Rocky B.
12/5/2022
Our Grohe shower mixer has stopped working (all hot or all cold). Unfortunately called ADD. They came out and said we would need a new diverter and a new wax/thermo controller, but they didnt...
Add Plumbing
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(22)
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13000 San Fernando Rd
Sylmar, CA 91342
Add Plumbing Inc. is a full-service plumbing contractor based in Sylmar, CA, dedicated to resolving a wide range of plumbing issues efficiently and skillfully. With a commitment to customer satisfaction, they handle both routine maintenance and emergency plumbing problems with expertise.
Their team is equipped to manage any plumbing challenge, ensuring that no issue is too big to handle. Add Plumbing prides itself on providing timely service and effective solutions for all plumbing needs.
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Reviews
3.0(22)
A Y.
1/13/2026
ADD Plumbing fixed a leaky faucet in my home just over a year ago. Recently the same faucet started leaking again. I called to ask if they warranty their parts or their work. They told me there is...
Kyle W.
4/8/2025
AVOID - DO NOT HIRE. Believe all the 1 star reviews. Unethical and unprofessional plumbing operation. Erika, their office manager is difficult to communicate, unorganized, and rude. Clive the...
Charmaine S.
5/12/2024
I have never worked with plumbers as unprofessionally as these guys. They showed up. Did not introduce themselves. Walk through my house without protective shoe covers. They did not say a word....
Shadi A.
3/13/2023
My rental property uses this company for maintenance, and they get the job done asap! My shower hasn't been working properly and needed a valve replacement, two guys came and fixed it in under 2...
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