New York City property record for 173 23rd St, Brooklyn, NY 11232
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 3,696 sqft · built 1899 |
| Lot Size | 0.064 acres (2,805 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $700,000 (Aug 2009) |
| Tax Bill | $11,347 (2025) |
| APN | 00645-0044 |
| Primary APN | 00645-0044 |
|---|---|
| Alternative APNs |
|
| Units | 11 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 3,696 sqft Gross Area |
| 1st Floor Area | 700 sqft |
| Year Built | Built 1899 |
|---|---|
| Effective Year Built | Effective 1899 |
| Lot Area | 2,805 sqft (0.064 acres) |
| Lot Dimensions | 100 ft deep x 28 ft wide |
| Account Number | 3-00645-0044 |
|---|---|
| Street Address | 173 23RD ST |
| City | BROOKLYN |
| State | NY |
| Zip | 11232-1112 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Local Zoning Code | M12D |
| Legal Block | 645 |
| Legal Lot Number | 44 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 14500 |
173 23rd St, a commercial property, is owned by two individuals who bought it in August 2009.
Source: New York City records, as of May 4, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 173 23RD ST, BROOKLYN, NY 11232-1112 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Aug 21, 2009 · Amount on File |
| Deed Sale | Aug 21, 2009 · Amount on File |
| Prior Sale | Aug 19, 2005 · Amount on File |
| Deed Document Number | 200980700899001 |
| Prior Transfer Date | Nov 11, 2001 |
| Prior Transfer Doc | 5368002100 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 173 23rd St was $11,347.
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 | $496,800 Land $9,900 Building $486,900 | $1,104,000 Land $22,000 Building $1,082,000 | |
| 2025 | $11,347.00 | ||
| 2023 | $9,730.00 | $346,050 Land $9,900 Building $336,150 | $769,000 Land $22,000 Building $747,000 |
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 173 23rd St; 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 173 23rd 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 1,605 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: Optimum, Starry.
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