The Mayfair

145 4th Avenue, New York, NY 10003

Prices shown are base rent only and don't include any fees. Visit each listing to see a complete cost breakdown.

Studio
$4,650 base rent
1 bed
$5,600 – $5,675 base rent
2 beds
$9,700 base rent
3 beds
$11,000 base rent

Last updated on 11/17/2025.

Leasing team

Manhattan Realty Group

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About

209 units

17 stories

1964 built

145 4th Ave stands as an iconic address at the heart of Union Square. With the assurance of a 24-hour doorman, this building merges urban living with security. Experience the vibrant city life while being surrounded by culture, restaurants, and shopping. Your perfect urban oasis awaits.

Leasing team

Manhattan Realty Group

(212) 470-7070

Office Address: 211 East 43rd - 8th floor
Hours: By Appointment Only

Facts

Development status: Completed
Management team: BLDG
Marketing team: Manhattan Realty Group
Owner: BLDG MAYFAIR LLC
District: Community District 103City Council District 2Police Precinct 9
Building class: D6
Documents and permits: View documents and permits

Available units

Prices shown are base rent only and don't include any fees. Visit each listing to see a complete cost breakdown.

#9M

$4,650

Available: Now

Studio

1 bath

496 ft²

Listing by Manhattan Realty Group

#9N

$4,650

Available: Now

Studio

1 bath

- ft²

Listing by Manhattan Realty Group

#12J

$5,600

Available: Now

1 bed

1 bath

- ft²

Listing by Manhattan Realty Group

#10J

$5,650

Open house: Dec 11 (9 AM–6 PM ET), by appt only

Available: Now

1 bed

1 bath

635 ft²

Listing by Manhattan Realty Group

#16K

$5,675

Open house: Dec 5 (9:30 AM–6 PM ET), by appt only

Available: Now

1 bed

1 bath

680 ft²

Listing by Manhattan Realty Group

#9F

$9,700

Open house: Dec 5 (8 AM–8 PM ET), by appt only

Available: Now

2 beds

2 baths

1,245 ft²

Listing by Manhattan Realty Group

#14GH

$11,000

Available: Dec 15

3 beds

3 baths

- ft²

Listing by Manhattan Realty Group

Unavailable sales

			Status				Floor plan
12/10/18		$0	Recorded closing (non-market sale)	-	- baths	- ft²	-

Unavailable rentals

						Floor plan
11/10/25	#10G	$6,975	1 bed	1 bath	900 ft²	-
11/06/25	#15D	$5,150	Studio	1 bath	- ft²
11/06/25	#9C	$5,150	Studio	1 bath	- ft²	-
11/06/25	#8L	$5,450	1 bed	1 bath	- ft²	-
11/06/25	#PHL	$5,875	1 bed	1 bath	- ft²	-
11/06/25	#17A	$7,900	1 bed	1 bath	990 ft²
11/06/25	#5G	$7,100	1 bed	1 bath	892 ft²	-
10/06/25	#15C	$6,450	1 bed	1 bath	- ft²	-
10/03/25	#PHN	$4,850	Studio	1 bath	- ft²
09/04/25	#PHC	$5,000	Studio	1 bath	523 ft²	-
09/04/25	#12E	$6,600	1 bed	1 bath	760 ft²
08/14/25	#12F	$4,275	1 bed	1 bath	- ft²	-
08/11/25	#5B	$7,000	1 bed	1 bath	960 ft²
07/30/25	#5C	$6,100	1 bed	1 bath	700 ft²	-
07/30/25	#17E	$6,800	1 bed	1 bath	- ft²	-
07/30/25	#15K	$5,400	1 bed	1 bath	- ft²	-
07/15/25	#11L	$5,600	1 bed	1 bath	636 ft²
05/27/25	#11A	$7,550	1 bed	1 bath	- ft²
05/07/25	#3B	$5,600	1 bed	1 bath	- ft²	-
05/07/25	#4L	$5,395	1 bed	1 bath	650 ft²
05/07/25	#16A	$8,250	2 beds	2 baths	990 ft²
04/29/25	#12P	$4,575	Studio	1 bath	- ft²	-
04/10/25	#8G	$6,350	1 bed	1 bath	892 ft²
03/21/25	#8P	$4,975	1 bed	1 bath	- ft²
03/21/25	#3E	$5,650	1 bed	1 bath	760 ft²
03/21/25	#16G	$6,200	1 bed	1 bath	- ft²	-
03/21/25	#3K	$4,900	1 bed	1 bath	659 ft²	-
03/19/25	#14H	$5,200	1 bed	1 bath	- ft²	-
03/12/25	#9G	$7,425	2 beds	2 baths	- ft²	-
03/07/25	#16J	$5,050	1 bed	1 bath	635 ft²
03/04/25	#3M	$4,350	Studio	1 bath	- ft²
03/04/25	#7A	$6,800	1 bed	1 bath	990 ft²	-
02/03/25	#5N	$4,350	Studio	1 bath	495 ft²
02/03/25	#4N	$4,325	Studio	1 bath	495 ft²	-
01/29/25	#15A	$6,980	1 bed	1 bath	990 ft²
01/29/25	#7J	$4,750	1 bed	1 bath	635 ft²	-
01/09/25	#10M	$4,000	Studio	1 bath	- ft²
01/09/25	#15P	$4,000	Studio	1 bath	500 ft²
01/09/25	#16D	$4,200	Studio	1 bath	549 ft²
01/06/25	#16B	$6,150	1 bed	1 bath	1,000 ft²	-
12/13/24	#17M	$3,530	Studio	1 bath	640 ft²
12/13/24	#15L	$3,970	1 bed	1 bath	760 ft²
12/07/24	#10L	$5,230	1 bed	1 bath	636 ft²
12/06/24	#10K	$3,970	1 bed	1 bath	760 ft²
12/02/24	#PHB	$7,211	2 beds	2 baths	- ft²	-
11/18/24	#PHP	$4,395	1 bed	1 bath	550 ft²	-
10/03/24	#14B	$4,620	1 bed	1 bath	900 ft²
09/24/24	#12H	$4,950	1 bed	1 bath	- ft²	-
09/03/24	#5P	$4,250	Studio	1 bath	500 ft²	-
08/29/24	#5J	$4,875	1 bed	1 bath	- ft²	-
08/15/24	#9B	$6,500	2 beds	2 baths	- ft²	-
08/13/24	#14D	$4,525	Studio	1 bath	549 ft²
08/12/24	#5M	$4,150	Studio	1 bath	530 ft²
07/26/24	#9L	$4,875	1 bed	1 bath	- ft²	-
07/24/24	#3N	$4,100	Studio	1 bath	500 ft²
07/06/24	#6L	$4,800	1 bed	1 bath	- ft²
06/19/24	#7M	$4,450	Studio	1 bath	- ft²
06/19/24	#12M	$4,150	Studio	1 bath	- ft²
06/03/24	#14L	$5,000	1 bed	1 bath	- ft²	-
05/22/24	#6H	$4,800	1 bed	1 bath	- ft²	-
05/22/24	#3A	$5,300	1 bed	1 bath	- ft²
05/15/24	#6J	$4,800	1 bed	1 bath	635 ft²
05/15/24	#9J	$4,800	1 bed	1 bath	- ft²	-
04/17/24	#15M	$4,000	Studio	1 bath	496 ft²
02/01/24	#6A	$6,275	1 bed	1 bath	- ft²	-
01/30/24	#8C	$4,100	Studio	1 bath	580 ft²	-
01/15/24	#10A	$6,350	1 bed	1 bath	1,000 ft²
11/14/23	#14P	$4,095	Studio	1 bath	528 ft²	-
11/04/23	#3L	$4,150	1 bed	1 bath	650 ft²	-
10/27/23	#3H	$4,025	1 bed	1 bath	640 ft²
10/24/23	#3P	$3,975	1 bed	1 bath	- ft²	-
10/04/23	#11H	$4,750	1 bed	1 bath	- ft²	-
10/02/23	#12G	$6,125	1 bed	1 bath	900 ft²
09/19/23	#10H	$4,420	Studio	1 bath	640 ft²
09/14/23	#PHH	$4,700	Studio	1 bath	640 ft²
08/01/23	#9H	$4,200	Studio	1 bath	640 ft²
06/12/23	#15E	$5,480	1 bed	1 bath	760 ft²
06/09/23	#PHJ	$4,825	1 bed	1 bath	635 ft²	-
05/16/23	#17P	$4,400	Studio	1 bath	509 ft²
05/15/23	#5K	$4,600	1 bed	1 bath	609 ft²	-
05/02/23	#10C	$4,540	1 bed	1 bath	700 ft²
04/05/23	#3D	$4,200	Studio	1 bath	549 ft²
01/13/23	#11F	$7,900	2 beds	2 baths	1,245 ft²
01/05/23	#10E	$5,250	1 bed	1 bath	760 ft²
12/09/22	#12B	$5,800	1 bed	1 bath	900 ft²
10/02/22	#11B	$6,000	1 bed	1 bath	900 ft²
05/23/22	#8J	$4,500	1 bed	1 bath	615 ft²
04/16/22	#8H	$3,900	Studio	1 bath	640 ft²
03/11/22	#8D	$5,500	2 beds	1 bath	821 ft²	-
09/27/21	#4GH	$8,500	3 beds	2.5 baths	1,482 ft²
09/20/21	#10EE	$4,850	1 bed	1 bath	760 ft²	-
09/20/21	#E10	$4,850	1 bed	1 bath	- ft²	-
09/15/21	#15F	$7,300	2 beds	2 baths	1,242 ft²
09/13/21	#17D	$3,700	Studio	1 bath	549 ft²
09/13/21	#6C	$4,750	1 bed	1 bath	700 ft²
07/08/21	#10JJ	$4,350	1 bed	1 bath	635 ft²	-
06/15/21	#8	$4,675	1 bed	1 bath	900 ft²	-
06/10/21	#8CC	$3,800	Studio	1 bath	- ft²	-
06/07/21	#12	$3,800	1 bed	1 bath	- ft²	-
05/30/21	#16	$7,200	2 beds	2 baths	900 ft²	-
05/27/21	#9MM	$3,250	Studio	1 bath	- ft²	-
05/27/21	#10	$4,000	1 bed	1 bath	- ft²	-
05/14/21	#7D	$3,450	Studio	1 bath	549 ft²	-
05/11/21	#PHL0	$3,500	Studio	1 bath	650 ft²	-
05/06/21	#9D	$3,495	1 bed	1 bath	- ft²	-
05/05/21	#14M	$3,175	Studio	1 bath	500 ft²	-
04/28/21	#7P	$3,175	Studio	1 bath	509 ft²
04/27/21	#14F	$6,695	2 beds	2 baths	1,600 ft²	-
04/22/21	#9	$3,250	Studio	1 bath	640 ft²	-
04/13/21	#15	$3,625	1 bed	1 bath	- ft²	-
03/03/21	#3AA	$4,200	1 bed	1 bath	950 ft²	-
02/04/21	#8DD	$4,900	2 beds	1 bath	768 ft²	-
01/31/21	#8PP	$3,175	1 bed	1 bath	509 ft²	-
10/21/20	#5D	$2,629	Studio	1 bath	549 ft²
09/23/20	#7F	$5,500	2 beds	2 baths	1,242 ft²	-
09/21/20	#11K	$4,100	1 bed	1 bath	634 ft²
07/01/20	#11D	$3,483	1 bed	1 bath	540 ft²
12/24/18	#14G	$5,575	1 bed	1 bath	892 ft²
06/18/18	#9P	$3,000	Studio	1 bath	- ft²
06/14/18	#PHK	$3,900	Studio	1 bath	659 ft²	-
04/23/18	#6M	$3,425	Studio	1 bath	- ft²	-
03/19/18	#7L	$3,450	Studio	1 bath	643 ft²	-
02/07/18	#4P	$3,300	Studio	1 bath	600 ft²	-
10/03/17	#8K	$3,550	Studio	1 bath	659 ft²	-
07/26/17	#10U	$3,395	Studio	1 bath	640 ft²	-
03/03/17	#16E	$4,750	1 bed	1 bath	760 ft²	-
03/03/17	#4G	$7,995	3 beds	2 baths	1,482 ft²
10/21/16	#12K	$3,800	Studio	1 bath	659 ft²	-
08/10/16	#10N	$3,600	Studio	1 bath	495 ft²	-
07/29/16	#4E	$4,875	1 bed	1 bath	760 ft²
07/22/16	#7K	$3,800	Studio	1 bath	659 ft²	-
04/22/16	#6G	$4,825	1 bed	1 bath	892 ft²	-
03/11/16	#7N	$3,450	Studio	1 bath	495 ft²
03/11/16	#8F	$6,450	2 beds	2 baths	1,242 ft²
02/04/16	#10B	$4,675	1 bed	1 bath	900 ft²
01/04/16	#16L	$3,552	Studio	1 bath	636 ft²	-
07/10/15	#6N	$3,650	Studio	1 bath	- ft²	-
05/07/15	#9E	$4,500	1 bed	1 bath	760 ft²	-
04/06/15	#9A	$6,400	2 beds	2 baths	- ft²	-
03/11/15	#17F	$6,800	2 beds	2 baths	- ft²	-
08/14/14	#5E	$4,350	1 bed	1 bath	760 ft²	-
05/15/14	#11J	$3,700	Studio	1 bath	- ft²	-
03/25/14	#8N	$3,200	Studio	1 bath	- ft²	-
11/06/13	#16C	$4,300	1 bed	1 bath	700 ft²	-
10/17/13	#17L	$3,450	Studio	1 bath	636 ft²	-
11/23/12	#18C	$4,000	1 bed	1 bath	700 ft²	-
10/15/12	#18P	$3,100	1 bed	1 bath	509 ft²	-
09/24/12	#18K	$3,450	Studio	1 bath	659 ft²	-
08/20/12	#16M	$3,050	Studio	1 bath	496 ft²	-
07/16/12	#18J	$3,650	Studio	1 bath	635 ft²	-
07/09/12	#17C	$4,400	1 bed	1 bath	700 ft²	-
11/21/11	#15G	$4,200	1 bed	1 bath	892 ft²	-
10/17/11	#18H	$3,350	Studio	1 bath	640 ft²	-
01/12/11	#L	$3,000	Studio	1 bath	636 ft²	-
04/24/10	#12D	$2,650	Studio	1 bath	- ft²	-
01/14/10	#4PTM	$7,000	3 beds	2.5 baths	1,700 ft²	-
06/17/09	#4G4H	$6,800	3 beds	1 bath	1,532 ft²	-
12/10/08	#16C1	$5,950	3 beds	2 baths	- ft²	-
07/26/07		$2,900	Studio	1 bath	495 ft²	-