Charles "Cono" Villarino has been serving the Indio area and Coachella Valley since 2003. Cono's Smog Stop offers low, low prices at this "Test Only" station. No appointment is necessary. Cono's Smog Stop provides regular & diesel smog inspections, RVs & gross polluters, out-of-state smog tests and change of ownership. Cono's Smog Stop is open 7 days a week and ready to service your vehicle. Bring in all your vehicles for your One Stop Smog Stop - at Cono's Smog Stop.