One of 2 septic companies listed in our San Tan Valley directory. Listing compiled by SepticTankHub from public data — not affiliated with or operated by this business.
Septic Pumping & Cleaning
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4.9/5
589 Reviews
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ABOUT
About this listing
Knockout Plumbing, LLC is a septic service provider based in San Tan Valley, Arizona. With a Google rating of 4.9 stars across 589 customer reviews, the company has established a strong reputation for reliable septic system services in the local area. Their high customer satisfaction scores reflect consistent service quality and professional workmanship. Knockout Plumbing, LLC serves residential and commercial clients throughout San Tan Valley and surrounding communities, offering expertise in septic system maintenance, repair, and related plumbing solutions. The company's extensive positive feedback demonstrates their commitment to customer service and technical proficiency in the septic industry.
🕐 Operating Hours
Thursday: Open 24 hours
📍3975 E Weston Ln, San Tan Valley, AZ 85140 · Listed in the SepticTankHub San Tan Valley directory.
💡Ratings are sourced from Google Business Profile and verified during our data collection process.
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WHAT WE DO
Services Offered
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Septic Pumping & Cleaning
Routine pumping and thorough cleaning to maintain your system and prevent backups.
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COST TOOL
Pumping Cost Estimator
Enter your tank size to get an estimated pumping cost for the San Tan Valley area.
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PRICING
Estimated Pricing
Service
Range
Average
Septic Pumping
$300–$600
$425
Septic Inspection
$150–$350
$235
Septic Repair
$500–$2,500
$1,200
Drain Field Repair
$2,000–$8,000
$4,500
Grease Trap Cleaning
$200–$500
$325
Prices are estimates for the San Tan Valley area. Contact for an exact quote.
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GALLERY
Photos
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FAQ
Frequently Asked Questions
Septic pumping in San Tan Valley typically costs between $300 and $600, depending on tank size, accessibility, and how long since the last pump. Knockout Plumbing, LLC can provide an exact quote for your specific situation.
For most homes in San Tan Valley, septic tanks should be pumped every 3–5 years. Factors like household size, tank capacity, and water usage can shorten or extend this interval. Knockout Plumbing, LLC can inspect your system and recommend a personalized schedule.
A professional septic inspection typically involves locating and opening the tank, checking the inlet and outlet baffles, measuring sludge and scum layers, and inspecting the distribution box and drain field. The inspector will provide a written report and recommendations. Knockout Plumbing, LLC can walk you through the process.
Common signs include slow drains throughout the house, gurgling sounds in pipes, sewage odors indoors or outdoors, wet or unusually green patches over the drain field, and sewage backup in toilets or drains. If you notice any of these, contact Knockout Plumbing, LLC promptly.
Signs of drain field failure include soggy or spongy ground over the leach field, lush green grass directly above the field (especially after dry weather), sewage odors near the drain field, and slow drains or backups in the house. Early intervention can prevent costly full replacement.