685 Union Street Brooklyn is tracked in NYC Property Audit as BBL 3009520064, located in BK, built in 1920, 8 residential units, 81 open DOB/HPD violation signals, FEMA flood zone X. The free preview keeps address-level facts crawl-visible while the full due-diligence report remains available in the audit.
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Audit
685 UNION STREET
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Annual property tax estimated at ~$156,331 (Tax Class 2)· NYC DOF
Building Details
✓ Verified · PLUTO
Building Area
5,000 sf
Zoning
R6A
Basement
Partial Basement
Land Use
Multi-Family Walk-Up Buildings
Registered Owner
685 Union Street Prop LLC
Rent Regulation
Yes · 8 regulated units(DHCR)
Quick facts
How many units does this building have?
8 residential units.
How tall is this building?
4 stories, non-fireproof construction, built in 1920.
How big is the lot?
2,375 sq ft (25 ft × 95 ft).
What's the building class?
Class C1 — Walk-up apt.
How many buildings are on this lot?
1 building on the lot.
Overall Outlook
Long-term signal for residential or commercial viability
Elevated Risk
Maintenance Reliability
Multiple open violations — proceed with caution
20 / 100
Safety
Moderate activity — typical urban
79 / 100
Daily Life
Transit access via Union St (R)
~1 min subway
Compliance · 10-year history
Violation timeline
DOB · HPD · OATH
201620182020202220242026
Active36Resolved with debt0Resolved14Hover any dot for detail
Violations & maintenance history
HPD · DOB · OATH — 36 open, 15 resolved
Tip: this building has 8 residential units and 36 open violations across all of them. To see only the records affecting your apartment, run a new search with your unit number (e.g. 5A or PH2) in the APT / UNIT field on the homepage.
Open Issues — 36
Minor
(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 s website, www. NYC. Gov\hpd, search bed bugs.
HPD · Filed May 2026 · Open
Minor
HMC ADM code: § 27-2017.4 abate the infestation consisting of mice
Apt 2 · 1st floor · 1st apartment from north at east
HPD · Filed Dec 2025 · Open ·
Minor
§ 27-2017.3 HMC: trace and repair the source and abate the visible mold condition... Less than 1O sqft at north wall in the bathroom located at APT 2, 1st story, 1st apartment from north at east original violation 18477441 issued 02-dec-25 has been upgraded to class b per administrative code 27-2017.3A(3)(a) or (b).
HPD · Filed Dec 2025 · Open
Minor
Abate the nuisance consisting of glass pane at bathroom door
§ 27-2005 ADM CODE & 309 M/D LAWApt 2 · 1st floor · 1st apartment from north at east
HPD · Filed Dec 2025 · Open ·
Minor
Refit door at building entrance
§ 27-2005 HMC
HPD · Filed Jul 2023 · Open ·
Resolved History — 15 (showing 3)
Closed
§ 27-2017.3 HMC: trace and repair the source and abate the visible mold condition... Less than 1O sqft at north wall
Apt 2 · 1st floor · 1st apartment from north at east
HPD · Filed Dec 2025 · Closed ·
Closed
(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 s website, www. NYC. Gov\hpd, search bed bugs.
HPD · Filed Jun 2025 · Closed
Closed
Owner failed to file a valid registration statement with the department as required by ADM code §27-2097 and is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
§27-2107 ADM CODE
HPD · Filed Nov 2023 · Closed ·
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