Suffolk County and Brookhaven Town property record for 41 Knickerbocker Ave, Holbrook, NY 11741
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 2 ba · 2,994 sqft · built 1969 |
| Lot Size | 0.22 acres (9,583 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $8,472 (2024) |
| Deeds & Mortgages | Jul 2022 Refinance Jul 2022 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-763.00-03.00-002.000 |
| Primary APN | 0200-763.00-03.00-002.000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 2,994 sqft Total Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | Duplex Single |
| Exterior Material | Wood |
| Lot Area | 9,583 sqft (0.22 acres) |
| View / Lot | Waterfront |
| Heating System | Radiant |
|---|
| Account Number | 6524270 |
|---|---|
| Street Address | 41 KNICKERBOCKER AVE |
| City | HOLBROOK |
| State | NY |
| Zip | 11741-1725 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | PERI HOMES 2440 B4 7 |
| Legal Subdivision | PERI HOMES |
| Legal Block | 3000 |
| Legal Lot Number | 300 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 158604 |
41 Knickerbocker Ave, a duplex, is owned and occupied by two individuals who acquired it in September 2010.
Source: Suffolk County and Brookhaven Town records, as of August 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 41 KNICKERBOCKER AVE, HOLBROOK, NY 11741-1725 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants with Right of Survivorship |
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 |
|---|---|
| Jul 27, 2022 | Deed of Trust, Mortgage · Stand-Alone Refinance JPMORGAN CHASE BANK NA |
| Jul 27, 2022 | Deed, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Sep 9, 2010 |
| Transfer Doc | D126400475 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 41 KNICKERBOCKER AVE, HOLBROOK, NY 11741-1725 |
| Transaction Type | Mortgage |
| Record Updated | Nov 14, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0234420434 |
|---|---|
| Date | Jul 27, 2022 |
| Book Page | 23442/434 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 157 Months |
| Due | Aug 1, 2035 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Jul 27, 2022 |
| Property Address | 41 KNICKERBOCKER AVE, HOLBROOK, NY 11741-1725 |
| Document Number | 0131660541 |
| Book / Page | 13166 / 541 |
| Instrument Date | Mar 8, 2021 |
| Transaction Type | Transfer |
| Record Updated | Nov 14, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 41 KNICKERBOCKER AVE, HOLBROOK, NY 11741-1725 |
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 | Sachem Central School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $2,360 Land $160 Building $2,200 | $491,666 Land $30,189 Building $415,094 | |
| 2024 | $8,472.00 | ||
| 2023 | $2,360 (-) Land $160 Building $2,200 | $4,370 (+14.82%) Land $296 Building $4,074 | |
| 2022 | Veteran's exemption | $2,360 Land $160 Building $2,200 | $3,806 Land $258 Building $3,548 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 41 Knickerbocker Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026
| 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 41 Knickerbocker 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 | 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 457 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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