401 EAST 21 STREET, Brooklyn, NY, 11226 is a 20-unit rental building in Flatbush, NYC. See every violation, 311 complaint, tenant review, and the LucidIQ score — before you sign a lease.
Rent stabilization and seismic safety
DHCR registration & tenant protections
Unit D5 Pros: The landlord hardly interferes and will hardly come by to check in. It’s close to a lot of restaurants, gyms and stores. Prospect Park is only 10 minutes away. You can have pets! Cons: The building i…
Unit B5 Pros: Transportation, stores, gyms Cons: Neighbors are loud. They jump, stomp, scream and bounce balls . People who don’t live in the building come in the hallway and smoke weed, the smell gets into your apartm…
Pros: Great water pressure in the showers; fairly convenient to transportation. Cons: Heat cranked up to sickening levels in winter; common area seems to be cleaned rarely; building experienced a fire and was then vacat…
Asking rent per bedroom type — switch tabs to see each with effective (concession-net) rent.
Portfolio-level grade reflects the landlord's buildings across NYC, weighted by unit count. Individual building grades may differ.
View full landlord profileACRIS deeds and regulatory filings
Brooklyn · March 2026
Best & worst months to sign a lease
Potential savings: ~14% by timing your move to February.
HEAT/HOT WATER — APARTMENT ONLY
SAFETY — SMOKE DETECTOR
APPLIANCE — ELECTRIC/GAS RANGE
HPD Class B Violation — § 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEV
HPD Class C Violation — § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COUNTER BALANCE AT LOWER SASH, SECOND WINDOW FROM SOUT
HPD Class C Violation — § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE RADIATOR AIR VALVE IN THE 3rd ROOM FROM NORTH AT EAST
HPD Class B Violation — § 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MON
DOOR/WINDOW — WINDOW FRAME
HEAT/HOT WATER — APARTMENT ONLY
HEAT/HOT WATER — ENTIRE BUILDING
Monthly counts over the last 7 years · all data sources
§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS MISSING IN THE ENTIRE APARTMENT LOCATED AT APT D1, 4th STORY, 2nd APARTMENT FROM SOUTH AT WEST
§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE RADIATOR AIR VALVE IN THE 3rd ROOM FROM NORTH AT EAST LOCATED AT APT D1, 4th STORY, 2nd APARTMENT FROM SOUTH AT WEST
§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES MISSING IN THE ENTIRE APARTMENT LOCATED AT APT D1, 4th STORY, 2nd APARTMENT FROM SOUTH AT WEST
§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COUNTER BALANCE AT LOWER SASH, SECOND WINDOW FROM SOUTH AT WEST. IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT D1, 4th STORY, 2nd APARTMENT FROM SOUTH AT WEST
§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PORCELAIN ENAMEL SURFACE AT BATHTUB BY METHOD OF REGLAZING IN THE BATHROOM LOCATED AT APT A2, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH
Flatbush around Church and Nostrand avenues is one of NYC's most vibrantly Caribbean neighborhoods — patois echoes on the streets, doubles vendors set up shop, and the Flatbush Junction outdoor market draws weekend crowds. It's affordable, lively, and deeply authentic.