Brentwood, CA · East Contra Costa
Pool Pump Repair & Replacement in Brentwood, CA
The pump is the heart of the pool. When it stops, the water stops moving, and in a Brentwood summer that means cloudy or green water within days. Many pump problems are a repair. Some are a replacement, and in California that replacement has rules.
Repairs & equipment, not weekly cleaning · No obligation
What is your pump doing?
Hums but won't start
Often a failed start capacitor or a seized motor or impeller.
Loud grinding or screeching
Usually worn motor bearings. They rarely get better.
Won't prime or pulls air
Air leaks at the lid O-ring, the pump fittings, or the suction side, or low water.
Leaking under the pump
A worn shaft seal, which can let water into the motor if ignored.
Trips the breaker or shuts off
Overheating or an electrical fault. Stop resetting it and get it checked.
Runs, but weak flow
Clogged basket, impeller, or filter, or a pump undersized for the system.
Repair it or replace it?
A capacitor, a shaft seal, bearings, a lid O-ring, or a clogged impeller are all ordinary repairs on a pump that is otherwise sound. The case for replacing grows when the motor has burned out on an older single-speed pump, when the wet end (the housing and impeller) is cracked, or when repairs keep coming back. The full decision is laid out in repair or replace pool equipment.
California's replacement motor rule
Under California's Title 20 appliance efficiency rules, replacement pool pump motors made for sale from July 19, 2021 that are 0.5 total horsepower or more must be variable-speed (California Energy Commission). A working single-speed pump already on your pad doesn't have to be removed. But when the motor fails, a like-for-like single-speed replacement motor usually isn't an option anymore. Details and what it means for your bill: California pool pump law.
Why variable-speed usually pays off here
Pumps in East County run long hours through a long, hot season. A variable-speed pump can run slower for most of the day, which uses far less electricity than a single-speed pump at full speed. It costs more up front and needs to be set up correctly to deliver those savings.
What pool pump repair usually costs
Angi lists pool pump repairs at about $100–$700, with motor replacement around $350–$700 and seal replacement around $100–$250. A full pump replacement averages about $1,300 nationally, with most homeowners spending $700–$4,000; variable-speed units themselves run about $800–$2,500 (Angi, 2026).
National ranges, not a quote; Bay Area jobs often land in the upper half. Full breakdown: pool repair costs in Brentwood.
What the contractor will check
- The pump label: brand, model, and horsepower. A photo of it speeds up the quote.
- Whether the motor or the wet end has failed, and whether the seal has let water into the motor.
- The suction side for air leaks, and the water level at the skimmer.
- The filter pressure, because a clogged filter makes a pump work harder and can mimic pump trouble.
- For replacements: correct sizing for your plumbing, filter, and heater, and programming the speeds and run times.
If the pump is part of a larger problem on the pad (a heater that won't fire because flow is low, or an automation system that isn't turning the pump on), start with pool equipment repair.
Check any contractor, including one you find here
- Ask for the contractor's CSLB license number and look it up at cslb.ca.gov. Swimming pool contractors are generally licensed under the C-53 classification.
- Get the quote in writing, with the parts and the make and model of any new equipment.
- Don't pay large sums up front.
- For gas or electrical work on a pool heater or light, make sure the person doing it is qualified for that work.
This site is a free referral service, not a contractor. Your request goes to an independent local pool contractor, who gives the quote and does the work. How this works
Pool Pump Repair: common questions
Can a pool pump be repaired?
Often, yes. Capacitors, shaft seals, bearings, impellers, and O-rings are routine repairs. A burned-out motor on an older single-speed pump is usually where replacement makes more sense.
What are the signs of a failing pool pump?
Humming without starting, grinding or screeching noises, leaking under the motor, trouble priming, weak flow, and tripping the breaker are the common ones.
Do I have to buy a variable-speed pump in California?
For replacement motors of 0.5 total horsepower or more made since July 19, 2021, California requires variable-speed. You don't have to replace a working single-speed pump. See California pool pump law.
How much does it cost to replace a pool pump?
About $1,300 on average nationally, with most homeowners spending $700–$4,000 (Angi, 2026). See the cost guide for more.
Related pool repairs
Pool Filter Repair
High pressure, cloudy or green water, DE in the pool, or a leaking tank. Repair or replace DE, cartridge, and sand filters.
Pool Equipment Repair
Not sure what's broken on the pad? Valves, timers, automation, salt cells, plumbing, and full pad upgrades.
Pool Heater Repair
Gas pool/spa heater won't ignite or pool heat pump won't heat. Diagnose the part, or replace the heater.
Talk to a local pool pro
Pool down, leaking, or won't heat?
Call now or send a 30-second request. You'll be connected with an independent local pool contractor for a quote.