New York City property record for 166 Union St, Brooklyn, NY 11231
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 5,300 sqft · built 1900 |
| Lot Size | 0.051 acres (2,208 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $15,412 (2025) |
| APN | 00343-0012 |
| Primary APN | 00343-0012 |
|---|---|
| Alternative APNs |
|
| Units | 9 Units |
|---|---|
| Stories | 4 Stories |
| Building Area | 5,300 sqft Living Area |
| 1st Floor Area | 1,364 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Multi-Family |
| Lot Area | 2,208 sqft (0.051 acres) |
| Lot Dimensions | 100 ft deep x 22.1 ft wide |
| Account Number | 3-00343-0012 |
|---|---|
| Street Address | 166 UNION ST |
| City | BROOKLYN |
| State | NY |
| Zip | 11231-3036 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Local Zoning Code | R6A |
| Legal Block | 343 |
| Legal Lot Number | 12 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 6300 |
166 Union St, a residential property, is owned and occupied by an individual.
Source: New York City records, as of August 31, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 166 UNION ST, BROOKLYN, NY 11231-3036 |
| 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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 166 Union St was $15,412.
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 | $1,701,450 Land $294,300 Building $1,407,150 | $3,781,000 Land $654,000 Building $3,127,000 | |
| 2025 | $15,412.00 | ||
| 2023 | $13,821.00 | $999,450 Land $294,300 Building $705,150 | $2,221,000 Land $654,000 Building $1,567,000 |
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 166 Union St; 1 flood insurance policy is 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 | 1 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 166 Union St 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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