New York City property record for 9801 Ave K, Brooklyn, NY 11236
| Property Type | Duplex |
|---|---|
| Details | 1,540 sqft · built 1955 |
| Lot Size | 0.044 acres (1,900 sqft) |
| Owner | Individual Name on File |
| Last Sale | $164,000 (Sep 1998) |
| Tax Bill | $5,319 (2025) |
| Deeds & Mortgages | May 2021 Mortgage |
| APN | 08225-0010 |
| Primary APN | 08225-0010 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|---|
| Stories | 1 Story |
| Building Area | 1,540 sqft Living Area |
| 1st Floor Area | 1,540 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Duplex Single |
| Construction Type | Brick |
| Lot Area | 1,900 sqft (0.044 acres) |
| Lot Dimensions | 95 ft deep x 20 ft wide |
| View / Lot | Corner |
| Account Number | 3-08225-0010 |
|---|---|
| Street Address | 9801 AVENUE K |
| City | BROOKLYN |
| State | NY |
| Zip | 11236-4407 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R4 |
| Legal Block | 8225 |
| Legal Lot Number | 10 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 98800 |
9801 Ave K, a duplex, is owned and occupied by an individual who bought it in September 1998.
Source: New York City records, as of May 4, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 9801 AVENUE K, BROOKLYN, NY 11236-4407 |
| Occupancy | Owner Occupied |
| 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 | Sep 11, 1998 · Amount on File |
| Deed Sale | Sep 11, 1998 · Amount on File |
| Deed Book / Page | 4276 / 364 |
| Prior Transfer Date | Dec 28, 1993 |
| Prior Transfer Doc | 3225001135 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Property Address | 9801 AVENUE K, BROOKLYN, NY 11236-4407 |
| Transaction Type | Mortgage |
| Record Updated | Jan 4, 2024 |
| Name | Verified Name |
|---|
| Document Number | 0000176712 |
|---|---|
| Date | May 13, 2021 |
| Instrument | 2021000176712 |
| Name | UNMB HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Address | 1901 E VOORHEES ST STE C, DANVILLE, IL 61834 |
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 9801 Ave K was $5,319.
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 | $48,240 Land $8,340 Building $39,900 | $804,000 Land $139,000 Building $665,000 | |
| 2025 | $5,319.00 | ||
| 2023 | $5,281.00 | $55,800 Land $8,340 Building $47,460 | $930,000 Land $139,000 Building $791,000 |
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 9801 Ave K; there have been 4 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 | 6 in force |
| Nearby Flood Claims | 4 (1979–1983) |
| Most Recent Claim | Aug 1983 · tidal / storm surge |
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 9801 Ave K 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 1,751 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Starry.
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