New York City property record for 9729 4th Ave, #B3, Brooklyn, NY 11209
| Property Type | Condominium |
|---|---|
| Details | 400 sqft · built 1985 |
| Lot Size | 0.1 acres (4,350 sqft) |
| Owner | Company Name on File |
| Last Sale | $325,000 (Feb 2024) |
| Tax Bill | $1,684 (2025) |
| Deeds & Mortgages | Feb 2024 Sale |
| APN | 06127-1004 |
| Primary APN | 06127-1004 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 400 sqft Living Area |
| 1st Floor Area | 400 sqft |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Condo/Apartment |
| Lot Area | 4,350 sqft (0.1 acres) |
| Lot Dimensions | 100 ft deep x 41.8 ft wide |
| Account Number | 3-06127-1004 |
|---|---|
| Street Address | 9729 4TH AVE, B3 |
| City | BROOKLYN |
| State | NY |
| Zip | 11209-8111 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | R6A |
| Legal Subdivision | ASPEN CONDO |
| Legal Block | 6127 |
| Legal Lot Number | 1004 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 16200 |
9729 4th Ave, #B3 is owned by a company that bought it in February 2024.
Source: New York City records, as of May 4, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 9729 4TH AVE, B3, BROOKLYN, NY 11209-8111 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
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 | Feb 8, 2024 · Amount on File |
| Deed Sale | Feb 8, 2024 · Amount on File |
| Deed Document Number | 202434545 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Recording Date | Feb 8, 2024 |
| Property Address | 9729 4TH AVE # B3, B3, BROOKLYN, NY 11209-8111 |
| Document Number | 0000034545 |
| Instrument Date | Nov 1, 2023 |
| Instrument | 2024000034545 |
| Transaction Type | Transfer |
| Record Updated | Feb 20, 2024 |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 28 RIVER ST SIDE AVE6N, AVE6N, RED BANK, NJ 07701-1303 |
| Name | Verified Name |
|---|---|
| Address | 575 GRAND ST APT E1205, E1205, NEW YORK, NY 10002-3578 |
The 2025 property tax bill for 9729 4th Ave, #B3 was $1,684.
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 | $30,906 (+22.94%) Land $44 Building $30,862 | $515,107 (+22.94%) Land $740 Building $514,367 | |
| 2025 | $1,684.00 | $25,139 Land $44 Building $25,095 | $418,994 Land $740 Building $418,254 |
| 2024 | $1,684.00 (+3.63%) | ||
| 2023 | $1,625.00 | $19,496 Land $44 Building $19,452 | $324,941 Land $740 Building $324,201 |
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 9729 4th Ave, #B3; there have been 1 flood claim nearby since 1981.
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 | 4 in force |
| Nearby Flood Claims | 1 (1981) |
| Most Recent Claim | Sep 1981 · rainfall accumulation |
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 9729 4th Ave, #B3 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 429 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures