New York City property record for 237 Union St, #3, Brooklyn, NY 11231
| Property Type | Duplex |
|---|---|
| Details | 4,624 sqft · built 1920 |
| Lot Size | 0.053 acres (2,292 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $26,792 (2025) |
| Deeds & Mortgages | May 2018 Mortgage |
| APN | 00338-0040 |
| Primary APN | 00338-0040 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|---|
| Stories | 3 Stories |
| Building Area | 4,624 sqft Living Area |
| 1st Floor Area | 1,156 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 2019 |
| Architectural Style | Duplex Single |
| Lot Area | 2,292 sqft (0.053 acres) |
| Lot Dimensions | 100 ft deep x 22.9 ft wide |
| Account Number | 3-00338-0040 |
|---|---|
| Street Address | 237 UNION ST, 3 |
| City | BROOKLYN |
| State | NY |
| Zip | 11231-3503 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R6B |
| Legal Block | 338 |
| Legal Lot Number | 40 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 4 |
| Census Block | 4001 |
| Census Tract | 6700 |
237 Union St, #3 is owned by an individual who acquired it in March 1994.
Source: New York City records, as of May 4, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 237 UNION ST, BROOKLYN, NY 11231-3503 |
| 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 | Mar 25, 1994 |
| Deed Sale | Mar 25, 1994 |
| Deed Book / Page | 3248 / 2485 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Property Address | 237 UNION ST # 3, 3, BROOKLYN, NY 11231-3503 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|---|
| Address | 237 UNION ST, BROOKLYN, NY 11231-3503 |
| Document Number | 0000162002 |
|---|---|
| Date | May 15, 2018 |
| Instrument | 2018000162002 |
| Name | CITIZENS BANK |
|---|---|
| Type | Bank |
| Address | 1 CITIZENS DR, RIVERSIDE, RI 02915 |
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 237 Union St, #3 was $26,792.
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 | $558,540 Land $20,820 Building $537,720 | $9,309,000 Land $347,000 Building $8,962,000 | |
| 2025 | $26,792.00 | ||
| 2023 | $22,641.00 | $409,500 Land $20,820 Building $388,680 | $6,825,000 Land $347,000 Building $6,478,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA has no flood map on file for 237 Union St, #3; 2 flood insurance policies are in force nearby.
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.
The area around 237 Union St, #3 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 1,436 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 |
| Starry Fixed Wireless | 300 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Optimum.
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