Building health · BROOKLYN, NY

4200 Ave K

built 1955 · 6 stories · 108 apartments
Registered with the city: DIAMOND MANAGEMENT · 5 other buildings here list it; 4200 AVENUE K EQUITIES LLC; KF 4200 AVENUE K EQUITIES, LLC · 1 other building here list it
Ownership transferred Dec 2023, no sale price · NYC Department of Finance
Heat or hot water: 34 reports to the city since 2024
2024Heat or hot water · Mar 2024 · 1 report (1 complaint)Mar 21, 2024Heat or hot water · Sep 2024 · 1 report (3 complaints)Sep 30, 2024Oct 4, 2024Oct 5, 2024Heat or hot water · Oct 2024 · 2 reports (10 complaints)Oct 17, 2024Oct 18, 2024Oct 19, 2024Oct 20, 2024Oct 27, 2024Oct 27, 2024 (2nd)Oct 28, 2024Oct 30, 2024Nov 3, 2024Nov 3, 2024 (2nd)Heat or hot water · Nov 2024 · 3 reports (16 complaints)Nov 4, 2024Nov 10, 2024Nov 12, 2024Nov 15, 2024Nov 27, 2024Nov 29, 2024Nov 30, 2024Nov 30, 2024 (2nd)Dec 1, 2024Dec 1, 2024 (2nd)Dec 1, 2024 (3rd)Dec 1, 2024 (4th)Dec 1, 2024 (5th)Dec 2, 2024Dec 2, 2024 (2nd)Dec 2, 2024 (3rd)Heat or hot water · Dec 2024 · 1 report (6 complaints)Dec 6, 2024Dec 6, 2024 (2nd)Dec 7, 2024Dec 7, 2024 (2nd)Dec 9, 2024Dec 13, 2024
2025Heat or hot water · Jan 2025 · 2 reports (10 complaints)Jan 2, 2025Jan 4, 2025Jan 5, 2025Jan 8, 2025Jan 9, 2025Jan 20, 2025Jan 24, 2025Jan 25, 2025Jan 25, 2025 (2nd)Jan 25, 2025 (3rd)Heat or hot water · Feb 2025 · 2 reports (4 complaints)Feb 12, 2025Feb 12, 2025 (2nd)Feb 20, 2025Feb 23, 2025Heat or hot water · Mar 2025 · 2 reports (3 complaints)Mar 5, 2025Mar 5, 2025 (2nd)Mar 14, 2025Heat or hot water · May 2025 · 1 report (2 complaints)May 24, 2025May 25, 2025Heat or hot water · Oct 2025 · 2 reports (19 complaints)Oct 10, 2025Oct 16, 2025Oct 17, 2025Oct 23, 2025Oct 23, 2025 (2nd)Oct 24, 2025Oct 24, 2025 (2nd)Oct 25, 2025Oct 26, 2025Oct 26, 2025 (2nd)Oct 27, 2025Oct 27, 2025 (2nd)Oct 28, 2025Oct 28, 2025 (2nd)Oct 29, 2025Oct 29, 2025 (2nd)Oct 30, 2025Oct 30, 2025 (2nd)Oct 30, 2025 (3rd)Heat or hot water · Nov 2025 · 4 reports (23 complaints)Nov 1, 2025Nov 2, 2025Nov 3, 2025Nov 4, 2025Nov 4, 2025 (2nd)Nov 5, 2025Nov 6, 2025Nov 7, 2025Nov 10, 2025Nov 11, 2025Nov 13, 2025Nov 13, 2025 (2nd)Nov 14, 2025Nov 15, 2025Nov 16, 2025Nov 18, 2025Nov 19, 2025Nov 21, 2025Nov 22, 2025Nov 23, 2025Nov 26, 2025Nov 28, 2025Dec 1, 2025Heat or hot water · Dec 2025 · 3 reports (12 complaints)Dec 4, 2025Dec 7, 2025Dec 13, 2025Dec 18, 2025Dec 19, 2025Dec 20, 2025Dec 22, 2025Dec 22, 2025 (2nd)Dec 25, 2025Dec 27, 2025Dec 28, 2025Dec 29, 2025
2026Heat or hot water · Jan 2026 · 2 reports (6 complaints)Jan 1, 2026Jan 5, 2026Jan 25, 2026Jan 28, 2026Feb 1, 2026Feb 1, 2026 (2nd)Heat or hot water · Feb 2026 · 3 reports (14 complaints)Feb 2, 2026Feb 2, 2026 (2nd)Feb 2, 2026 (3rd)Feb 4, 2026Feb 7, 2026Feb 8, 2026Feb 18, 2026Feb 20, 2026Feb 20, 2026 (2nd)Feb 22, 2026Feb 22, 2026 (2nd)Feb 22, 2026 (3rd)Feb 25, 2026Feb 27, 2026Heat or hot water · Mar 2026 · 1 report (2 complaints)Mar 13, 2026Mar 18, 2026Heat or hot water · Apr 2026 · 1 report (3 complaints)Apr 24, 2026Apr 25, 2026Apr 30, 2026Heat or hot water · May 2026 · 1 report (2 complaints)May 26, 2026May 28, 2026Heat or hot water · Oct 2026 · 2 reports (3 complaints)Oct 7, 2026Oct 17, 2026Oct 18, 2026
Source: HPD Complaints and Problems · as of 2026-10-23

By apartment

50 of 108 apartments named in a city record
Apt 1AAApt 1BApt 1DApt 1DDApt 1FApt 1GApt 1JApt 2B+42 more

Also reported

2024 – 2026

A filled month had a report to HPD; darker means more than one, and the past year is brightest. Tap one to read it. Complaints within a week count as one report. Records list complaints filed, not conditions found.

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