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MMI PLUMBING & Excavation in Waynesville, MO

4.9 from 11 Google reviews
305 Birch Ln, Waynesville, MO 65583(573) 842-5168
MMI PLUMBING & Excavation

Septic Service Categories

These are how Google lists the business, not proof of a service offered.

Septic system serviceConcrete contractorDemolition contractorExcavating contractorRetaining wall supplierSand & gravel supplierPlumberTopsoil supplier

Google Reviews

4.9 11 Google reviews
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  1. Wesley D.

    September 2026

    I highly recommend MMI Plumbing & Excavation. We used them on two different jobs over the last 2 years and we had a great experience. They showed up on time and ready to work. Great prices. We really had no complaints about their customer care, timeliness, professionalism, and communication throughout the project. Will use their services again in the future!!

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  2. Always M.

    August 2026

    Amazing service. Had a septic emergency. Called MMI the owner went and looked at my issues, gave me a quote, I agreed, he and his crew were quick to get started and in a day my new septic and lines were complete. Fsst response, Fast, friendly service, I would absolutely recommend!!!

    Response from the owner

    Thank you. We were happy to help!

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  3. Mary

    May 2026

    Had our main waterline break, Ernie and his crew were outstanding,Very reasonably priced. Quick to respond and very attentive to detail. What a great company Thank you.

    Response from the owner

    We thank you! Call anytime!

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  4. Nelvin G.

    April 2026

    Absolutely fantastic people excellent work outstanding professionalism put in 2 different lagoons for me fixed some old pipes at my mom's and absolutely honored the agreed price even though they incountered several inconveniences. Thank you guys for helping out my momma I really appreciate it. I will always recommend you guys to anyone looking for quality excavation or plumbing. Sorry my neighbor was a donkey lover and called on you/us for absolutely no reason. Thanks for everything guys.

    Response from the owner

    We appreciate the kind words. I hope all is well. We were happy to help!

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  5. Marcus C.

    March 2026

    Earnie and his crew are honest, respectful and fast workers! Called him and he was out here quickly assessing our needs and got to work right away. 10/10 I would definitely recommend him to anyone with septic issues.

    Response from the owner

    We appreciate the call. Thank you for the kind words and feel free to reach out anytime. Happy to help!

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Map and Directions

MMI PLUMBING & Excavation305 Birch Ln, Waynesville, MO 65583

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Frequently Asked Questions

How is MMI PLUMBING & Excavation rated?

4.9 stars from 11 Google reviews.