New York City property record for 6401 20th Ave, Brooklyn, NY 11204
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 3,600 sqft · built 1931 |
| Lot Size | 0.041 acres (1,770 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,580,000 (Oct 2020) |
| Tax Bill | $11,126 (2025) |
| Deeds & Mortgages | Oct 2020 Sale |
| APN | 05549-0010 |
| Primary APN | 05549-0010 |
|---|---|
| Alternative APNs |
|
| Units | 4 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 3,600 sqft Gross Area |
| 1st Floor Area | 1,770 sqft |
| Year Built | Built 1931 |
|---|---|
| Effective Year Built | Effective 1931 |
| Lot Area | 1,770 sqft (0.041 acres) |
| Lot Dimensions | 90 ft deep x 19.7 ft wide |
| View / Lot | Corner |
| Account Number | 3-05549-0010 |
|---|---|
| Street Address | 6401 20TH AVE |
| City | BROOKLYN |
| State | NY |
| Zip | 11204-3905 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Local Zoning Code | R5 |
| Legal Block | 5549 |
| Legal Lot Number | 10 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 25400 |
6401 20th Ave, a commercial property, is owned by a company that bought it in October 2020.
Source: New York City records, as of May 4, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 805 57TH ST, BROOKLYN, NY 11220-3697 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
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 | Name on Deed |
|---|---|
| Last Sale | Oct 2, 2020 · Amount on File |
| Deed Sale | Oct 2, 2020 · Amount on File |
| Prior Sale | Mar 26, 2012 |
| Deed Document Number | 2020268717 |
| Prior Transfer Date | Apr 7, 2000 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Recording Date | Oct 2, 2020 |
| Property Address | 6401 20TH AVE, BROOKLYN, NY 11204-3905 |
| Document Number | 0000268717 |
| Instrument Date | Sep 16, 2020 |
| Instrument | 268717 |
| Transaction Type | Transfer |
| Record Updated | Oct 26, 2020 |
| Title Company | CORNERSTONE ABSTRACT, CORNERSTONE LAND ABSTRACT |
| Amount | Amount on Record |
|---|---|
| Tax | $6,320.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 805 57TH ST #4TH BROOKLYN NY 112203697, 4TH, BROOKLYN, NY 11220-3697 |
The 2025 property tax bill for 6401 20th Ave was $11,126.
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 | $126,060 Land $17,340 Building $108,720 | $2,101,000 Land $289,000 Building $1,812,000 | |
| 2025 | $11,126.00 | ||
| 2023 | $9,992.00 | $114,000 Land $17,340 Building $96,660 | $1,900,000 Land $289,000 Building $1,611,000 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA has no flood map on file for 6401 20th Ave.
Source: FEMA National Flood Hazard Layer
| FEMA Flood Zone | Not on file |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
The area around 6401 20th Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 2,047 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 |
May also be available: Skywire Networks, Starry, T-Mobile.
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