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TRUSTED BY ONTARIO, CA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon2k+
    Verified plumbing services reviews

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Avatar for Service Flow Plumbing
Service Flow Plumbing
5.0(
23
)
Faucets, Fixtures and Pipes - Repair or ReplaceWater Heater - Install or ReplaceGas Piping+19 more

Serving Ontario, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Definitely impressed Drew is an awesome human being and phenomenal plumber and drain specialist!!! We were having to go to our neighbors house to use the restroom as our sewer line was backing up for more than a week. Drew came out after hours and within hours of the inspection, he had me and my family sitting back in our own restroom in comfort. Not only did he get our sewer flowing but he did it with all new sew line installed. I will definitely be calling him for the future plumbing issues!!! We are forever grateful and will be a customer for life!!!! Call Service Flow plumbing!!!"
Sewer Main Valve
Sewer Main Valve
Sewer Main Valve
Sewer Main Valve
Sewer Main Valve

+81

Response time8 hrs
Response rate98%
18 neighbors recently requested a quote
Avatar for Dan Shop LLC
Dan Shop LLC
4.9(
16
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business

Serving Ontario, CA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"This young man is living proof that you should not judge a book by itâ s cover . When he first arrived to my site I assumed he would be inexperienced because of how young he looks , but man was i wrong . . Heâ s one talented guy. Great work ethicâ s and knows just how to get the job done right . I had him dig all my trenches for my plumbing lines and he did a nice job grading everything. I litterally just had to come in and shade the trench with some sand . He also knows a lot about plumbing . I had some plumbers out on my job and it turns out the guy i hired to grade my trenches was a better plumber then the plumbers i hired to plumb!! 5 stars . Will definitely be calling him back out on the next one ."
Root & Fencing Footings Removal
Footings & Root Pullout
Footing Pull out
Repair P Trap
Repair P Trap

+16

Response time1 day
3 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Rooter Works Plumbing & Service
Rooter Works Plumbing & Service
4.9(
14
)
Drain Line Breakage - Camera LocateFaucets, Fixtures and Pipes - Repair or ReplaceSewer Main - Clear+4 more

Serving Ontario, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Emergency services offered

Warranties offered

"The Job was done right, at a fair price. The plumber was friendly, knowledgeable and very professional. We will definitely recommend to anyone looking for a fairly priced plumber who does a great job. We will definitely use him again in the future."
Lawn sprinkler flooding
Lawn sprinkler flooding
Lawn sprinkler flooding
Lawn sprinkler flooding
Lawn sprinkler flooding

+6

Response time12 hrs
Response rate87%
5 neighbors recently requested a quote
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Plumbing questions, answered by experts

Simple plumbing projects like water heater replacements take just one day of active work. Complex jobs, such as a whole-home repipe, require two to five days of labor. However, you must account for local permit processing and required inspections in Ontario. These administrative steps add several days to a few weeks to your timeline. Extreme summer heat also shifts work to early morning hours, extending the schedule.

Helpful?

Check your water meter during periods of no use; any dial movement confirms a hidden leak. You must schedule plumbing service if you receive high-usage alerts or annual backflow testing notices from your utility provider. Furthermore, homes built before 1975 in Ontario require immediate pipe inspections. Finally, visible scale on fixtures or reduced water flow indicates hard water damage demanding professional attention.

Helpful?

Upgrading your plumbing removes mineral scale buildup, which restores consistent water pressure and improves tap water taste. Resolving slab leaks stops mold growth and prevents severe flooring damage. In CA, reliable water supply lines also ensure your evaporative coolers function perfectly during extreme summer heat. Furthermore, fixing leaks and installing efficient fixtures significantly reduces your monthly utility consumption, providing immediate financial relief and daily comfort.

Helpful?

Hard water in Ontario accelerates sediment buildup in water heaters and degrades toilet seals or faucet cartridges. You will also experience issues with under-slab copper pipes, which crack due to seismic activity and shifting clay soils. Additionally, intense sun exposure damages irrigation backflow preventers. Finally, mature tree roots infiltrate and separate older clay or cast iron sewer laterals, requiring prompt professional plumbing repairs.

Helpful?

Watch for reduced water pressure or chalky deposits at joints, which indicate past plumbing work ignored Ontario's hard water. You should also check for stress fractures following seismic activity. Additionally, look for ground settlement or soggy yard patches caused by hot, dry weather shifting the soil. Finally, unpermitted alterations will fail to meet CA standards and require professional replacement to ensure your home remains safe.

Helpful?

The Ontario, CA homeowners’ guide to plumbing services

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