Marin LAFCo's office is open for drop-in visits from 9:00 a.m. to 5:00 p.m. on Wednesdays only (closed from 12:00 p.m. to 1:00 p.m. for lunch). HOLIDAY OFFICE HOURS: 12/24 9-5 and 1/2 9-5. Office visits on all other weekdays are by appointment only. For appointments or other official LAFCo business, contact staff@marinlafco.org or call 415-448-5877.