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Top-Rated Well and pump technicians in Pasadena - Updated Nov 2026

Avatar for Bob & Marc Plumbing Heating & Air
Bob & Marc Plumbing Heating & Air
4.5(
104
)
Well Pump - Install or ReplaceWell Pump - Repair or Service

Serving Pasadena, CA and surrounding areas

In business since 1989

"Two service Techs, Daniel and Kevin, came by the same day i called regarding a clogged sewer line. They were very pleasant and personable which put me immediately at ease. They performed an inspection and showed me a live video feed of my sewer line, indicating where the roots were growing in that caused the clogging. 
They recommended hydrojetting due to the size of sewer, and scheduled a visit the following day.  The next day the same techs came by and cleaned out the sewer line via hydrojetting. Afterwards they did another video inspection and showed me their results. They were professional, communicative, clean, and very pleasant to deal with.
"
Recommended by89%of homeowners
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Wells and Pumps FAQs, answered by experts

Through testing for pH, bacteria, and contaminants, ensuring safe consumption.

The cost to fix low water pressure heavily depends on the cause of the problem. In some cases, all you need to do is open a valve, which won't cost you anything. However, plumbing repairs cost an average of $325, so if you have a broken pipe or other plumbing problems, you might pay something close to that figure, or more, depending on the issue.

There are many potential causes of low well water pressure. The most common include sediment buildup, leaking pipes, a failing well pump, or a cracked pressure tank. 

Though sprinkler systems can have varying issues, there are a few common ways to know if the cause is your pump. Signs include cracking or visible damage, leaking from the pump, a pump that won’t turn on, and loud noises coming from your pump. Low or irregular pressure could also point to a pump problem, but there are other causes.

How do you set your well’s pressure tank? All you need to do is first drain the tank of water and find the pressure switch. Remove the switch cover and adjust the switch with a wrench—clockwise to increase water pressure, and counter-clockwise to reduce it. Each complete turn of the nut on the switch should equal 2.5 psi. Once this is done, replace the switch cover. All that’s left is to adjust the pressure of the tank itself using an air compressor and a tire gauge to support the new setting.

The Pasadena, CA homeowners’ guide to well and pump services

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