New York City property record for 337 Adelphi St, Brooklyn, NY 11238
| Property Type | Duplex |
|---|---|
| Details | 3,088 sqft · built 1899 |
| Lot Size | 0.048 acres (2,083 sqft) |
| Owner | Company Name on File |
| Tax Bill | $11,006 (2025) |
| Deeds & Mortgages | Aug 2023 Mortgage |
| APN | 02121-0015 |
| Primary APN | 02121-0015 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|---|
| Stories | 3 Stories |
| Building Area | 3,088 sqft Living Area |
| 1st Floor Area | 937 sqft |
| Year Built | Built 1899 |
|---|---|
| Effective Year Built | Effective 1899 |
| Architectural Style | Duplex Single |
| Lot Area | 2,083 sqft (0.048 acres) |
| Lot Dimensions | 100 ft deep x 20.8 ft wide |
| Account Number | 3-02121-0015 |
|---|---|
| Street Address | 337 ADELPHI ST |
| City | BROOKLYN |
| State | NY |
| Zip | 11238-6598 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R6B |
| Legal Block | 2121 |
| Legal Lot Number | 15 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 18100 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Fort Greene Historic District listed 1983 · 784 contributing resources · NRIS 83001691 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
337 Adelphi St, a duplex, is owned by a company that acquired it in November 2024.
Source: New York City records, as of May 4, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 337 ADELPHI ST, BROOKLYN, NY 11238-6598 |
| 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 | Aug 29, 2023 |
| Deed Sale | Aug 29, 2023 |
| Prior Sale | Feb 29, 2000 · Amount on File |
| Deed Document Number | 2023220470 |
| Last Transfer Date | Nov 12, 2024 |
| Transfer Doc | 0000003289 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Recording Date | Aug 29, 2023 |
| Property Address | 337 ADELPHI ST, BROOKLYN, NY 11238-6598 |
| Document Number | 0000220470 |
| Instrument Date | Aug 18, 2023 |
| Instrument | 2023000220470 |
| Transaction Type | Transfer |
| Record Updated | Sep 5, 2023 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 337 ADELPHI ST APT 1, 1, BROOKLYN, NY 11238-6598 |
| Name | Verified Name |
|---|---|
| Address | 337 ADELPHI ST APT 1, 1, BROOKLYN, NY 11238-6598 |
| Document Number | 0000220471 |
|---|---|
| Date | Aug 29, 2023 |
| Instrument | 2023000220471 |
| Name | JPMORGAN CHASE BANK, N.A. |
|---|
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 337 Adelphi St was $11,006.
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 | $220,740 Land $29,460 Building $191,280 | $3,679,000 Land $491,000 Building $3,188,000 | |
| 2025 | $11,006.00 | ||
| 2023 | $9,514.00 (+2.03%) | $206,100 (+19.52%) Land $29,460 Building $176,640 | $3,435,000 (+19.52%) Land $491,000 Building $2,944,000 |
| 2022 | $9,325.00 | $172,440 Land $29,460 Building $142,980 | $2,874,000 Land $491,000 Building $2,383,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA has no flood map on file for 337 Adelphi St; there have been 1 flood claim nearby since 2012.
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 | 3 in force |
| Nearby Flood Claims | 1 (2012) |
| Most Recent Claim | Oct 2012 · Hurricane Sandy |
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 Adelphi 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 1,496 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, Skywire Networks, Starry.
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