37 St Marks Avenue

37 St Marks Avenue in Park Slope, Brooklyn, has 6 open HPD violations, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: C (65/100).

Multi-family walk-up · 4 units · Built 1896

StreetSpy grade: C (Fair, 65/100)

• 6 open housing violations, none in the most serious class.
• No housing complaints to 311 in the last 12 months.
• The owner's bedbug filings report no infested units in the last 3 years.
• No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.

More open violations per unit than 6 in 10 Brooklyn buildings this size.

• Repairs: High (6 open), 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: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

6 open violations: 0 class C (immediately hazardous), 3 class B, 3 class A. 1 issued in the last 12 months. 17 on record. Oldest open violation issued 2007-09-12. Newest violation issued 2026-05-06.

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

• Class B: Gas defect, kitchen. PROPERLY REPAIR THE BROKEN OR DEFECTIVE OVEN DOOR GAS RANGE KITCHEN 4 STY APT 4. , SECTION '' '' (apt 4), issued 2007-09-12. HPD violation 2106126
• Class B: Plumbing defect, bathroom. REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTELINE WASHBASIN BATHROOM 4 STY APT 4. , SECTION '' '' (apt 4), issued 2007-09-12. HPD violation 2106128
• Class B: REPLACE WITH NEW THE BROKEN OR DEFECTIVE VINYL TILE REAR ROOM & PRIVATE HALL 4 STY APT 4. , SECTION '' '' (apt 4), issued 2007-09-12. HPD violation 2162343
• 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 18893008
• Class A: Gas defect, kitchen. PROPERLY SECURE THE LOOSE OVEN DOOR GAS RANGE KITCHEN 4 STY APT 4. , SECTION '' '' (apt 4), issued 2007-09-12. HPD violation 2106129
• Class A: Door, lock or intercom defect (entrance). REFIT DOOR ENTRANCE 4 STY APT 4. , SECTION '' '' (apt 4), issued 2007-09-12. HPD violation 2162344

311 housing complaints

0 in the last 12 months, 0 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: Owner reported 0 infested units
• 2024: No bedbug filing on record for this year
• 2023: Owner reported 0 infested units
• 2022: Owner reported 0 infested units
• 2021: No bedbug filing on record for this year

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: JEAN C LANGE. Head officer: JEAN C LANGE. Managing agent: STEPHEN R ETTLINGER. This owner has 2 buildings on record, 0 graded D or F. See the full portfolio.

Last HPD registration Aug 5, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3009330059, HPD building ID 374767. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Bergen St (2, 3), 1 min walk
• Atlantic Av-Barclays Ctr (D, N, R), 5 min walk
• Atlantic Av-Barclays Ctr (B, Q), 6 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.