Mai Vu Plumbing is a full scale full service, licensed plumbing company servicing all of San Antonio Texas. View Plumbing Service Areas. We offer our Master Plumbing Services to both residential and commercial. We have been offering plumbing services in San Antonio, TX. for over 8 years and know that when there is a leak or no water service at all we can take care of the plumbing emergency with our 24 hour plumbing phone line at (210) 393-1488 At Mai Vu Plumbing we take pride in our integrity, culture, and innovative mindset to grow and make a difference in our city by providing quality service in a timely fashion.