Worst buildings in West Harlem, Manhattan

366 West 127th Street has the most open HPD violations per 10 units of any graded rental building with 6 or more units in West Harlem: 352.5 per 10 units, 282 open in all, 102 of them class C.

Graded rental buildings with 6 or more units, ranked by open NYC HPD housing code violations per 10 units, the same rule as the citywide list. Co-ops, condos and public housing (NYCHA) are left out. Only buildings with an HPD violation issued in the last 24 months or a 311 housing complaint in the last 12 are listed. Class C means immediately hazardous. Records as of Oct 26, 2026.

#	Address	Units	Open per 10 units	Open violations	Grade	Owner
1	366 West 127th Street	8	352.5	282 (102 class C)	F	ECDO HOUSES ASSOCIATES LP
2	364 West 127th Street	10	188	188 (42 class C)	F	ECDO HOUSES ASSOCIATES LP (City program owner (HDFC))
3	433 West 126th Street	11	164.5	181 (21 class C)	F	Not on file
4	506 West 135th Street	24	159.6	383 (95 class C)	F	Not on file
5	504 West 126th Street	9	146.7	132 (43 class C)	F	DENDUR/GENESIS II HOUSING DEVELOPMENT
6	502 West 134th Street	30	116	348 (51 class C)	F	HRP 133-134 OWNER LLC
7	618 West 136th Street	28	114.6	321 (111 class C)	F	COLUMBIA HEIGHTS 136 LLC
8	1350 Amsterdam Avenue	16	110	176 (54 class C)	F	SAFA REALTY ASSOCIATES
9	12 Old Broadway	24	107.5	258 (71 class C)	F	Not on file
10	363 West 126th Street	20	104	208 (61 class C)	F	ECDO HOUSES ASSOCIATES LP
11	519 West 133rd Street	40	97	388 (121 class C)	F	HRP 133-134 OWNER LLC
12	16 Old Broadway	16	86.9	139 (41 class C)	F	WHGA RENASSANCE APARTMENTS LP
13	171 Morningside Avenue	10	83	83 (19 class C)	F	161-171 MORNINGSIDE LLC
14	636 West 138th Street	23	80.9	186 (56 class C)	F	JM GREEN REALTY/LARMIC REALTY LLC
15	3285 Broadway	8	80	64 (14 class C)	F	WHGA RENAISSANCE APARTMENTS, LP
16	50 Convent Avenue	20	78.5	157 (27 class C)	F	Not on file
17	543 West 125th Street	43	76.7	330 (150 class C)	F	Not on file
18	496 West 133rd Street	15	70	105 (50 class C)	D	496 MANHATTAN LLC
19	361 West 126th Street	20	67	134 (22 class C)	F	ECDO HOUSES ASSOCIATES LP
20	1512 Amsterdam Avenue	22	65.5	144 (32 class C)	F	1512 LLC
21	521 West 125th Street	6	65	39 (6 class C)	D	KETER LOUTIE LLC
22	634 West 135th Street	39	59	230 (40 class C)	F	WEST 135 STREET 634 REALTY LLC
23	372 West 127th Street	10	57	57 (13 class C)	F	372 West 127th Street Holdings LLC
24	1484 Amsterdam Avenue	28	54.6	153 (40 class C)	F	Not on file
25	1465 Amsterdam Avenue	14	52.9	74 (31 class C)	F	ZELPHA PHARMACY INC
26	3287 Broadway	8	51.3	41 (12 class C)	F	WHGA RENAISSANCE APARTMENTS LP
27	1457 Amsterdam Avenue	9	50	45 (28 class C)	F	AMSTERDAM GARVEY HOUSING DEVELOPMENT FUND CORP. (City program owner (HDFC))
28	622 West 136th Street	17	47.6	81 (22 class C)	F	COLUMBIA HEIGHTS 136 LLC
29	167 Morningside Avenue	10	47	47 (11 class C)	F	161-171 MORNINGSIDE LLC
30	1492 Amsterdam Avenue	18	46.7	84 (13 class C)	F	EDWARD DOZIER SR. HDFC (City program owner (HDFC))
31	516 West 136th Street	24	45.8	110 (30 class C)	F	516 W 136, LLC
32	1488 Amsterdam Avenue	18	45	81 (34 class C)	F	EDWARD DOZIER SR. HDFC (City program owner (HDFC))
33	169 Morningside Avenue	10	44	44 (16 class C)	F	161-171 MORNINGSIDE LLC
34	3289 Broadway	8	40	32 (5 class C)	D	Not on file
35	3341 Broadway	44	36.6	161 (59 class C)	F	601 WEST 135TH STREET CO, LLC
36	367 West 126th Street	9	35.6	32 (8 class C)	F	ECDO HOUSES ASSOCIATES LP
37	508 West 136th Street	25	35.2	88 (14 class C)	F	508 WEST 136 LLC
38	8 Convent Avenue	6	33.3	20 (3 class C)	D	8 Convent Avenue LLC
39	411 West 128th Street	30	31.7	95 (6 class C)	D	Not on file
40	528 West 136th Street	37	31.4	116 (35 class C)	F	Not on file
41	419 West 129th Street	48	31.3	150 (36 class C)	F	129 STREET REALTY CORP
42	1508 Amsterdam Avenue	22	30.9	68 (15 class C)	F	1508-10 AMSTERDAM AVENUE HDFC (City program owner (HDFC))
43	509 West 135th Street	15	30.7	46 (18 class C)	F	AMSTERDAM 135, LLC (City program owner (HDFC))
44	1516 Amsterdam Avenue	20	30	60 (36 class C)	F	FARIBA ENTERPRIES INC
45	165 Morningside Avenue	10	30	30 (0 class C)	F	161-171 MORNINGSIDE LLC
46	616 West 138th Street	6	30	18 (3 class C)	D	Individual owner
47	409 West 127th Street	36	28.6	103 (7 class C)	F	VICTOR SANCHEZ HDFC (City program owner (HDFC))
48	510 West 134th Street	32	27.2	87 (23 class C)	F	510-512 YELLOW APPLE LLC
49	408 West 129th Street	30	27	81 (45 class C)	F	408-412 Pineapple LLC
50	163 Morningside Avenue	10	27	27 (2 class C)	F	161-171 MORNINGSIDE LLC
51	545 West 133rd Street	10	26	26 (3 class C)	F	GREENE PACKAGE REALTY LLC
52	1496 Amsterdam Avenue	25	25.2	63 (10 class C)	F	EDWARD DOZIER SR HDFC (City program owner (HDFC))
53	365 West 126th Street	11	24.5	27 (4 class C)	D	BBIEN Holdings LLC
54	634 West 138th Street	6	23.3	14 (0 class C)	D	634 W 138TH ST LLC
55	626 West 135th Street	31	23.2	72 (15 class C)	F	630 W 135TH ST LLC
56	173 Morningside Avenue	8	22.5	18 (3 class C)	F	M&K REAL ESTATE HOLDINGS CORP.
57	1532 Amsterdam Avenue	23	22.2	51 (24 class C)	F	IMBAT REALTY LLC
58	513 West 134th Street	20	22	44 (11 class C)	F	513 YELLOW APPLE LLC
59	1453 Amsterdam Avenue	9	21.1	19 (6 class C)	F	AMSTERDAM 135 LLC (City program owner (HDFC))
60	106 Convent Avenue	34	20.9	71 (15 class C)	F	106-108 CONVENT BCR LLC
61	412 West 129th Street	30	20.7	62 (15 class C)	F	408-412 Pineapple LLC
62	6 Convent Avenue	10	20	20 (10 class C)	F	6 Convent Owners LLC
63	1524 Amsterdam Avenue	16	18.8	30 (7 class C)	F	AMSTERDAM GARVEY HOUSING DEVELOPMENT FUND CORP. (City program owner (HDFC))
64	3281 Broadway	22	18.6	41 (5 class C)	F	CHARLES INNISS HOUSING DEVELPMENTCORP (City program owner (HDFC))
65	507 West 134th Street	20	18.5	37 (9 class C)	F	RAM LLC
66	1528 Amsterdam Avenue	16	18.1	29 (10 class C)	D	AMSTERDAM GARVEY HOUSING DEVELOPMENT FUND CORP. (City program owner (HDFC))
67	25 Convent Avenue	30	18	54 (12 class C)	D	21-25 CONVENT AVE REALTY LLC
68	560 West 126th Street	18	17.8	32 (4 class C)	F	WEST 126TH INVESTORS, LLC
69	1437 Amsterdam Avenue	13	17.7	23 (16 class C)	F	SND20 LLC
70	3340 Broadway	36	17.5	63 (42 class C)	F	ALLEGRO BROADWAY CORP
71	110 Convent Avenue	30	17.3	52 (15 class C)	F	110 CONVENT BCR,LLC
72	567 West 125th Street	22	17.3	38 (16 class C)	F	567 Partners, LLC
73	21 Convent Avenue	24	17.1	41 (5 class C)	F	21-25 CONVENT AVE REALTY LLC
74	3350 Broadway	32	16.9	54 (23 class C)	F	3350 BW 136 INC
75	518 West 136th Street	24	16.7	40 (14 class C)	F	CIMBA KING LLC
76	1500 Amsterdam Avenue	24	16.3	39 (30 class C)	F	AMSTERDAM PARTNERS, LLC
77	373 West 126th Street	10	16	16 (11 class C)	F	373 WEST 126TH OWNER, LLC
78	409 West 129th Street	48	15.8	76 (20 class C)	F	409 REALTY HOLDINGS LLC
79	1455 Amsterdam Avenue	9	15.6	14 (1 class C)	F	AMSTERDAM GARVEY HOUSING DEVELOPMENT FUND CORP. (City program owner (HDFC))
80	564 West 126th Street	20	15	30 (8 class C)	F	WEST 126TH INVESTORS, LLC
81	604 West 138th Street	8	15	12 (12 class C)	D	Individual owner
82	35 St Nicholas Terrace	53	14.7	78 (15 class C)	F	ARYEH FAMILY HOLDINGS LLC
83	439 West 126th Street	14	14.3	20 (4 class C)	D	CITYWIDE PRESERVATION LLC
84	1520 Amsterdam Avenue	22	14.1	31 (3 class C)	F	YASMEH REALTY LLC
85	161 Morningside Avenue	10	14	14 (12 class C)	F	375 WEST 126TH OWNER, LLC
86	590 Riverside Drive	39	13.8	54 (26 class C)	F	593 RIVERSIDE ASSOCIATES LLC
87	619 West 136th Street	21	13.8	29 (14 class C)	F	HSP REALTY CORp
88	1475 Amsterdam Avenue	8	13.8	11 (6 class C)	F	AMSTERDAM CONVENT REALTY ASSOC LP
89	519 West 134th Street	25	13.6	34 (10 class C)	F	519 W 134 ST LLC
90	370 West 127th Street	10	13	13 (2 class C)	D	370 WEST 127TH OWNER, LLC
91	8 St Nicholas Terrace	10	13	13 (4 class C)	F	WHGA SCHOMBURG PLACE HOUSING DEVELOPMENT FUND CORP (City program owner (HDFC))
92	502 West 135th Street	24	12.9	31 (16 class C)	F	502 W 135 BH LLC
93	418 West 130th Street	50	12.2	61 (15 class C)	F	418 W 130TH LLC
94	408 West 130th Street	83	12	100 (37 class C)	F	BTG, LLC
95	606 West 137th Street	26	11.9	31 (22 class C)	F	JEMS NEW YORK REALTY LLC
96	379 West 127th Street	21	11.9	25 (10 class C)	F	TERRACE APARTMENTS BUILDINGS COMPANY INC
97	525 West 135th Street	25	11.6	29 (15 class C)	F	525 - 527 W 135, LLC
98	1 Convent Avenue	24	11.3	27 (3 class C)	D	1 CONVENT REALTY LLC
99	594 Riverside Drive	36	11.1	40 (4 class C)	F	HUDSON PIERS ASSOCIATES
100	175 Morningside Avenue	10	11	11 (4 class C)	F	TYHUM LLC

The full list for West Harlem, up to 100 buildings. Each row is the record, not a verdict.

More for West Harlem: rent-stabilized buildings, best buildings, heat complaints, and the West Harlem page.

Sources: NYC HPD housing maintenance code violations, HPD property registrations and housing litigation, 311 service requests, DOB violations, NYC Marshals evictions, and HPD bedbug filings from NYC Open Data, plus rent-stabilized unit counts from NYC Department of Finance tax bills. How grades work.