New York City property record for 421 6th St, Brooklyn, NY 11215 · Last verified May 2026
| Property Type | Duplex |
|---|---|
| Details | 3,672 sqft · built 1901 |
| Lot Size | 0.046 acres (2,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $3,710,000 (Jan 2022) |
| Tax Bill | $9,153 (2025) |
| Deeds & Mortgages | Jan 2022 Sale Sep 2017 Sale |
| APN | 00989-0073 |
| Primary APN | 00989-0073 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|---|
| Stories | 3 Stories |
| Building Area | 3,672 sqft Living Area |
| 1st Floor Area | 900 sqft |
| Year Built | Built 1901 |
|---|---|
| Effective Year Built | Effective 1901 |
| Architectural Style | Duplex Single |
| Lot Area | 2,000 sqft (0.046 acres) |
| Lot Dimensions | 100 ft deep x 20 ft wide |
| Account Number | 3-00989-0073 |
|---|---|
| Street Address | 421 6TH ST |
| City | BROOKLYN |
| State | NY |
| Zip | 11215-3606 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Block | 989 |
| Legal Lot Number | 73 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 15300 |
Source: New York City records · APN 00989-0073
Assessment roll updated May 4, 2026 · Last verified May 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 File |
|---|---|
| Mailing Address | 421 6TH ST, BROOKLYN, NY 11215-3606 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
| Date | Document |
|---|---|
| Jan 18, 2022 | Deed, Transfer |
| Sep 22, 2017 | Deed, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 18, 2022 · Amount on Record |
| Deed Sale | Jan 18, 2022 · Amount on Record |
| Prior Sale | Sep 22, 2017 |
| Deed Document Number | 202225537 |
| Record Updated | Jun 08, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Recording Date | Jan 18, 2022 |
| Property Address | 421 6TH ST, BROOKLYN, NY 11215-3606 |
| Document Number | 0000025537 |
| Instrument Date | Dec 28, 2021 |
| Instrument | 2022000025537 |
| Transaction Type | Transfer |
| Record Updated | Jan 25, 2022 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 421 6TH ST, 421, BROOKLYN, NY 11215-3606 |
| Name | Verified Name |
|---|---|
| Address | 421 6TH ST, BROOKLYN, NY 11215-3606 |
| Document Type | Deed |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Recording Date | Sep 22, 2017 |
| Property Address | 421 6TH ST, BROOKLYN, NY 11215-3606 |
| Document Number | 0000353275 |
| Instrument Date | Jan 31, 2017 |
| Instrument | 2017000353275 |
| Transaction Type | Transfer |
| Record Updated | Jul 09, 2021 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 421 6TH ST, 421, BROOKLYN, NY 11215-3606 |
| Name | Verified Name |
|---|---|
| Address | 421 6TH ST, BROOKLYN, NY 11215-3606 |
Source: New York City records · Assessment roll updated May 4, 2026 · Last verified May 2026
| Type | Name |
|---|---|
| State | New York |
| County | Kings County |
| Municipality | New York City |
| Unified School District | New York City Department Of Education (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $316,380 (-4.63%) Land $40,920 Building $275,460 | $5,273,000 (-4.63%) Land $682,000 Building $4,591,000 | |
| 2025 | $9,153.00 (+6%) | $331,740 (+18.34%) Land $40,920 Building $290,820 | $5,529,000 (+18.34%) Land $682,000 Building $4,847,000 |
| 2024 | $8,635.00 (+5.27%) | ||
| 2023 | $8,203.00 | $280,320 Land $40,920 Building $239,400 | $4,672,000 Land $682,000 Building $3,990,000 |
Source: FEMA National Flood Hazard Layer · FEMA OpenFEMA NFIP redacted claims and policies, census block group 360470153004, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Claims | 1 (2011) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Aug 2011, river or lake flooding, Hurricane Irene |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 2,294 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Verizon | Fiber | 2,300 / 2,300 |
| Spectrum | Cable | 1,000 / 1,000 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Starry, Verizon, Spectrum, Optimum Communications, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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