New York City property record for 173 Ave S, Brooklyn, NY 11223
| Property Type | Duplex |
|---|---|
| Details | 1,807 sqft · built 1925 |
| Lot Size | 0.057 acres (2,500 sqft) |
| Owner | Individual Name on File |
| Last Sale | $300,000 (Dec 2009) |
| Tax Bill | $8,314 (2025) |
| Deeds & Mortgages | Apr 2017 Mortgage |
| APN | 06674-0047 |
| Primary APN | 06674-0047 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 1,807 sqft Living Area |
| 1st Floor Area | 704 sqft |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Architectural Style | Duplex Single |
| Lot Area | 2,500 sqft (0.057 acres) |
| Lot Dimensions | 100 ft deep x 25 ft wide |
| Account Number | 3-06674-0047 |
|---|---|
| Street Address | 173 AVENUE S |
| City | BROOKLYN |
| State | NY |
| Zip | 11223-2634 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R5B |
| Legal Block | 6674 |
| Legal Lot Number | 47 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 40800 |
173 Ave S, a duplex, is owned and occupied by an individual who bought it in December 2009.
Source: New York City records, as of May 4, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 173 AVENUE S, BROOKLYN, NY 11223-2634 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 11, 2009 · Amount on File |
| Deed Sale | Dec 11, 2009 · Amount on File |
| Prior Sale | Mar 9, 1999 · Amount on File |
| Deed Document Number | 2009407531 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Property Address | 173 AVENUE S, BROOKLYN, NY 11223-2634 |
| Transaction Type | Mortgage |
| Record Updated | Mar 3, 2021 |
| Name | Verified Name |
|---|---|
| Address | 173 AVENUE S, BROOKLYN, NY 11223-2634 |
| Document Number | 0000129088 |
|---|---|
| Date | Apr 3, 2017 |
| Instrument | 2017000129088 |
| Name | CITIBANK NA |
|---|---|
| Type | Bank |
| Address | 701 E 60TH ST N, SIOUX FALLS, SD 57104 |
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 173 Ave S was $8,314.
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 | $69,120 Land $14,640 Building $54,480 | $1,152,000 Land $244,000 Building $908,000 | |
| 2025 | $8,314.00 | ||
| 2023 | $7,403.00 | $64,380 Land $14,640 Building $49,740 | $1,073,000 Land $244,000 Building $829,000 |
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 Ave S; 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 173 Ave S 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 1,946 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Starry.
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