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Block Captain News

Prioritized Guidelines for Addressing Sea Level Rise in Tamalpais Valley

Updated: Dec 21, 2022

Destructive tidal incursions into Tam Valley’s residential neighborhoods, the business district, and major access roads into and out of the valley are already increasing in frequency and magnitude.

The scientific consensus is that flooding will increase due to sea level rise, increasingly intense storms, and rising groundwater through the end of this century and beyond. The State of California is directing its agencies to plan for 3 ½ feet of sea level rise by 2050 and up to 10 feet by 2100.

Expand the PDF below to read the full document or click here to open in a new tab.

Comments by December 15

Please submit any comments/suggestions to by December 15.

You can watch the recording of the November 17, 2022 meeting on YouTube here.


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