Is 129 6th Ave rent stabilized?
129 6th Ave is a registered NYC rent-stabilized building in Prospect Heights, Brooklyn (11217). It has about 6 apartments, built in 1880.
Also written as 129 6th Avenue — or 129 6th Ave, Brooklyn, NY 11217.
How this building compares
With about 6 apartments it is smaller than 83% of the 262 rent-stabilized buildings this site tracks in Prospect Heights. It went up in 1880, 35 years before the 1915 median for stabilized buildings tracked in the neighborhood. HPD lists no open violations at this address — one of 47 such buildings among the 263 this site tracks in the neighborhood. Of the 20 violations on record at the address, 3 are class C — HPD's immediately hazardous grade. Tenants have filed 9 HPD complaints at the address, none of them in the last twelve months.
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Building details
| Borough | Brooklyn |
| Neighborhood | Prospect Heights |
| ZIP | 11217 |
| Year built | 1880 |
| Apartments | 6 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A |
| BBL | 3009420004 |
Owner & management
| Owner | FLENNO REALTY CORP 30 TILTON ROAD · Middletown, NJ 07748 |
| Managing agent | ALBERT COLUCCI |
Building conditions
| HPD violations | 0 open / 20 total |
| HPD complaints | 0 open / 9 total |
| HPD registration last filed | July 11, 2025 |
Full building report — $9
📄 Get the full building report — $9. How this building's violation record compares citywide, who owns it and what else they own, and a pre-filled DHCR rent-history request. One-time, no account needed. The report also states plainly what the data cannot tell you. Get the report for 129 6th Ave →
Other rent-stabilized buildings in Prospect Heights
516 Sterling Pl500 Sterling Pl495 Sterling Pl20a 7th Ave20 7th Ave321 Flatbush Ave319 Flatbush Ave136 Prospect Pl134 Prospect Pl126 Prospect Pl111 Prospect Pl115 To 117 Prospect Pl