As part of its continued commitment to preserve and increase housing in Santa Monica, the City Council voted at its June 27, 2017 meeting to ban the use of newly constructed accessory dwelling units (commonly referred to as guesthouses) from being used exclusively as short-term rentals. 

Read More on page 3: http://backissues.smdp.com/070417.pdf

AND on the City's website: https://www.smgov.net/Departments/PCD/Permits/Short-Term-Rental-Home-Share-Ordinance/