New York City property record for 561 Knickerbocker Ave, Brooklyn, NY 11221
| Property Type | Cooperative Housing Block |
|---|---|
| Details | 61,650 sqft · built 1998 |
| Lot Size | 0.305 acres (13,287 sqft) |
| Owner | Company Name on Record |
| Last Sale | $2,090,834 (Oct 2021) |
| Deeds & Mortgages | Oct 2021 Sale |
| APN | 03335-0001 |
| Primary APN | 03335-0001 |
|---|---|
| Alternative APNs |
|
| Units | 86 Units |
|---|---|
| Stories | 6 Stories |
| Building Area | 61,650 sqft Living Area |
| 1st Floor Area | 10,275 sqft |
| Year Built | Built 1998 |
|---|---|
| Effective Year Built | Effective 1999 |
| Lot Area | 13,287 sqft (0.305 acres) |
| Lot Dimensions | 125 ft deep x 100 ft wide |
| View / Lot | Corner |
| Account Number | 3-03335-0001 |
|---|---|
| Street Address | 561 KNICKERBOCKER AVE |
| City | BROOKLYN |
| State | NY |
| Zip | 11221 |
| Property Category | Residential |
| Property Type | Residential > Cooperative > Cooperative Housing Block |
| Local Zoning Code | R6 |
| Legal Block | 3335 |
| Legal Lot Number | 1 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 43300 |
Source: New York City records, as of May 4, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 217 WYCKOFF AVE, BROOKLYN, NY 11237-5001 |
| Owner Type | Company |
| Vesting | Government |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 19, 2021 · Amount on Record |
| Deed Sale | Oct 19, 2021 · Amount on Record |
| Deed Document Number | 2021410334 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Recording Date | Oct 19, 2021 |
| Property Address | 561 KNICKERBOCKER AVE, BROOKLYN, NY 11221 |
| Document Number | 0000410334 |
| Instrument Date | Oct 6, 2021 |
| Instrument | 2021000410334 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2022 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 1225 17TH ST STE 14001400, 1225, DENVER, CO 80202-5534 |
| Name | Verified Name |
|---|---|
| Address | 217 WYCKOFF AVE, BROOKLYN, NY 11237-5001 |
Source: New York City assessment roll, as of May 4, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Kings County |
| Municipality | New York City |
| Unified School District | New York City Department Of Education (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $2,102,850 (+11.13%) Land $358,650 Building $1,744,200 | $4,673,000 (+11.13%) Land $797,000 Building $3,876,000 | |
| 2023 | Additional exemption filed | $1,892,250 Land $358,650 Building $1,533,600 | $4,205,000 Land $797,000 Building $3,408,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 1 in force |
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 | Not rated no burnable land within 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 | NEW YORK CITY SYSTEM serves 8,271,000 people · EPA ID NY7003493 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2025 |
| Lead | 10 ppb (2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Uncovered finished water reservoir currently in violation since Feb 2017 |
| 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 1,574 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Optimum Cable · Fiber in parts of the area | 940 / 35 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Spectrum, Starry.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures