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TRUSTED BY SAN RAFAEL, CA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon453
    Verified sump pump installation services reviews

Top-Rated Sump pump installation pros in San Rafael - Updated Nov 2026

Avatar for Quality Pump Service
Quality Pump Service
4.5(
50
)
Sump Pump - Repair or Replace

Serving San Rafael, CA and surrounding areas

Approved

In business since 2010

Emergency services offered

Small jobs welcome

"Quick resolution to an emergent problem due to impending bad weather and continued flooding. Sump pump replaced and connection to drain was done very efficiently."
Response time5 hrs
11 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Albert Nahman Plumbing, Heating, and Cooling
Albert Nahman Plumbing, Heating, and Cooling
4.4(
721
)
Sump Pump or Interior Foundation Drains - Install

Serving San Rafael, CA and surrounding areas

Approved (Corporate)

In business since 1981

Free estimates

Warranties offered

"My wife and I bought a house a couple years ago, and became owners of a radiant heating systems installed more than 20 years ago. Tony and Damian did a great job of understanding how my radiant heating system works, what repairs were needed/what was failing, and where upgrades were needed. They replaced the pump, both expansion tanks, and the neutralizer. Additionally, they noticed the hot water tank was installed incorrectly, and the hot and cold water connections were flipped. It's amazing the system worked, and it's nice to have a system that's correctly installed (even if it's 20 years later!). Additionally, they secured the expansion tanks to the wall (now required by code), replaced the deteriorating copper pipes connected to the neutralizer with plastic (I'm sure this is code now as well), and re-routed the overflow pipes to the outside (rather than the floor!). You can't go wrong with these guys, well done, they're true craftsmen to the trade."
Living room Mini-Split
Aquasana home Filtration
Almost no disturbance at EBMUD meter
Navien with filtration to protect the heat exchanger
New house valve and Pressure Reducing Valve

+73

Response time8 hrs
Response rate100%
41 neighbors recently requested a quote
Avatar for Oak Plumbing Inc
Oak Plumbing Inc
4.6(
101
)
Sump Pump or Interior Foundation Drains - Install

Serving San Rafael, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Our service technician was very well versed in plumbing issues. We had a couple of quirky issues with our new home-- one was murky or cloudy water at various faucets throughout the house. Another was warm water coming from the cold faucet late in the afternoon at the main kitchen sink. We suspected air pockets in the pipes was causing the murkiness in the water and that the pipes were getting warm from the sun in the kitchen. This was confirmed, but we went through a number of tests to rule out other possibilities. Our technician thoroughly analyzed our entire house, the products we installed, and then went away and did some research on his own on our water heater and other products or solutions that we could consider. We were very pleased with his knowledge and attention. The charge was more than fair for the amount of work and time he put into researching our problems. We will definitely use Oak Plumbing in the going foward."
Response time2 days
5 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Starving Plumbers
Starving Plumbers
4.5(
102
)
Sump Pump or Interior Foundation Drains - InstallSump Pump - Repair or Replace

Serving San Rafael, CA and surrounding areas

Approved

In business since 1978

Free estimates

Small jobs welcome

"Had a small sump pump go out in an after market sink that had been installed by the previous tenants. Very competent, returned my call right away, came out with in a couple of hours and fixed the next day after obtaining another pump! Truly a good experience as I had called another plumber that took over a week just to call back"
50 gallon Water heater installation
Tankless Water Heater Installation
Tankless Water Heater Installaton
Installed new kitchen faucet
Response time6 hrs
26 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for GoFlow Plumbing
GoFlow Plumbing
5.0(
7
)
Sump Pump or Interior Foundation Drains - Install

Serving San Rafael, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

Your plumbing problem becomes our problem to solve.\n\nThat’s not just a tagline, it’s how we operate. When you call GOFLOW, you’re getting a team that knows this area, knows plumbing, and genuinely cares about doing the job right.\n\nWe’re not a franchise. We’re not a call center routing you to whoever’s available. We’re a local company built by plumbers who got tired of watching customers get treated like transactions instead of people.

Kept existing config
Min visual impact
Moen Flo Install
Backflow Preventer
Backflow Preventer

+2

34 neighbors recently requested a quote
Avatar for Divine Electric, Inc.
Divine Electric, Inc.
4.5(
35
)
Sump Pump or Interior Foundation Drains - InstallSump Pump - Repair or Replace

Serving San Rafael, CA and surrounding areas

Approved

In business since 2003

Warranties offered

Credit card accepted

Home Electrical + Plumbing Service, Repair, and Renovations. Electric Vehicle Charging Circuits and Charging Units. Top rated Marin County Electricians with 200+ 5 Star Yelp reviews! We only dispatch State Certified Technicians and Trainees this ensures the work done on your project will meet the highest of standards, comply with all codes, and provide years of trouble free service. Our technicians can diagnose any issues and make recommendations for anything from simple repairs to whole-house surge protection. We always provide instant multiple quotes for your project(s). Its up to you to choose what's best for you and your family.

Service Marin since 2003!
The team!
The team!
The team!
The team!

+4

Response time1 day
105 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for Marin Plumbing, Brian S. Cooke Enterprises
Marin Plumbing, Brian S. Cooke Enterprises
4.4(
24
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving San Rafael, CA and surrounding areas

Approved

In business since 1991

Emergency services offered

Warranties offered

Marin Plumbing is a locally owned, full-service contractor that has been serving the area since 1991. We offer expert installation, maintenance and repair services by highly skilled specialists. We will deliver a good plumbing experience to you - we want to be your plumber forever.\n\n

the work force
Recommended by85%of homeowners
Avatar for Groundworks
Groundworks
4.6(
19
)
Sump Pump or Interior Foundation Drains - Install

Serving San Rafael, CA and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"Everything looks good after the work was done. I can finally close my bathroom door. I appreciated the fact that the foreman Erick Baez, went over what was done as they were done. I also appreciated that the two installers Manny Erickson and Jesus Villagomez also communicated with me after they were done to reassure that they did a proper job installing the jacks. Very good to know how the process was going. Great job."
Basement
Basement
Basement
Basement
Foundation

+16

169 neighbors recently requested a quote
Recommended by58%of homeowners
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Sump Pump Installation FAQs, answered by experts

There are several indicators that your washing machine’s drain pump is bad, including incomplete cycles, water not draining, lack of spinning, a foul odor when the machine is running, and a loud grinding or buzzing noise when the pump is trying to move water down the drain.

Sump pumps remove excess water from the lowest point of your home, which prevents flooding. When a sump pit fills with water, a sump pump pushes that water outside of the basin and into an exterior discharge pipe. From there, the water flows away from your home, so it doesn’t damage your foundation.

To test for toilet leaks, use water coloring in the water tank and see if the water slips into the bowl from the tank. This test will indicate if there’s a problem with the flapper or refill tube. You can also put water coloring in the bowl of the toilet to see if there is a leak there. If there is, you should see the colored water on the outside of the toilet bowl or on the floor. 

The life span of a water pump ranges from five to 15 years on average. Regular maintenance can extend its life. If you notice significant drops in performance, strange noises, or frequent malfunctions, consider a water pump or well pump replacement. Always get in touch with a professional if you're concerned about yCan I install a water pump myself?our pump's condition.

3/4 HP is stronger than 1/2 HP. Horsepower measures how much weight can be moved and how fast, or the power needed to move 550 pounds one foot in one second. 1 HP equals 550 foot-pounds per second, so the higher the horsepower, the heavier the load it can lift. While 1/2 HP is a standard, powerful option, 3/4 HP has the extra strength to handle heavier, larger doors with ease.

The San Rafael, CA homeowners’ guide to sump pump installation services

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