New York City property record for 723 Union St, Apt 4, Brooklyn, NY 11215
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 4,080 sqft · built 1920 |
| Lot Size | 0.037 acres (1,615 sqft) |
| Owner | Individual Name on File |
| Last Sale | $490,000 (Jan 2000) |
| Tax Bill | $12,109 (2025) |
| APN | 00952-0045 |
| Primary APN | 00952-0045 |
|---|---|
| Alternative APNs |
|
| Units | 8 Units |
|---|---|
| Stories | 4 Stories |
| Building Area | 4,080 sqft Living Area |
| 1st Floor Area | 1,020 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Multi-Family |
| Lot Area | 1,615 sqft (0.037 acres) |
| Lot Dimensions | 95 ft deep x 17 ft wide |
| Account Number | 3-00952-0045 |
|---|---|
| Street Address | 723 UNION ST, 4 |
| City | BROOKLYN |
| State | NY |
| Zip | 11215-1133 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Local Zoning Code | R6A |
| Legal Block | 952 |
| Legal Lot Number | 45 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 13100 |
Source: New York City assessment roll, as of May 4, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 723 UNION ST, 4, BROOKLYN, NY 11215-1133 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 28, 2000 · Amount on Record |
| Deed Sale | Jan 28, 2000 · Amount on Record |
| Deed Book / Page | 4740 / 2170 |
| Record Updated | Jun 8, 2026 |
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 | $1,039,950 (+35.23%) Land $207,900 Building $832,050 | $2,311,000 (+35.23%) Land $462,000 Building $1,849,000 | |
| 2025 | $12,109.00 (+7.95%) | ||
| 2023 | $11,217.00 | $769,050 Land $207,900 Building $561,150 | $1,709,000 Land $462,000 Building $1,247,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | 3 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 703 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 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Optimum, Skywire Networks, Starry.
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