Rare Owner-User Medical Flex Building for sale. 448-449 1st street is 6,987 SF and is being offered at $205/SF. 448 S 1st Ave is 1,782 SF and occupied by Bienestar. 449 1st Street is 5,205 SF and currently occupied with a tenant that is planning to vacate in 90 days. The current buildout for the 5,205 SF is ideal for an owner-user warehouse flex, retail showroom, medical clinic, general admin, office, dentist, attorney, etc. Central downtown location on 1st Ave with 10,300 VPD (2015) and excellent monument and exterior signage options.