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Contact Us Today!
(210) 875.3625


We are a FULL SERVICE SEPTIC company! We service most types/brands of septic systems! We specialize in aerobic septic system installation, conventional systems, aerobic maintenance contracts, service calls, pumping, and repair. We have over 30 years of combined experience in the industry and enjoy a well-deserved reputation for customer service and quality work.   

MJ Septic, LLC serves all of Bexar and surrounding counties. We have the experience, knowledge and highly trained staff to install the smallest residential septic system to the most complex commercial septic system, there is no job to complex or tough for us to handle! 


  • Residential & Commercial Services 
  • Septic Tank Cleaning 
  • Aerobic Maintenance Contracts
  • Aerobic System Installations
  • Conventional System Installations 
  • Real Estate Septic Inspections ​
  • Estimates are Always Free!
MJ Septic, LLC is dedicated to helping our customers understand everything they need to know about thier septic systems. We have a fully trained office staff and field technicians to answer all of your questions. In most cases we offer same day service at no additional charge. We are here, willing and ready help! We strive offer quality service, competetive and fair pricing!

Call Us Today At (210) 875-3625

MJ Central Texas Septic, LLC BBB Business Review