Emergency crews reported via social media that they were responding to a fire in the 700 block of Brazil Avenue at 7:23 p.m.
They declared a second alarm response around 7:40 p.m., and the incident was under control by 7:45 p.m.
A neighboring structure in the 300 block of Vienna Street was also damaged. One adult was treated for smoke inhalation.
Information about the cause of the fire was not immediately available.