Flooding forced the closure of Highway 37 where crews were working 24 hours a day to repair a damaged levee. Floodwater will need to recede into San Pablo Bay before the full extent of the damage can be assessed.
RELATED: Neighbors feel lucky to be alive after Sausalito mudslide
The storm also caused mudslides and toppled trees.
The emergency declaration allows the county to apply for state and possibly federal aid that would allow it to be reimbursed for repairs and related expenses.
RELATED: Neighbor captures Sausalito mudslide aftermath
Take a look at more stories and videos about the Sausalito mudslide here.
Watch the latest AccuWeather forecast and take a look at recent weather stories and videos.
#MarinCounty has declared a local state of emergency because of storm damage. https://t.co/7S5sA4Etsd #MarinStorm #BayAreaStorm @Cal_OES @MarinSheriff @marincountyfire @DPWMarin @ilike_mike @AsmMarcLevine @RepHuffman pic.twitter.com/Y4k5bizXP8— Marin County (@maringov) February 16, 2019