https://www.siliconvalley.com/2024/12/13/court-rules-california-coastal-commission-can-limit-construction-of-seawalls-for-thousands-of-property-owners/

The California Coastal Commission, a powerful state agency that regulates development along the state’s 1,100-mile coastline, can deny property owners permits to build seawalls if their homes or businesses were constructed after 1977, a state appeals court has ruled.

The closely watched case, centered on 10 townhouses near Half Moon Bay, could affect thousands of property owners and beaches visited by millions of people, particularly as the Pacific Ocean continues to rise due to climate change.