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TRUSTED BY PENRYN, CA HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon49
    Verified septic tank services reviews

Top-Rated Septic tank pros in Penryn - Updated Nov 2026

Avatar for GSW Pumping LLC
GSW Pumping LLC
5.0(
23
)
Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Penryn, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Credit card accepted

"I couldn't be happier with the service I received! From the moment I called, everyone was professional, friendly, and incredibly helpful. The crew arrived on time, explained everything they were doing, and made the entire septic clean-out process quick and stress free. They were honest, respectful of my property, and left everything clean when they were finished. It's hard to find companies these days that truly care about their customers, but this team went above and beyond. Their customer service and work ethic were outstanding. I highly recommend them to anyone needing septic services. I'll definitely be using them again in the future. Thank you for such an amazing experience!"
Septic tank pumping
Septic pumping
Response time1 day
Response rate94%
42 neighbors recently requested a quote
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Penryn, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"Our landscaping in Menlo Park needed a complete refresh. The team replaced thirsty plants with drought-tolerant options that still provide plenty of color and curb appeal. We're using much less water without sacrificing appearance."
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+1

Response time6 hrs
Recommended by17%of homeowners
Avatar for Benjamin Fry Construction
Benjamin Fry Construction
5.0(
1
)
Septic System - Install or ReplaceSeptic System - RepairSeptic System - Install or Replace - For Business+1 more

Serving Penryn, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Ben took an interest in the project, and gave us great advice on how to do it within our budget. He took the initiative to call the rock supply company and get the road base delivered while he was here. Highly recommended!"
Drain field
Tank and drain field
1200 Septic tank
Trenching for sewer line
Response time5 hrs
6 neighbors recently requested a quote
Recommended by100%of homeowners
RSF Construction Inc.
1.0(
1
)
Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Penryn, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

Avatar for Septic Pumping And Drain Solutions
Septic Pumping And Drain Solutions
5.0(
6
)
Septic System - RepairSeptic System - Repair - For BusinessSeptic Tank - Clean or Pump Out

Serving Penryn, CA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"Septic Pumping and Drain Solutions pumped our septic tank and we have made arrangements for them to do some repairs in the next two weeks. They were in time, very professional with state of the art equipment. When talking about the repairs, they explained everything and have given us a very good price. They have been the best we've ever worked with and we will continue to use them now and in the future."
Response time6 hrs
Showing 1-10 of 38
Septic Tanks FAQs, answered by experts

You can find your septic tank using a few different methods. For one, you can check your property records at your local municipal office. You can also inspect your yard looking for a depression, a septic tank lid, or lush septic-area vegetation which would indicate a leach field. You can also follow your pipes from the home to the yard. If you can't find your septic tank on your own, a local septic pro can help.

Beyond the type of well pump, there are a few other factors to consider when selecting a well pump. Keep in mind the depth of your well, your average water usage, and the PSI of your water-consuming appliances to determine the appropriate motor horsepower and size of your well pump.

The septic installation company must follow several steps to put in a new septic system and leach field. The installer will study your property and determine the best place for the tank and leach field. The site should be away from existing structures, be free of trees, and have proper drainage and grading. Preparing the site for the tank and leach field will require significant excavation work.

Unlike an urban sewer system that runs wastewater into a central drainage system, septic tanks are a house-by-house system. They are the ultimate destination for all your house’s wastewater—from bathtubs, showers, sinks, toilets, and washing machines. Wastewater flows into a tank buried in the ground outside your home, and then water runs from the tank to a drainage field using sloped pipes.

The pressure in a well pressure tank should be set 2 to 3 PSI below the pump's cut-on pressure. The cut-on pressure is the lower number in the pressure setting (e.g., the '30' in 30/50 PSI) and is the point at which the pump starts. The cut-out pressure is the higher number, where the pump stops.

For example:

  • If your pressure switch is set to 30/50 PSI, the tank pressure should be 27-28 PSI.

  • If your pressure switch is set to 40/60 PSI, the tank pressure should be 38 PSI.

Common pressure settings for household applications include 20/40, 30/50, and 40/60 PSI. The difference between the cut-on and cut-out pressure is typically 20 PSI.

The Penryn, CA homeowners’ guide to septic tank services

From average costs to expert advice, get all the answers you need to get your job done.