New York City property record for 23 Cornelia St, Brooklyn, NY 11221
| Property Type | Triplex |
|---|---|
| Details | 3,000 sqft · built 1910 |
| Lot Size | 0.046 acres (2,000 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $381,000 (Oct 2003) |
| Tax Bill | $4,090 (2025) |
| Deeds & Mortgages | Mar 2026 Transfer |
| APN | 03373-0051 |
| Primary APN | 03373-0051 |
|---|---|
| Alternative APNs |
|
| Units | 11 Units |
|---|---|
| Stories | 3 Stories |
| Building Area | 3,000 sqft Living Area |
| 1st Floor Area | 1,000 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Architectural Style | Triplex |
| Lot Area | 2,000 sqft (0.046 acres) |
| Lot Dimensions | 100 ft deep x 20 ft wide |
| Account Number | 3-03373-0051 |
|---|---|
| Street Address | 23 CORNELIA ST |
| City | BROOKLYN |
| State | NY |
| Zip | 11221-4860 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Local Zoning Code | R6 |
| Legal Block | 3373 |
| Legal Lot Number | 51 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 39700 |
Source: New York City records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 23 CORNELIA ST, BROOKLYN, NY 11221-4860 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Individual(s) |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 1, 2003 · Amount on Record |
| Deed Sale | Oct 1, 2003 · Amount on Record |
| Prior Sale | Jan 18, 2002 |
| Last Transfer Date | Mar 3, 2026 |
| Transfer Doc | 0000081240 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Recording Date | Mar 23, 2026 |
| Property Address | 23 CORNELIA ST, BROOKLYN, NY 11221-4860 |
| Document Number | 0000081240 |
| Instrument Date | Mar 3, 2026 |
| Instrument | 2026000081240 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2026 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 23 CORNELIA ST, BROOKLYN, NY 11221-4860 |
| Name | Verified Name |
|---|---|
| Address | 23 CORNELIA ST, BROOKLYN, NY 11221-4860 |
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 | $77,400 (-4.59%) Land $13,080 Building $64,320 | $1,290,000 (-4.59%) Land $218,000 Building $1,072,000 | |
| 2025 | $4,090.00 (+0.81%) | $81,120 (+5.46%) Land $13,080 Building $68,040 | $1,352,000 (+5.46%) Land $218,000 Building $1,134,000 |
| 2024 | $4,057.00 (+6.43%) | ||
| 2023 | $3,812.00 (+5.6%) | $76,920 (+8.09%) Land $13,080 Building $63,840 | $1,282,000 (+8.09%) Land $218,000 Building $1,064,000 |
| 2022 | $3,610.00 | $71,160 Land $13,080 Building $58,080 | $1,186,000 Land $218,000 Building $968,000 |
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.
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 1,611 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Starry.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures