Rate My LandlordAbout

9 Dekalb Avenue

Brooklyn · Downtown Brooklyn-DUMBO-Boerum Hill, NY 11201

9 Dekalb Avenue is a 541-apartment building in Downtown Brooklyn-DUMBO-Boerum Hill, built in 2021, managed by Rose Property MGMT GRP LLC. The City has 1 open housing-code violation on file for it, about 0.00 per apartment, in a neighborhood where most buildings have none on record (HPD, as of 5 October 2026). Tenants filed 2 complaints with 311 in the past year, which the City closed in a median of 35 days (311, as of 5 October 2026). No tenant has reviewed it here yet. Everything above comes from the City's own records.

Managed by Rose Property MGMT GRP LLC

Be the first to review this building

Does the heat hold in January? How long does the super take? No public record answers that.

Write the first review

About a minute, no account, stays anonymous.

Units
541
Year built
2021
Borough
Brooklyn

This building’s record with the City

Complaints tenants filed with 311, and repairs a City inspector has asked for. Most repairs are routine maintenance. Both describe the building rather than the people in it, and often predate the current management.

4.6/5Little on recordScored from the records below against every building we cover. It is not a tenant rating. Nobody who lived here said this.

Complaints are down from 4 to 2 year on year.

2tenant complaints

Filed with 311 in the past year · 4 the year before

Typically closed in 35 days · neighborhood median is 6

1open repair

Outstanding with HPD

Immediately hazardous
0
Hazardous
0
Non-hazardous
1

What the open repairs are about

  • Other repairs1

Source: NYC 311 and Housing Preservation & Development. Look this building up · updated Oct 2026

The company that manages it, elsewhere

Rose Property MGMT GRP LLC manages 101 other buildings we cover, holding 14,038 apartments.

open violations
746open violations
immediately hazardous
176immediately hazardous
311 complaints
592311 complaints

in the past year

per apartment
0.1per apartment

The company’s record across its other buildings, not this building’s. A company can run one well and another badly, and these figures often predate the current management. (HPD and 311, as of 5 October 2026.)

What tenants say

Nobody has written about 9 Dekalb Avenue yet.

Does the heat hold in January? How long does the super take? Does management answer the phone, and were you charged what you expected? No public record answers any of that. Only someone who lived here can.

Be the first to review

About a minute, no account, stays anonymous.

Also on Dekalb Avenue

Every building on Dekalb Avenue →

Also managed by Rose Property MGMT GRP LLC

Their whole portfolio →