Suffolk County and Brookhaven Town property record for 70 Old Post Rd, Mount Sinai, NY 11766
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,640 sqft · built 1976 |
| Lot Size | 0.86 acres (37,462 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $16,506 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-067.00-01.00-004.007 |
| Primary APN | 0200-067.00-01.00-004.007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,640 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1976 |
| Exterior Material | Wood |
| Lot Area | 37,462 sqft (0.86 acres) |
| View / Lot | Lake Front |
| Heating System | Forced Air with A/C |
|---|
| Account Number | 8707921 |
|---|---|
| Street Address | 70 OLD POST RD |
| City | MOUNT SINAI |
| State | NY |
| Zip | 11766-1100 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N OLD PST RD&TRNCH E ZANER,C S MT S |
| Legal Subdivision | MT SINAI |
| Legal Block | 7000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 158205 |
Source: Suffolk County and Brookhaven Town records, as of August 11, 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 Record |
|---|---|
| Mailing Address | 70 OLD POST RD, MOUNT SINAI, NY 11766-1100 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name 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 | Mount Sinai Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,300 (-) Land $350 Building $3,950 | $895,834 (+11,149.96%) Land $66,038 Building $745,283 | |
| 2024 | $16,506.00 | ||
| 2023 | $4,300 Land $350 Building $3,950 | $7,963 Land $648 Building $7,315 |
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 Policies | 4 in force |
| Nearby Flood Claims | 5 (1992–2012) |
| Most Recent Claim | Oct 2012 · Hurricane Sandy |
| 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 80% of the US · above 54% of New York |
|---|---|
| Wildfire Likelihood | 0.02% 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 78 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 |
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