On Time Plumbing is located in San Marcos at 1440 Grand Ave. They are available to assist you from the hours of Monday 24 hours , Tuesday 24 hours , Wednesday 24 hours , Thursday 24 hours , Friday 24 hours , Saturday 24 hours , Sunday 24 hours and they can be contacted by calling (760) 744-2707 or visiting them on their website . The services they provide consist of Plumbing Contractors which include projects like Plumbing Systems. The brands used for their supplies are Noritz, Armstrong, American Standard, Bradford White, Rheem, Delta. American Express, Discover, Master Card, Visa, Check, Cash, Debit. is accepted as methods of payment. They are ranked #18 on MojoPages for Plumber. They have a total of 3 reviews, 3 positive reviews and 0 negative reviews.