427 Dean Street

427 Dean Street in Park Slope, Brooklyn, has 25 open HPD violations, 16 of them class C, and 10 of 17 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: F (40/100).

Multi-family walk-up · 17 units · Built 1920

StreetSpy grade: F (Severe, 40/100)

• 16 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 27 heat or hot water complaints to 311 in the last 12 months.
• 10 of 17 units are rent-stabilized; 17 on the 2007 tax bill.

More open violations per unit than 7 in 10 Brooklyn buildings this size.

• Repairs: High (25 open, 16 class C), records as of Oct 24, 2026
• Heat and hot water: 27 complaints, 12 mo, records as of Oct 23, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 26, 2026
• Safety: Clear (No open DOB violations), records as of Oct 23, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

25 open violations: 16 class C (immediately hazardous), 5 class B, 4 class A. 5 issued in the last 12 months. 290 on record. Oldest open violation issued 2011-07-25. Newest violation issued 2026-05-12.

1 closed in the last 90 days. Median 108 days from issue to close for the 5 violations closed in the last 12 months.

1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

• Class C: Door, lock or intercom defect, 2nd floor. , 2007 ADM CODE REMOVE THE ILLEGAL FASTENING LOCKABLE SLIDE BOLT INSTALLED AT DOOR IN THE ENTRANCE LOCATED AT APT 5, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 5), issued 2025-09-19. HPD violation 18244393
• Class C: Roaches, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 5, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 5), issued 2025-09-19. HPD violation 18244395
• Class C: Lead paint hazard, 4th floor. , 27-2056.8, 27-2056.9 ADM CODE -CERTIFY COMPLIANCE WITH LEAD-BASED PAINT HAZARD CONTROL REQUIREMENTS DURING PERIOD OF UNIT VACANCY BY PERFORMING ACTIVITIES NECESSARY TO ABATE TESTED LEAD-BASED PAINT FROM REQUIRED WINDOW AND/OR DOOR FRICTION SURFACES FOR APARTMENT AND MAKE FLOORS SMOOTH AND CLEANABLE, POSITIVE LEAD-BASED PAINT IN AN APARTMENT WITH A CHILD UNDER SIX LOCATED AT APT 16, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 16), issued 2021-05-07. HPD violation 14324515
• Class C: Lead paint hazard, 2nd floor. , 27-2056.8, 27-2056.9 ADM CODE -CERTIFY COMPLIANCE WITH LEAD-BASED PAINT HAZARD CONTROL REQUIREMENTS DURING PERIOD OF UNIT VACANCY BY PERFORMING ACTIVITIES NECESSARY TO ABATE PRESUMED LEAD-BASED PAINT FROM REQUIRED WINDOW AND/OR DOOR FRICTION SURFACES FOR APARTMENT AND MAKE FLOORS SMOOTH AND CLEANABLE, PRESUMED LEAD PAINT IN AN APARTMENT WITH A CHILD UNDER SIX LOCATED AT APT 5, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 5), issued 2021-05-07. HPD violation 14324518
• Class C: Roaches, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 5, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 5), issued 2021-04-30. HPD violation 14315304
• Class C: Mice, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 5, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 5), issued 2020-02-13. HPD violation 13597562
• Class C: Lead paint hazard, 3rd room from the north, 4th floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) CEILING IN THE 3rd ROOM FROM NORTH AT EAST LOCATED AT APT 13, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 13), issued 2019-09-06. HPD violation 13264546
• Class C: Missing window guards, throughout the apartment, 4th floor. HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 1; WG TO REPLACE = 0; WG TO REPAIR = 0; IN THE ENTIRE APARTMENT LOCATED AT APT 13, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 13), issued 2018-07-13. HPD violation 12473636

311 housing complaints

30 in the last 12 months, 115 in 5 years. Most common: Heat/Hot Water (27), Paint/Plaster (2), Plumbing (1).

Bedbugs

The owner reported 0 infested units in the last 3 years of filings. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

• 2026: No bedbug filing on record for this year
• 2025: Owner reported 0 infested units
• 2024: Owner reported 0 infested units
• 2023: Owner reported 0 infested units
• 2022: Owner reported 0 infested units
• 2021: Owner reported 0 infested units

Buildings department (DOB)

No open DOB violations. 1 DOB violation on record. Check on DOB BIS.

Evictions and housing court

0 executed evictions in the last 3 years (0 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

10 of 17 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).

Rent-stabilized units on city tax bills: 10 in 2024, 17 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 5529-427-433 DEAN STREET BROOKLYN LLC. Head officer: KIMIYA KHOSRAVANI. Managing agent: AKELIUS REAL ESTATE MANAGEMENT LLC. This owner has 31 buildings on record, 14 graded D or F. See the full portfolio.

Last HPD registration Feb 11, 2026. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3009280051, HPD building ID 231320. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Atlantic Av-Barclays Ctr (D, N, R), 2 min walk
• Atlantic Av-Barclays Ctr (2, 3, 4, 5), 3 min walk
• Atlantic Av-Barclays Ctr (B, Q), 3 min walk

How the grade is calculated

Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-27.