OTHER |
| Amount | Amount on Record |
|---|---|
| Tax | $2.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 1661 WORTHINGTON RD WEST PALM BEACH FL 334096488, WEST PALM BEACH, FL 33409-6488 |
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 | Patchogue-Medford Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,650 Land $300 Building $2,350 | $552,083 Land $56,604 Building $443,396 | |
| 2024 | $11,983.00 | ||
| 2023 | $2,650 Land $300 Building $2,350 | $4,908 Land $556 Building $4,352 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 521 Old N Ocean Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 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 521 Old N Ocean Ave 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 94% of the US · lower than 93% of New York |
|---|---|
| Wildfire Likelihood | 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 302 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 980 / 880 |
| T-Mobile Fixed Wireless | 100 / 20 |
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