22 Martense Street
22 Martense Street in Flatbush, Brooklyn, has 6 open HPD violations, 4 of them class C, and 55 of 56 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: C (74/100).
Multi-family elevator · 56 units · Built 1962
StreetSpy grade: C (Fair, 74/100)
- 4 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 5 heat or hot water complaints to 311 in the last 12 months.
- The owner's bedbug filings report 4 infested units over the last 3 years.
- 55 of 56 units are rent-stabilized; 54 on the 2007 tax bill.
Fewer open violations per unit than 5 in 10 Brooklyn buildings this size.
- Repairs: Low (6 open, 4 class C), records as of Oct 24, 2026
- Heat and hot water: 5 complaints, 12 mo, records as of Oct 23, 2026
- Pests: Medium (4 infested units, 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
Housing code violations (HPD)
6 open violations: 4 class C (immediately hazardous), 2 class B, 0 class A. 5 issued in the last 12 months. 82 on record. Oldest open violation issued 2016-12-01. Newest violation issued 2026-02-26.
0 closed in the last 90 days. Median 81 days from issue to close for the 5 violations closed in the last 12 months.
- Class C: Mold, bathroom, 5th floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... GREATER THAN 30 SQFT AT NORTH EAST WALL AT APT 5G 5TH STORY 1ST APARTMENT NORTH AT EAST IN THE BATHROOM LOCATED AT APT 5G, 5th STORY (apt 5G), issued 2026-02-26. HPD violation 18662982
- Class C: Self-closing door not working (entrance). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE LATCH AT BUILDING ENTRANCE DOOR, issued 2026-02-09. HPD violation 18616517
- 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 2B, 2nd STORY (apt 2B), issued 2024-05-28. HPD violation 17008839
- 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 2G, 2nd STORY, 2nd APARTMENT FROM NORTH AT EAST (apt 2G), issued 2024-01-09. HPD violation 16576716
- Class B: Mold, east wall, foyer, 5th floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROXIMATELY 4 SQ.FEET AT CEILING AND 4 SQ.FEET AT EAST WALL IN THE FOYER LOCATED AT APT 5G, 5th STORY, 1st APARTMENT FROM NORTH AT EAST ORIGINAL VIOLATION 14565118 ISSUED 18-SEP-21 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b). (apt 5G), issued 2022-01-21. HPD violation 14790905
- Class B: Leak or water damage, bathroom, 2nd floor. REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS AT SHOWER BODY IN BATHTUB IN THE BATHROOM LOCATED AT APT 2D, 2nd STORY, APARTMENT AT WEST (apt 2D), issued 2016-12-01. HPD violation 11550744
311 housing complaints
7 in the last 12 months, 85 in 5 years. Most common: Heat/Hot Water (5), Unsanitary Condition (1), Water Leak (1).
Bedbugs
The owner reported 4 infested units in the last 3 years. 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 2 infested, 2 treated, 0 re-infested
- 2023: Owner reported 2 infested, 2 treated, 0 re-infested
- 2022: Owner reported 3 infested, 3 treated, 0 re-infested
- 2021: No bedbug filing on record for this year
Buildings department (DOB)
No open DOB violations. 4 DOB violations on record. Check on DOB BIS.
Evictions and housing court
0 executed evictions in the last 3 years (2 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
55 of 56 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: 55 in 2024, 54 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: 30 MARTENSE LLC. Head officer: MEHMET KALKAN. Managing agent: DSJ MANAGEMENT. This owner has 19 buildings on record, 5 graded D or F. See the full portfolio.
Last HPD registration Aug 14, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3050890015, HPD building ID 333353. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Church Av (B, Q), 5 min walk
- Parkside Av (Q), 7 min walk
- Church Av (2, 5), 9 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 6 open (4 class C, 2 class B) | −10 |
| 311 housing complaints (12 mo) | 7 | −8 |
| Bedbug reports (3 yr) | 4 infested units | −8 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | None | 0 |
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.