New York City property record for 5217 20th Ave, Brooklyn, NY 11204
| Property Type | Duplex |
|---|---|
| Details | 3,162 sqft · built 1950 |
| Lot Size | 0.058 acres (2,508 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $945,000 (Feb 2013) |
| Tax Bill | $12,427 (2025) |
| APN | 05476-0003 |
| Primary APN | 05476-0003 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 3,162 sqft Living Area |
| 1st Floor Area | 1,161 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Duplex Single |
| Construction Type | Brick |
| Lot Area | 2,508 sqft (0.058 acres) |
| Lot Dimensions | 100 ft deep x 25.1 ft wide |
| Account Number | 3-05476-0003 |
|---|---|
| Street Address | 5217 20TH AVE |
| City | BROOKLYN |
| State | NY |
| Zip | 11204-1727 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R5 |
| Legal Block | 5476 |
| Legal Lot Number | 3 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 46400 |
5217 20th Ave, a duplex, is owned by two individuals who bought it in February 2013.
Source: New York City records, as of May 4, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1817 62ND ST, BROOKLYN, NY 11204-2927 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Feb 12, 2013 · Amount on File |
| Deed Sale | Feb 12, 2013 · Amount on File |
| Prior Sale | Jan 22, 1997 · Amount on File |
| Deed Document Number | 201360393 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 5217 20th Ave was $12,427.
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 | $154,620 Land $24,600 Building $130,020 | $2,577,000 Land $410,000 Building $2,167,000 | |
| 2025 | $12,427.00 | ||
| 2023 | $11,060.00 | $123,540 Land $24,600 Building $98,940 | $2,059,000 Land $410,000 Building $1,649,000 |
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 5217 20th Ave; there have been 1 flood claim 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 Claims | 1 (1979) |
| Most Recent Claim | Jan 1979 · rainfall accumulation |
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 5217 20th 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 1,348 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Skywire Networks Fixed Wireless | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Starry.
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