Certified septic pumping companies in Yolo County, CA

✓ 6 companies based in Yolo County, from the CSLB Licensed C-42 Sanitation System Contractors (retrieved 2026-07-23). Companies based in neighboring counties often serve here too — see the full California list.

Company	Location	Certifications	License #
Aro Wastewater Systems	Woodland, CA	Installer (C-42)	1151368
Cal West Concrete Inc	Woodland, CA	Installer (C-42)	893450
F & R Soil Testing	Woodland, CA	Installer (C-42)	952671
R & K Septic & Tractor Service	West Sacramento, CA	Installer (C-42)	818558
Ramco Paving & Grading	Woodland, CA	Installer (C-42)	978035
Seebeck M E	Clarksburg, CA	Installer (C-42)	801473

FAQs

How many certified septic pumping companies are in Yolo County?

6 companies in the CSLB Licensed C-42 Sanitation System Contractors are based in Yolo County as of 2026-07-23. Companies based elsewhere in California also commonly serve the county.

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