Picture of Septic Tank Installation


Cornerstone Construction and Land Developers, otherwise known as affordable sewers, have been in the business since 1992 serving our community as the top septic tank contractor! We are the professionals that have the training which allows us to install these units according to the Louisiana Sanitary Code to ensure that our communities’ health needs are met. We only use high grade materials to provide our customers with the longevity of the products they are purchasing. Our sewer tanks are fabricated using high quality cement and reinforced with wire and rebar. We pride ourselves in providing honest and expert advice on how to best care for your wastewater treatment system and offer free consultation on troubleshooting your septic system. In addition, we are dedicated to providing the best professional, friendly and exceptional sewer service for our residence. With all this in mind, you can rest assured that you are getting a quality job, in a timely fashion, and at a fair price.

Better Business Bureau.

For more photos and chats, visit us on FACEBOOK at Affordable Septic System


We have a knowledgeable staff that can answer your questions,  set up appointments, and provide you with our availability. Our hours are:

Monday - Thursday from 7am to 5pm and Friday 7am to 3:30  Off on Holidays


If you are in the need of the best and most cost efficient solution to your sewer needs call the professional Sewage Treatment Company, Cornerstone Construction and Land Developers, otherwise known as

Affordable Septic Systems.

Cheap can end up being expensive! Get the quality you expect with the fast and friendly service you deserve.

Re-certification of these Septic Systems for customer's requesting this service due to buying or selling a home or seeking to have the electricity turned on.  The Re-certification is a thorough Septic Tank Inspection of a legal wastewater treatment system to make sure that the unit is in good operating condition and up to code. It also includes a one (1) year maintenance agreement

We have Replacement Septic Aerator Motors available and can ship them to your residence or work free of charge, usually the next day. You are also welcome to schedule an appointment to pick one up.

If you are having problems with your Sewer System or need Septic Tank Repairs, Call for a free Consultation.

Septic Tank Maintenance

It is recommended that you have your Septic System Cleaned or Pumped Out every 4 - 6 years. Check out our page for more information



We are a family owned business and take pride in our community. We support improving the environment with safe products for today and our future generations. The process is simple, but effective! Our units take sewage and turns it into clean water via the aerobic bacteria method. These units are equipped with an aeration system that assist the bacteria to thrive. These Septic Systems are built sturdy and require low maintenance.

We Specialize In:

  • Service
  • Parts
  • Accessories
  • Camp Units
  • Refurbished Aerator Pumps
  • Wastewater Treatment
  • 1 year Maintenance Agreements
  • Re-certification of Sewer Systems
  • Repairs to Residential Modad System Plants
  • Service Contracts
  • Septic Tank Care & Symptoms
  • Aerator Parts
  • Sales or Service
  • Septic Tank Pump Outs

We serve customers throughout Louisiana including:

  • Baton Rouge
  • Gonzales
  • Prairieville
  • St Amant
  • Satsuma
  • Pride
  • Denham Springs
  • Walker
  • Holden
  • Springfield
  • Independence
  • Robert
  • Roseland
  • St Benedict
  • Goodbee
  • Mandeville
  • Covington
  • Madisonville
  • Hammond
  • Ponchatoula
  • Wilmer
  • Husser
  • Fluker
  • Arcola
  • Kentwood
  • Folsom
  • Uneedus
  • Bedico
  • Abita Springs

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