From the beginning, till the end, the experience was phenomenal. Walked into Home Depot for a water heater and they sent an online referral to Maeser for installation. Within minutes I was receiving…

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J.G.

J.G.12/16/2025

Dear Marvin Maeser. We had today the installation of a Mini split to our garage. I wanted reach out to let you know that your team was so polite, efficient and professional and did an incredibly…

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D.F.

D.F.11/25/2025

Very impressed with the job Tyler did when my bathtub and toilet backed up. He quickly discovered that tree roots had damaged a section of my sewer line and explained my drains would keep backing up…

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J.E.

J.E.01/20/2026

First time using Maeser and our technician Aaron was terrific!! They got us on schedule same day within a couple of hours, with it being winter and a house full of babies, this was very important to…

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Backflow Testing in Louisville, Kentucky

Maeser Master Services provides professional backflow prevention testing services in Louisville, Kentucky. Annual backflow testing is required by most water utilities to protect public water supplies from contamination through cross-connection control compliance. Their services include free estimates, backflow testing, emergency service, preventer installation, serving both residential and commercial properties throughout the Louisville area.

Whether you need a routine RPZ valve inspection, backflow prevention device testing, or a certified tester to file compliance reports with your local water authority,Maeser Master Services can help. Homeowners, HOAs, and property managers can request a free quote using the form on this page.