New York City property record for 421 Adelphi St, Apt G, Brooklyn, NY 11238
| Property Type | Condominium |
|---|---|
| Details | 1,153 sqft |
| Owner | Company Name on Record |
| Last Sale | $870,000 (Jun 2021) |
| Tax Bill | $13,550 (2025) |
| Deeds & Mortgages | Jun 2021 Sale |
| APN | 01958-1107 |
| Primary APN | 01958-1107 |
|---|---|
| Alternative APNs |
|
| Units | 9 Units |
|---|---|
| Stories | 4 Stories |
| Building Area | 1,153 sqft Living Area |
| Architectural Style | Condo/Apartment |
|---|---|
| View / Lot | Corner |
| Account Number | 3-01958-1107 |
|---|---|
| Street Address | 421 ADELPHI ST, G |
| City | BROOKLYN |
| State | NY |
| Zip | 11238-1564 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | R6B |
| Legal Block | 1958 |
| Legal Lot Number | 1107 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 17900 |
Source: New York City records, as of May 4, 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 | 421 ADELPHI ST, G, BROOKLYN, NY 11238-1564 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 1, 2021 · Amount on Record |
| Deed Sale | Jun 1, 2021 · Amount on Record |
| Deed Document Number | 2021201259 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Recording Date | Jun 1, 2021 |
| Property Address | 421 ADELPHI ST APT G, G, BROOKLYN, NY 11238-1564 |
| Document Number | 0000201259 |
| Instrument Date | May 12, 2021 |
| Instrument | 2021000201259 |
| Transaction Type | Transfer |
| Record Updated | Jan 24, 2024 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 421 ADELPHI ST, BROOKLYN, NY 11238-1562 |
| Name | Verified Name |
|---|---|
| Address | 153 COLLIER STREET, TORONTO ON M4W1M |
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 | $124,113 (+0.1%) Land $9,562 Building $114,551 | $275,805 (+0.1%) Land $21,248 Building $254,557 | |
| 2025 | $13,550.00 (+3.97%) | $123,990 (+11.99%) Land $9,562 Building $114,428 | $275,532 (+11.99%) Land $21,248 Building $254,284 |
| 2024 | $13,033.00 (+7.3%) | ||
| 2023 | $12,146.00 | $110,713 Land $9,562 Building $101,151 | $246,028 Land $21,248 Building $224,780 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
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 | 2 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 1,496 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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