3 Building Campus. 3535 W. 26th St. is both an office and residence. 3527 W. 26th is all office on the first floor (6 rooms), but could be converted to residential use. Second floor has 2 bedrooms and living room. 3527 ½ is a free standing, 2 story brick home on concrete slab currently being used as a 2 story residential rental property.