Cheap Rentals in Union Square Under $4000/mo

Entire Place in 71 Bow St. - Union Square

1 Bedroom 1 Bath 678 sq ft

$3,900, Rent

Avail. Oct 1, 2026

Entire Place in 11 Church St. - Union Square

2 Bedroom 2 Baths 1248 sq ft

$3,950, Rent

Avail. Sep 1, 2026

Entire Place in 346 Somerville Ave. - Union Square

1 Bedroom 1 Bath

$3,650, Rent

Avail. Aug 28, 2026

Entire Place in 8-10 Carlton St. - Union Square

2 Bedroom 1 Bath 900 sq ft

$3,450, Rent

Avail. Aug 24, 2026

No photo

Entire Place in 16 Concord - Union Square

2 Bedroom 1 Bath 780 sq ft

$2,800, Rent

Avail. Aug 18, 2026

Entire Place in 23 Parkdale St. - Union Square

3 Bedroom 1 Bath 1100 sq ft

$3,200, Rent

Avail. Sep 1, 2026

Cosigner*

Entire Place in 12 Kilby St. - Union Square

3 Bedroom 1 Bath 1100 sq ft

$3,000, Rent

Avail. Sep 1, 2026

Entire Place in 40 Concord Ave. - Union Square

3 Bedroom 1 Bath 1184 sq ft

$3,950, Rent

Avail. Jun 23, 2026

+5 similar units available

Entire Place in 346 Somerville Ave. - Union Square

Studio 1 Bath

$2,645, Rent

Avail. Sep 24, 2026

+5 similar units available

Entire Place in 346 Somerville Ave. - Union Square

Studio 1 Bath

$2,620, Rent

Avail. Sep 9, 2026

+5 similar units available

Entire Place in 346 Somerville Ave. - Union Square

Studio 1 Bath

$2,870, Rent

Avail. Dec 31, 2026

+5 similar units available

Entire Place in 346 Somerville Ave. - Union Square

Studio 1 Bath

$2,650, Rent

Avail. Aug 13, 2026

+5 similar units available

Entire Place in 346 Somerville Ave. - Union Square

Studio 1 Bath

$2,775, Rent

Avail. Sep 28, 2026

+5 similar units available

Entire Place in 346 Somerville Ave. - Union Square

Studio 1 Bath

$2,670, Rent

Avail. Sep 16, 2026

Union Square Apartments Priced Under $4000