New York City property record for 337 21st St, Brooklyn, NY 11215
| Property Type | Duplex |
|---|---|
| Details | 2,110 sqft · built 1925 |
| Lot Size | 0.058 acres (2,504 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,495,000 (Jul 2021) |
| Tax Bill | $8,103 (2025) |
| Deeds & Mortgages | Jul 2021 Sale & Mortgage |
| APN | 00892-0060 |
| Primary APN | 00892-0060 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,110 sqft Living Area |
| 1st Floor Area | 684 sqft |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Architectural Style | Duplex Single |
| Construction Type | Brick |
| Lot Area | 2,504 sqft (0.058 acres) |
| Lot Dimensions | 100 ft deep x 25 ft wide |
| Account Number | 3-00892-0060 |
|---|---|
| Street Address | 337 21ST ST |
| City | BROOKLYN |
| State | NY |
| Zip | 11215-6405 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R6B |
| Legal Block | 892 |
| Legal Lot Number | 60 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 14700 |
337 21st St, a duplex, is owned and occupied by two individuals who bought it in July 2021.
Source: New York City records, as of May 4, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 337 21ST ST, BROOKLYN, NY 11215-6405 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Individual(s) |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Jul 9, 2021 · Amount on File |
| Deed Sale | Jul 9, 2021 · Amount on File |
| Prior Sale | Jan 23, 2014 · Amount on File |
| Deed Document Number | 2021260573 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Recording Date | Jul 9, 2021 |
| Property Address | 337 21ST ST, BROOKLYN, NY 11215-6405 |
| Document Number | 0000260573 |
| Instrument Date | Jun 23, 2021 |
| Instrument | 2021000260573 |
| Transaction Type | Transfer |
| Record Updated | Jan 4, 2024 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 17 PEACH TREE LN, BRIARCLIFF MANOR, NY 10510-2638 |
| Name | Verified Name |
|---|---|
| Address | 337 21ST ST, BROOKLYN, NY 11215-6405 |
| Document Number | 0000260574 |
|---|---|
| Date | Jul 9, 2021 |
| Instrument | 2021000260574 |
| Name | UNITED WHOLESALE MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Amount | Amount on Record |
|---|
| Document Number | 0000260575 |
|---|---|
| Date | Jul 9, 2021 |
| Instrument | 2021000260575 |
| Name | STERN, AADEN |
|---|---|
| Address | 337 21ST ST, BROOKLYN, NY 11215 |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 337 21st St was $8,103.
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 | $150,960 Land $20,940 Building $130,020 | $2,516,000 Land $349,000 Building $2,167,000 | |
| 2025 | $8,103.00 | ||
| 2023 | $7,699.00 | $129,600 Land $20,940 Building $108,660 | $2,160,000 Land $349,000 Building $1,811,000 |
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 337 21st St; there have been 11 flood claims nearby since 1979.
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 | 39 units insured incl. 32 condo units |
| Nearby Flood Claims | 11 (1979–2026) |
| Claims Outside the SFHA | 4 of 11 |
| Most Recent Claim | Aug 2026 · other causes |
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.
The area around 337 21st St 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 1,605 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 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Optimum, Starry.
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