Nassau County and Oyster Bay Town property record for 27 Walden Ave, Jericho, NY 11753
| Property Type | Duplex |
|---|---|
| Details | 3 ba · 3,149 sqft · built 1954 |
| Lot Size | 0.238 acres (10,375 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $630,000 (Apr 2010) |
| Tax Bill | $22,525 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-439-00-0078 |
| Primary APN | 12-439-00-0078 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 3,149 sqft Living Area |
| 1st Floor Area | 1,127 sqft |
| Basement Area | 1,018 sqft |
| Finished Basement | 1,018 sqft |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Split Level |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Material | Other |
| Lot Area | 10,375 sqft (0.238 acres) |
| Lot Dimensions | 139 ft deep x 70 ft wide |
| Garage Type | Basement |
| Porch | Open Frame Porch |
|---|---|
| Porch Area | 32 sqft |
| Deck Area | 176 sqft |
| Patio Area | 505 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 12439 00780 |
|---|---|
| Street Address | 27 WALDEN AVE |
| City | JERICHO |
| State | NY |
| Zip | 11753-2636 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | TOWN #3 SCH DIST 015 |
| Legal Block | 439 |
| Legal Lot Number | 78 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 518502 |
27 Walden Ave, a duplex, is owned and occupied by two individuals who bought it in April 2010.
Source: Nassau County and Oyster Bay Town records, as of June 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 27 WALDEN AVE, JERICHO, NY 11753-2636 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 6, 2010 · Amount on File |
| Deed Sale | Apr 6, 2010 · Amount on File |
| Prior Sale | Apr 5, 1995 · Amount on File |
| Deed Document Number | 2010564 |
| Deed Book / Page | 12600 / 983 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 27 Walden Ave was $22,525 with a veteran's exemption.
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 |
| Unified School District | Jericho Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $810 Land $269 Building $541 | $810,000 | |
| 2025 | $22,525.00 | ||
| 2023 | $16,783.00 Disabled Person's exemption Veteran's exemption | $775 Land $258 Building $517 | $775,000 |
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 27 Walden Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1980.
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 | 3 in force |
| Nearby Flood Claims | 4 (1980–2012) |
| Claims Outside the SFHA | 4 of 4 |
| Most Recent Claim | Oct 2012 · Hurricane Sandy |
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 27 Walden 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 99.1% of the US · lower than 99.2% 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 | JERICHO WD public/private · serves 58,000 people · EPA ID NY2902831 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2023 |
| Lead | 2 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Corrosion control Jul 2023 |
| 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 583 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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