CHRISTOPHER KARWOWSKI: NYC buildings and housing record
CHRISTOPHER KARWOWSKI is the owner of record on HPD property registrations for 4 NYC buildings (32 units), which have 78 open HPD violations, 13 of them class C, as of Oct 26, 2026.
Across the portfolio: 0 housing complaints to 311 in the last 12 months, 1 executed evictions in 3 years and 0 reported bedbug infestations in 3 years. 2 buildings are graded D or F; the average StreetSpy score is 68/100. Class C means immediately hazardous.
Registered head officers
- CHRISTOPHER KAROWOWSKI (1 buildings)
- CHRISTOPHER KARWOWSKI (1 buildings)
Managing agents
- DOROTHY KARWOWSKI (2 buildings)
- DANUTA KARWOWSKI (1 buildings)
Buildings in this portfolio
| Address | Area | Units | Open violations | Grade |
|---|---|---|---|---|
| 648 Leonard Street | Greenpoint | 8 | 66 (7 class C) | D |
| 141 Guernsey Street | Greenpoint | 8 | 9 (3 class C) | D |
| 139 Mcguinness Boulevard | Greenpoint | 8 | 3 (3 class C) | C |
| 182 Freeman Street | Greenpoint | 8 | 0 | A |
How landlord totals are counted. Report an error.
Sources: NYC HPD housing maintenance code violations, HPD property registrations and housing litigation, 311 service requests, DOB violations, NYC Marshals evictions, and HPD bedbug filings from NYC Open Data, plus rent-stabilized unit counts from NYC Department of Finance tax bills. How grades work.