Don't know about seniors, but since they have adult and kids memberships. I'd say they do. https://www.roseville.ca.us/UserFiles/Servers/Server_7964838/File/ParksAndRecreation/Fitness/MSIP%20Membership%20Fees%20Updated%203.1.19.pdf Give them a call just to be sure
Yes they sell both
Yes they sale both and i am not too sure of the cost
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