Marcin Stefaniak: NYC Managed Buildings

Marcin Stefaniak

6 buildings managed132 open records

Assembled from HPD property registrations: every building that lists this company as its managing agent, counted once per building. Buildings managed under other entity names are not included, and we do not merge affiliated companies. Registrations lag reality, so a building may have changed agents since its last filing.

This name also appears as a registered owner. See the buildings it owns.

Buildings managed

HPD managing agent of record

Open records

132

22 per building

Open Class C

Immediately hazardous

Fines due

OATH/ECB balance

Buildings managed by this company

6 buildings · click any column to sort · addresses link to the full building record

Buildings managed by Marcin Stefaniak

339 Marion Street	Brooklyn	27	49	7	0	83	$0	Dec 4, 2025
27 Furman Avenue	Brooklyn	4	23	5	0	32	$0	Dec 4, 2025
66 Howard Avenue	Brooklyn	9	1	0	6	16	$0	Apr 10, 2024
152 Calyer Street	Brooklyn	0	1	0	0	1	$0	Dec 4, 2025
146 Newel Street	Brooklyn	0	0	0	0	0	$0	Jul 18, 2025
195 Java Street	Brooklyn	0	0	0	0	0	$0	Dec 4, 2025

Class A, B and C are the hazard tiers the city assigns to a violation. Other covers open records that carry no hazard tier, mostly DOB complaints and OATH hearing entries. The four columns sum to Open total.