New York City property record for 578 Ralph Ave, Brooklyn, NY 11233
| Property Type | Cooperative Housing Block |
|---|---|
| Details | 14,400 sqft · built 1922 |
| Lot Size | 0.092 acres (4,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $62,500 (Mar 2017) |
| Tax Bill | $40,699 (2025) |
| Deeds & Mortgages | Mortgage |
| APN | 01387-0052 |
| Primary APN | 01387-0052 |
|---|---|
| Alternative APNs |
|
| Units | 38 Units |
|---|---|
| Stories | 4 Stories |
| Building Area | 14,400 sqft Living Area |
| 1st Floor Area | 3,600 sqft |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1922 |
| Lot Area | 4,000 sqft (0.092 acres) |
| Lot Dimensions | 100 ft deep x 40 ft wide |
| View / Lot | Corner |
| Account Number | 3-01387-0052 |
|---|---|
| Street Address | 578 RALPH AVE |
| City | BROOKLYN |
| State | NY |
| Zip | 11233-5155 |
| Property Category | Residential |
| Property Type | Residential > Cooperative > Cooperative Housing Block |
| Local Zoning Code | R6 |
| Legal Block | 1387 |
| Legal Lot Number | 52 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 35900 |
578 Ralph Ave, a cooperative housing block, is owned by an individual who bought it in March 2017.
Source: New York City records, as of May 4, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 37 AVENUE B, NEW YORK, NY 10009-7441 |
| Owner Type | Individual |
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 | Mar 8, 2017 · Amount on File |
| Deed Sale | Mar 8, 2017 · Amount on File |
| Prior Sale | Dec 20, 2016 · Amount on File |
| Deed Document Number | 201792919 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Property Address | 578-580 RALPH AVE, BROOKLYN, NY 11233 |
| Transaction Type | Mortgage |
| Record Updated | Jan 24, 2024 |
| Name | Verified Name |
|---|---|
| Address | 578 RALPH AVE 5B, 5B, BROOKLYN, NY 11233-5164 |
The 2025 property tax bill for 578 Ralph Ave was $40,699.
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 | $441,900 Land $14,850 Building $427,050 | $982,000 Land $33,000 Building $949,000 | |
| 2025 | $40,699.00 | ||
| 2023 | $38,209.00 Additional exemption filed | $373,500 Land $14,850 Building $358,650 | $830,000 Land $33,000 Building $797,000 |
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 578 Ralph 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 578 Ralph 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 978 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 |
| Optimum Cable · Fiber in parts of the area | 940 / 35 |
May also be available: ResiBridge, Skywire Networks, Starry, T-Mobile.
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