NYC Building Records · BBL 3031750019
306 JEFFERSON STREET
Brooklyn · Block 3175 · Lot 19 · Walk-up apartment (Class C1)
Owner of record
306 JEFFERSON APTS LLC
HPD-registered head officer: DAVID GRUNFELD
HPD registered contacts
People legally accountable to HPD for conditions at this building, in registration-priority order:
- Head OfficerDAVID GRUNFELD
- Corporate Owner306 JEFFERSON APTS LLC
- Managing Agent306 JEFFERSON APT LLC
Most recent deed
Last transferred on Mar 21, 2013 to 306 Jefferson Apts Llc.
Previous owner: 306 Jefferson Inc.
Cash sale: no recorded mortgage tied to this transfer.
🔒 See full deed history for this building →Recent ACRIS documents (last 5)
DateTypeAmountParties
Aug 30, 2023MTGE$2.5MParties redacted — full names in MetroDeeds Scout+
Feb 7, 2014MTGE$107KParties redacted — full names in MetroDeeds Scout+
Mar 21, 2013DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Feb 19, 2009DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Jan 31, 2006MTGE$825KParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →Building stats
Units
8
Year built
1931
Class
C1
Borough
Brooklyn
- Zoning:
- R6
- Lot size:
- 2,500 sqft
- Building area:
- 6,500 sqft
- Floors:
- 4
- Assessed value:
- $488K
- Community district:
- 304
- Council district:
- 34
HPD violations
0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See full violation history →Recent HPD violation details
Most recent 5 violations issued by NYC HPD at this address:
- Class BInspected Sep 29, 2025§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE 1ST CONCRETE TREAD FROM BOTTOM UP AT STOOP BUILDING FRONT ,…
- Class AInspected Jun 10, 2025(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class AInspected Apr 10, 2024(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class CInspected Jul 2, 2023§ 27-2005, 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 MIS…
- Class BInspected Jul 2, 2023§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOCKING ASSEMBLY AT DOOR IN THE ENTRANCE LOCATED AT APT 2L, 2nd STORY, 2nd…
Recent ACRIS activity
5 documents in the last 5 years (most recent Aug 30, 2023).
Other buildings in this portfolio
306 Jefferson Apts Llc controls 2 NYC buildings. Top properties by HPD violation count:
- 309 JEFFERSON STREET51 violations
More from MetroDeeds
Go deeper on this building
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