New York City property record for 730 Knickerbocker Ave, Brooklyn, NY 11221
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 5,280 sqft · built 1910 |
| Lot Size | 0.051 acres (2,200 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $15,804 (2025) |
| Deeds & Mortgages | Mar 2023 Mortgage Jan 2023 Sale |
| APN | 03391-0039 |
| Primary APN | 03391-0039 |
|---|---|
| Alternative APNs |
|
| Units | 13 Units |
|---|---|
| Stories | 3 Stories |
| Building Area | 5,280 sqft Living Area |
| 1st Floor Area | 1,760 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Architectural Style | Multi-Family |
| Lot Area | 2,200 sqft (0.051 acres) |
| Lot Dimensions | 100 ft deep x 22 ft wide |
| View / Lot | Corner |
| Account Number | 3-03391-0039 |
|---|---|
| Street Address | 730 KNICKERBOCKER AVE |
| City | BROOKLYN |
| State | NY |
| Zip | 11221-5314 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Local Zoning Code | R6 |
| Legal Block | 3391 |
| Legal Lot Number | 39 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 43700 |
Source: New York City records, as of August 13, 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 | 730 KNICKERBOCKER AVE, BROOKLYN, NY 11221-5314 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Living Trust |
| Date | Document |
|---|---|
| Mar 6, 2023 | Deed of Trust, Mortgage LYONS MORTGAGE SERVICES, INC. |
| Jan 30, 2023 | Deed, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 15, 2025 |
| Deed Sale | Aug 15, 2025 |
| Prior Sale | Apr 9, 2014 · Amount on Record |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Property Address | 730 KNICKERBOCKER AVE, BROOKLYN, NY 11221-5314 |
| Transaction Type | Mortgage |
| Record Updated | Mar 15, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0000057801 |
|---|---|
| Date | Mar 6, 2023 |
| Instrument | 2023000057801 |
| Name | LYONS MORTGAGE SERVICES, INC. |
|---|---|
| Address | 4802 25TH AVE, ASTORIA, NY 11103 |
| Amount | Amount Recorded |
|---|
| Document Type | Deed |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Recording Date | Jan 30, 2023 |
| Property Address | 730 KNICKERBOCKER AVE, BROOKLYN, NY 11221-5314 |
| Document Number | 0000026415 |
| Instrument Date | Jan 26, 2023 |
| Instrument | 2023000026415 |
| Transaction Type | Transfer |
| Record Updated | Feb 7, 2023 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 224 TROUTMAN ST, BROOKLYN, NY 11237-2198 |
| Name | Verified Name |
|---|---|
| Address | 730 KNICKERBOCKER AVE, BROOKLYN, NY 11221-5314 |
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 | $653,850 (+19.29%) Land $79,200 Building $574,650 | $1,453,000 (+19.29%) Land $176,000 Building $1,277,000 | |
| 2025 | $15,804.00 (+7.97%) | $548,100 (+43.97%) Land $79,200 Building $468,900 | $1,218,000 (+43.97%) Land $176,000 Building $1,042,000 |
| 2024 | $14,637.00 (+7.98%) | ||
| 2023 | $13,555.00 | $380,700 Land $79,200 Building $301,500 | $846,000 Land $176,000 Building $670,000 |
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.
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