An affordable housing project is planned for the E. 12th Street parcel, which is currently the site of a city-run homeless shelter.
Dewey Academy, the OUSD school next to Lakeview Village, sent a letter to the city demanding changes.
Nobody was injured but five people were displaced, said the Oakland Fire Department.
Dozens of people will soon get access to heating and privacy through the temporary program. What happens next is less clear.