trampoline photoIf you see one of these when on the water, if it’s not Yours, DON’T touch it. These are private property. Climbing one or tying your vessel to one is a trespassing violation subject to fine by the Contra Costa Sheriff. The Sheriff doesn’t even need to be present when the offense occurs. Reports and photos can be filed by owners and neighbors online at and will be followed up on when the Sheriff is available. If you see a violation like this – take photos of the trespassers and their boat + CF# if applicable. The Sheriff can issue citations from this information. Call the Sheriff dispatch at (925) 646-2441. If you damage one, the replacement value is $5,000+