New York City property record for 4423 Ave L, Brooklyn, NY 11234
| Property Type | Single Family Home |
|---|---|
| Details | 1,400 sqft · built 1930 |
| Lot Size | 0.041 acres (1,800 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $700,000 (Mar 2021) |
| Tax Bill | $6,666 (2025) |
| Deeds & Mortgages | Mar 2021 Sale & Mortgage Apr 2017 Mortgage |
| APN | 07824-0001 |
| Primary APN | 07824-0001 |
|---|---|
| Alternative APNs |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 1,400 sqft Living Area |
| 1st Floor Area | 700 sqft |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Lot Area | 1,800 sqft (0.041 acres) |
| Lot Dimensions | 90 ft deep x 20 ft wide |
| View / Lot | Corner |
| Account Number | 3-07824-0001 |
|---|---|
| Street Address | 4423 AVENUE L |
| City | BROOKLYN |
| State | NY |
| Zip | 11234-3040 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R4 |
| Legal Block | 7824 |
| Legal Lot Number | 1 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 73000 |
4423 Ave L is owned and occupied by two individuals who bought it in March 2021.
Source: New York City records, as of May 4, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4423 AVENUE L, BROOKLYN, NY 11234-3040 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Individual(s) |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Mar 8, 2021 | Deed, Transfer MERS |
| Apr 21, 2017 | Deed of Trust, Mortgage CAPITAL ONE NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 8, 2021 · Amount on File |
| Deed Sale | Mar 8, 2021 · Amount on File |
| Deed Document Number | 202184536 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Recording Date | Mar 8, 2021 |
| Property Address | 4423 AVENUE L, BROOKLYN, NY 11234-3040 |
| Document Number | 0000084536 |
| Instrument Date | Mar 1, 2021 |
| Instrument | 2021000084536 |
| Transaction Type | Transfer |
| Record Updated | Jul 9, 2021 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 4423 AVENUE L, 4423, BROOKLYN, NY 11234-3040 |
| Name | Verified Name |
|---|---|
| Address | 4423 AVENUE L, BROOKLYN, NY 11234-3040 |
| Document Number | 0000084537 |
|---|---|
| Date | Mar 8, 2021 |
| Instrument | 2021000084537 |
| Name | MERS |
|---|
| Amount | Amount on Record |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Property Address | 4423 AVENUE L, BROOKLYN, NY 11234-3040 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|---|
| Address | 4423 AVENUE L, BROOKLYN, NY 11234-3040 |
| Document Number | 0000154223 |
|---|---|
| Date | Apr 21, 2017 |
| Instrument | 2017000154223 |
| Name | CAPITAL ONE NA |
|---|---|
| Type | Bank |
| Address | 7933 PRESTON RD, PLANO, TX 75024 |
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 4423 Ave L was $6,666.
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 | $47,340 Land $8,580 Building $38,760 | $789,000 Land $143,000 Building $646,000 | |
| 2025 | $6,666.00 | ||
| 2023 | $5,932.00 | $48,600 Land $8,580 Building $40,020 | $810,000 Land $143,000 Building $667,000 |
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 4423 Ave L; there have been 3 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 | 2 in force |
| Nearby Flood Claims | 3 (1979–2016) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | Jul 2016 · 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 4423 Ave L 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 1,660 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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