630 Union Street

630 Union Street in Park Slope, Brooklyn, has 7 open HPD violations, 3 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: A (90/100).

Condo · Multi-family walk-up · 30 units · Built 1909

A condominium: each apartment has its own owner, so the landlord is an individual unit owner, and the building's record mixes many owners. Condo units are not rent-stabilized.

StreetSpy grade: A (Excellent, 90/100)

• 3 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• No housing complaints to 311 in the last 12 months.
• The owner's bedbug filings report no infested units in the last 3 years.
• A condo: the landlord is the individual unit owner; units are not rent-stabilized.

• Repairs: Low (7 open, 3 class C), records as of Oct 26, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
• Safety: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Expired Sep 30, 2024, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

7 open violations: 3 class C (immediately hazardous), 2 class B, 2 class A. 1 issued in the last 12 months. 23 on record. Oldest open violation issued 2018-07-04. Newest violation issued 2026-05-06.

HPD recorded no violation closed here in the last 12 months.

• Class C: Self-closing door not working (hallway). , 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE ROOF BULKHEAD DOOR AT PUBLIC HALL STAIRS, 5th STORY, SECTION ''east'', issued 2022-11-07. HPD violation 15464043
• Class C: Self-closing door not working, 3rd floor. , 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE IN THE ENTRANCE LOCATED AT APT 3B, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION AT WEST (apt 3B), issued 2022-10-31. HPD violation 15453041
• Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM LOCKED AT CELLAR AT BOILER ROOM, issued 2022-10-31. HPD violation 15453040
• Class B: Floor or stair defect (hallway). PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILES AT SECTION SOUTH AT PUBLIC HALL, 1st STORY, issued 2022-08-25. HPD violation 15325431
• Class B: Fire escape defect. , 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM WINDOW TO FIRE ESCAPE OR PROVIDE APPROVED TYPE GATE 3 STY WEST APT 3E EAST SECTION. , SECTION '' '' (apt 3E), issued 2018-07-04. HPD violation 2205134
• Class A: Bedbugs. (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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2026-05-06. HPD violation 18892817
• Class A: Bedbugs. (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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2025-06-11. HPD violation 18003526

311 housing complaints

0 in the last 12 months, 14 in 5 years.

Bedbugs

The owner reported 0 infested units in the last 3 years of filings. 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: No bedbug filing on record for this year
• 2024: Owner reported 0 infested units
• 2023: Owner reported 0 infested units
• 2022: No bedbug filing on record for this year
• 2021: Owner reported 0 infested units

Buildings department (DOB)

No open DOB violations. 0 DOB violations on record. Check on DOB BIS.

Evictions and housing court

0 executed evictions in the last 3 years (0 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

No rent-stabilized units on the tax bill.

Owner and management

Owner: MADELINE HOUSE CONDOMINIUM. Head officer: ERIC MARTINEZ. Managing agent: CONCORD MANAGEMENT OF NY LLC. See the full portfolio.

Last HPD registration Mar 28, 2024. HPD registration expired Sep 30, 2024 and had not been renewed as of Oct 3, 2026. Buildings with 3+ units must register with HPD every year.

Tax lot and city IDs

BBL 3009557502, HPD building ID 383771. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Union St (R), 1 min walk
• Bergen St (2, 3), 10 min walk
• Atlantic Av-Barclays Ctr (D, N, R), 10 min walk

How the grade is calculated

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 2026-10-28.