Putnam County and Carmel Town property record for 18 Walnut Dr, Mahopac, NY 10541
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,100 sqft · built 1962 |
| Lot Size | 0.892 acres (38,880 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $115,000 (Aug 2003) |
| Tax Bill | $14,102 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 372000 74.16-1-4 |
| Primary APN | 372000 74.16-1-4 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 2,100 sqft Living Area |
| 1st Floor Area | 1,260 sqft |
| Basement Area | 840 sqft |
| Finished Basement | 840 sqft |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1962 |
| Architectural Style | Raised Ranch |
| Exterior Material | Wood |
| Lot Area | 38,880 sqft (0.892 acres) |
| Lot Dimensions | 144 ft deep x 270 ft wide |
| View / Lot | Waterfront |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 288 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Sewer | Connected |
| Account Number | 266878 |
|---|---|
| Street Address | 18 WALNUT DR |
| City | MAHOPAC |
| State | NY |
| Zip | 10541-1264 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Subdivision | MAP OF RUSSELL HEIGHTS |
| Legal Block | 1 |
| Legal Lot Number | 4.000 |
| Jurisdiction | PUTNAM NY |
| Township / Civil Division | CARMEL |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 11201 |
18 Walnut Dr is owned and occupied by two individuals who bought it in August 2003.
Source: Putnam County and Carmel Town records, as of April 29, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 18 WALNUT DR, MAHOPAC, NY 10541-1264 |
| 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 | Aug 27, 2003 · Amount on File |
| Deed Sale | Aug 27, 2003 · Amount on File |
| Deed Book / Page | 1632 / 430 |
| Prior Transfer Date | Aug 8, 2003 |
| Prior Transfer Doc | 0016320430 |
| Record Updated | Jun 8, 2026 |
Source: Putnam County and Carmel Town assessment roll, as of April 29, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Putnam County |
| County Subdivision | Carmel Town |
| Unified School District | Mahopac Central School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $554,200 (+7.01%) Land $106,200 Building $448,000 | $554,200 (+7.01%) Land $106,200 Building $448,000 | |
| 2024 | $14,102.00 | $517,900 (+5.01%) Land $106,200 Building $411,700 | $517,900 (+5.01%) Land $106,200 Building $411,700 |
| 2023 | $493,200 (+11.01%) Land $96,500 Building $396,700 | $493,200 (+11.01%) Land $96,500 Building $396,700 | |
| 2022 | $444,300 Land $96,500 Building $347,800 | $444,300 Land $96,500 Building $347,800 | |
| 2020 | $3,653.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18 Walnut Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective March 4, 2013
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 18 Walnut Dr 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 80% of the US · above 54% 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 | CARMEL WD 3 serves 1,350 people · EPA ID NY3903642 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2026 |
| Lead | Under 1 ppb (2024) 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 182 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Xfinity Cable | 1,200 / 35 |
May also be available: Optimum.
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