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100 Lefferts Ave

📍 Prospect Heights, Brooklyn Built 1929 60 units Class D1 Residential
Registered to MARGARET BRUNN LLC / Partnership HPD registration · updated monthly
CRITICAL RISK
26 Open Violations
19C 5B 2A
51 Complaints (12 mo) ↓ down vs prior year
0 Last 30 Days
Renting here? This building has 19 unresolved immediately-hazardous violations — ask the landlord what's being done about them before you sign.

311 Complaint Summary

0
Last 30 Days
6
Last 90 Days
51
Last 365 Days
✅ Complaints are down 24% compared to the previous 6 months.
🐀 27 pest infestation complaints filed with HPD since 2024
Complaint Types (Last 12 Months)
UNSANITARY CONDITION
24(49%)
HEAT/HOT WATER
9(18%)
PAINT/PLASTER
4(8%)
PLUMBING
3(6%)
FLOORING/STAIRS
3(6%)
WATER LEAK
2(4%)
ELECTRIC
2(4%)
DOOR/WINDOW
2(4%)
📅 Monthly Activity Heatmap (Last 12 Months)
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul

Source: NYC 311 / HPD · Synced daily · Covers HPD-managed residential buildings · Records from Jan 2024 onward

DOHMH Rat Inspection History

8 Inspections on Record
Passed Most Recent Result
2024-07-30 Most Recent Date
2024-07-30 Initial Passed
2024-05-17 Initial Passed
2023-11-30 Compliance Passed
2023-10-05 Initial Failed for Rat Activity
2023-03-24 Initial Passed
2023-01-05 Initial Failed for Other Reason
2022-03-04 Initial Passed
2013-05-09 Initial Passed

Source: NYC DOHMH Rodent Inspections · Synced daily (30-day lookback) · Inspections may cover the building's block, not the exact address · DOHMH data publishes with ~10-day lag

HPD Housing Violations

2 Class A
5 Class B
19 Class C
Driving this immediately hazardous rating
Class C Active roach infestation 2026-02-03
Class C Provide hot water at all hot water fixtures 2026-01-27
See all 26 violations ▼
Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH
2026-02-03 ▼

Violation ID: #18615827

Current Status: Open

Date Issued: 2026-02-03T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH

Class C § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH , SECTION ''WEST''
2026-01-27 ▼

Violation ID: #18599677

Current Status: Open

Date Issued: 2026-01-27T00:00:00.000

Description: § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH , SECTION ''WEST''

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH , SECTION ''WEST''
2026-01-27 ▼

Violation ID: #18599675

Current Status: Open

Date Issued: 2026-01-27T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH , SECTION ''WEST''

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH , SECTION ''EAST''
2026-01-14 ▼

Violation ID: #18572487

Current Status: Open

Date Issued: 2026-01-14T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH , SECTION ''EAST''

Class C § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE RADIATOR SHUTOFF VALVE IN THE 1st ROOM FROM EAST AT NORTH LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH , SECTION ''EAST''
2026-01-14 ▼

Violation ID: #18572488

Current Status: Open

Date Issued: 2026-01-14T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE RADIATOR SHUTOFF VALVE IN THE 1st ROOM FROM EAST AT NORTH LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH , SECTION ''EAST''

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 6K, 6th STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION ''EAST''
2025-12-10 ▼

Violation ID: #18496463

Current Status: Open

Date Issued: 2025-12-10T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 6K, 6th STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION ''EAST''

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 6G, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH , SECTION ''WEST''
2025-12-10 ▼

Violation ID: #18496464

Current Status: Open

Date Issued: 2025-12-10T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 6G, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH , SECTION ''WEST''

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH
2025-10-22 ▼

Violation ID: #18318014

Current Status: Open

Date Issued: 2025-10-22T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-08-07 ▼

Violation ID: #18145395

Current Status: Open

Date Issued: 2025-08-07T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-08-07 ▼

Violation ID: #18145396

Current Status: Open

Date Issued: 2025-08-07T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-06-23 ▼

Violation ID: #18047842

Current Status: Open

Date Issued: 2025-06-23T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-06-23 ▼

Violation ID: #18047843

Current Status: Open

Date Issued: 2025-06-23T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH
2025-01-28 ▼

Violation ID: #17656068

Current Status: Open

Date Issued: 2025-01-28T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH
2025-01-28 ▼

Violation ID: #17656069

Current Status: Open

Date Issued: 2025-01-28T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2024-11-20 ▼

Violation ID: #17433401

Current Status: Open

Date Issued: 2024-11-20T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2024-11-20 ▼

Violation ID: #17433398

Current Status: Open

Date Issued: 2024-11-20T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT APT1E, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION ''WEST''
2024-10-12 ▼

Violation ID: #17343442

Current Status: Open

Date Issued: 2024-10-12T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT APT1E, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION ''WEST''

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST , SECTION ''WEST''
2024-10-04 ▼

Violation ID: #17321119

Current Status: Open

Date Issued: 2024-10-04T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST , SECTION ''WEST''

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 5J, 5th STORY, 1st APARTMENT FROM EAST AT SOUTH , SECTION ''WEST''
2024-06-23 ▼

Violation ID: #17067350

Current Status: Open

Date Issued: 2024-06-23T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 5J, 5th STORY, 1st APARTMENT FROM EAST AT SOUTH , SECTION ''WEST''

Class B § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE MARBLE THRESHOLD IN THE ENTRANCE LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH , SECTION ''EAST''
2026-01-14 ▼

Violation ID: #18572489

Current Status: Open

Date Issued: 2026-01-14T00:00:00.000

Description: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE MARBLE THRESHOLD IN THE ENTRANCE LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH , SECTION ''EAST''

Class B § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE PRIVATE HALLWAY LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH
2025-01-28 ▼

Violation ID: #17656066

Current Status: Open

Date Issued: 2025-01-28T00:00:00.000

Description: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE PRIVATE HALLWAY LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH

Class B § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE NORTH WALL AND CEILING IN THE BATHROOM LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH
2025-01-28 ▼

Violation ID: #17656067

Current Status: Open

Date Issued: 2025-01-28T00:00:00.000

Description: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE NORTH WALL AND CEILING IN THE BATHROOM LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE INTERCOM BELL BUZZER SYSTEM FROM BUILDING FRONT ENTRANCE TO WALL PANEL IN THE FOYER LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH
2025-01-28 ▼

Violation ID: #17656065

Current Status: Open

Date Issued: 2025-01-28T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE INTERCOM BELL BUZZER SYSTEM FROM BUILDING FRONT ENTRANCE TO WALL PANEL IN THE FOYER LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH

Class B § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT NORTH WALL (APPROX. 7 SQ. FT.) IN THE BATHROOM LOCATED AT APT 5D, 5th STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 17033329 ISSUED 06-JUN-24 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b).
2024-06-06 ▼

Violation ID: #17339976

Current Status: Open

Date Issued: 2024-06-06T00:00:00.000

Description: § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT NORTH WALL (APPROX. 7 SQ. FT.) IN THE BATHROOM LOCATED AT APT 5D, 5th STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 17033329 ISSUED 06-JUN-24 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b).

Class A §27-2104(B) HMC POST A PROPER NOTICE REGARDING RENT STABILIZATION LAW, IN A FORM APPROVED BY THE COMMISSIONER, IN A CONSPICUOUS LOCATION WITHIN THE COMMON AREA AT THE BUILDINGS ENTRANCE. FOR MORE INFORMATION ABOUT SIGNAGE REQUIREMENTS, PLEASE VISIT: HTTPS://WWW.NYC.GOV/SITE/HPD/SERVICES-AND-INFORMATION/REQUIRED-SIGNAGE.PAGE
2026-02-17 ▼

Violation ID: #18649773

Current Status: Open

Date Issued: 2026-02-17T00:00:00.000

Description: §27-2104(B) HMC POST A PROPER NOTICE REGARDING RENT STABILIZATION LAW, IN A FORM APPROVED BY THE COMMISSIONER, IN A CONSPICUOUS LOCATION WITHIN THE COMMON AREA AT THE BUILDINGS ENTRANCE. FOR MORE INFORMATION ABOUT SIGNAGE REQUIREMENTS, PLEASE VISIT: HTTPS://WWW.NYC.GOV/SITE/HPD/SERVICES-AND-INFORMATION/REQUIRED-SIGNAGE.PAGE

Class A § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR NORTH WALL IN THE BATHROOM LOCATED AT APT 5B, 5th STORY, 3rd APARTMENT FROM WEST AT NORTH
2024-07-31 ▼

Violation ID: #17159227

Current Status: Open

Date Issued: 2024-07-31T00:00:00.000

Description: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR NORTH WALL IN THE BATHROOM LOCATED AT APT 5B, 5th STORY, 3rd APARTMENT FROM WEST AT NORTH

⚠️ What does Class C mean?

Class C violations are classified as immediately hazardous by the HPD (e.g. lack of heat or hot water, active mold, severe rodent infestations, lead-based paint, or carbon monoxide detector issues). Landlords are legally required to resolve these immediately.

Source: NYC HPD Housing Violations · Synced daily · Open violations only — closed violations excluded · Class I (administrative/registration notices) excluded from counts

What This Means If You're Considering Renting Here

This building has 19 Class C (immediately hazardous) violations currently open — the most serious HPD category. With 51 complaints filed in the last 12 months, prospective renters should exercise significant caution, request a full HPD inspection history, and consult a tenant rights organization before signing any lease.

Data current as of July 10, 2026. Always verify independently with HPD before signing a lease.

Data Disclaimer: All compliance data on this page is synced directly from municipal reports published via NYC Open Data. Complaint counts and HPD housing violations are updated daily. Building characteristics (built year, unit count, and building class) are derived from the NYC Department of City Planning's PLUTO database.

Data last updated: July 10, 2026 · Source: NYC Open Data

⚠️ Serious Concerns Found

This building has 51 complaints and 19 Class C (immediately hazardous) violations on record in the last 12 months. Review the full violation list carefully before signing any lease.

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About This Data

Complaint data is sourced from the NYC 311 Service Requests dataset (NYC Open Data). Violation data is from the HPD Housing Maintenance Code Violations dataset. Building info is based on NYC PLUTO by NYC Department of City Planning.

All records are public-domain municipal data provided as-is. Updated daily. Last verified: July 10, 2026.