Sarah Calvert Septic specializes in septic system design, inspection/certification for real estate sales and transfers, site and soil evaluation, and general septic consultation. Septic systems are also called On Site Sewage Facilities and may be known by the acronym OSSF or OSSFs. Sarah Calvert has 29 years of experience in the septic and on-site sewage facility industry.

Sarah currently holds a Registered Sanitarian License from the Texas Department of State Health Services and a Site evaluator License from the Texas Commission on Environmental Quality. Her experience includes 8 years as an inspector (designated representative aka DR) with Travis County and the City of Austin.

Sarah Calvert is an independent consultant with no ownership in pumping, suppliers, proprietary products or maintenance companies. This allows truly independent consultation in every aspect of design, inspection and consultation with no conflict of interest. Our primary service area is Central Texas, including Travis, Hays, Bastrop, Williamson, Burnet, and Caldwell Counties.

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Mayra V.

Apr 23, 2018

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We worked with Sarah for several septic inspections. She is wonderful. She is on time and really dedicates time to look into how the system is working.

Penny W.

Jun 09, 2015

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Use someone else!!! Six months now that she was paid to design two septic systems and was paid in full and I have nothing from her on it. She won't return phone calls and doesn't deliver product as promised!!