Nassau County and Oyster Bay Town property record for 210 Downing Ave, Sea Cliff, NY 11579
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,404 sqft · built 1952 |
| Lot Size | 0.27 acres (11,761 sqft) |
| Owner | Individual Name on File |
| Last Sale | $600,000 (Apr 2022) |
| Tax Bill | $13,040 (2025) |
| Deeds & Mortgages | Apr 2022 Sale & Mortgage Sep 2020 Sale + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 21-222-00-0455 |
| Primary APN | 21-222-00-0455 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,404 sqft Living Area |
| Gross Area | 2,108 sqft |
| 1st Floor Area | 936 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | Cape Cod |
| Exterior Material | Wood |
| Construction Type | Frame |
| Foundation Type | Block |
| Roof Material | Other |
| Lot Area | 11,761 sqft (0.27 acres) |
| Lot Dimensions | 100 ft deep x 138 ft wide |
| View / Lot | Secondary |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Frame Porch |
| Porch Area | 264 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 21222 04550 |
|---|---|
| Street Address | 210 DOWNING AVE |
| City | SEA CLIFF |
| State | NY |
| Zip | 11579-1942 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #3 SCH DIST 024 |
| Legal Block | 222 |
| Legal Lot Number | 455 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 5 |
| Census Block | 5028 |
| Census Tract | 517400 |
210 Downing Ave is owned and occupied by an individual who bought it in April 2022.
Source: Nassau County and Oyster Bay Town records, as of June 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 210 DOWNING AVE, SEA CLIFF, NY 11579-1942 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Apr 4, 2022 | Bargain and Sale Deed, Transfer · Seller Carry-Back KEVIN COSTELLO ETAL |
| Sep 8, 2020 | Warranty Deed, Transfer NOT AVAILABLE |
| Sep 8, 2020 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Oct 1, 2018 | Trustee's Deed, Foreclosure |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 4, 2022 · Amount on File |
| Deed Sale | Apr 4, 2022 · Amount on File |
| Prior Sale | Sep 8, 2020 · Amount on File |
| Deed Document Number | 2022-39842 |
| Deed Book / Page | D14227 / 912 |
| Prior Transfer Date | Aug 13, 2020 |
| Prior Transfer Doc | 0139720097 |
| Record Updated | Oct 29, 2026 |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Apr 4, 2022 |
| Property Address | 210 DOWNING AVE, SEA CLIFF, NY 11579-1942 |
| Document Number | D142270912 |
| Book / Page | D14227 / 912 |
| Instrument Date | Mar 18, 2022 |
| Instrument | 2022-39842 |
| Transaction Type | Transfer |
| Record Updated | Apr 27, 2022 |
| Title Company | EQUITY LAND ABSTRACT INC, EQUITY LAND ABSTRACT |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $2,400.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 375 LITTLEWORTH LN, SEA CLIFF, NY 11579-1919 |
| Document Number | 0202239843 |
|---|---|
| Date | Apr 4, 2022 |
| Instrument | 2022-39843 |
| Name | KEVIN COSTELLO ETAL |
|---|---|
| Type | Seller |
| Type | Seller Carry-Back |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Apr 1, 2037 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Sep 8, 2020 |
| Property Address | 210 DOWNING AVE, SEA CLIFF, NY 11579-1942 |
| Document Number | 0139720101 |
| Book / Page | 013972 / 000101 |
| Instrument Date | Aug 13, 2020 |
| Instrument | 81883 |
| Transaction Type | Transfer |
| Record Updated | Oct 12, 2020 |
| Title Company | NOT AVAILABLE |
| Amount | Amount on Record |
|---|---|
| Tax | $2,160.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 375 LITTLEWORTH LN SEA CLIFF NY 115791919, SEA CLIFF, NY 11579-1919 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Sep 8, 2020 |
| Property Address | 210 DOWNING AVE, SEA CLIFF, NY 11579-1942 |
| Document Number | 0139720097 |
| Book / Page | 013972 / 000097 |
| Instrument Date | Aug 13, 2020 |
| Instrument | 81882 |
| Transaction Type | Transfer |
| Record Updated | Oct 12, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 8950 CYPRESS WATERS BLVD COPPELL TX 750194620, COPPELL, TX 75019-4620 |
| Document Type | Trustee's Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Oct 1, 2018 |
| Property Address | 210 DOWNING AVE, SEA CLIFF, NY 11579-1942 |
| Document Number | 0137130688 |
| Book / Page | 013713 / 000688 |
| Instrument Date | Aug 21, 2018 |
| Instrument | 87826 |
| Transaction Type | Foreclosure |
| Record Updated | Oct 29, 2018 |
| Amount | Amount on Record |
|---|---|
| Tax | $2,840.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 8950 CYPRESS WATERS BLVD COPPELL TX 750194620, COPPELL, TX 75019-4620 |
The 2025 property tax bill for 210 Downing Ave was $13,040.
Source: Nassau County and Oyster Bay Town assessment roll, as of June 17, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Nassau County |
| County Subdivision | Oyster Bay Town |
| Municipality | Sea Cliff Village |
| Unified School District | North Shore Central School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $617 (-2.06%) Land $335 Building $282 | $617,000 (-2.06%) | |
| 2025 | $13,040.00 | $630 Land $342 Building $288 | $630,000 |
| 2023 | $13,210.00 Additional exemption filed | $689 Land $345 Building $344 | $689,000 |
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 210 Downing Ave in Zone X, an area of minimal flood risk, though there have been 7 flood claims nearby since 1978.
Source: FEMA National Flood Hazard Layer, effective April 5, 2023 · 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 | 7 in force |
| Nearby Flood Claims | 7 (1978–2011) |
| Claims Outside the SFHA | 3 of 7 |
| Most Recent Claim | Aug 2011 · Hurricane Irene |
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 210 Downing 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 97% of the US · lower than 96% 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 | LIBERTY UTILITIES NEW YORK - SEA CLIFF private · serves 13,400 people · EPA ID NY2902853 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2024 |
| Lead | Under 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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 513 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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