H&H Pool Services: 828-7665
San Ramon Pool Service: 309-4685
Or, I would google pool service for your area.
Whatever you decide to do, regular maintenance is key to the health of your pool. Better to pay a little more to have it done right, than to not do anything at all.
Equally, though, it really isn't that difficult to do yourself if you wan to save the money. Check out http://www.youtube.com/watch?v=TDQSSYwhWEM.
Bernard Gibbons, J. Rockcliff Realtors
DRE License # 01331583
Phone (925) 997-1585 - email@example.com