High Speed Plumbing
Your search is over: You’ve found
the best plumber in Diamond Bar CA.
We Arrive In 60 Minutes Or Less!

The “High Speed”

Excellence in plumbing is rarer than you think.

Are there other companies that can complete the plumbing repairs or services you need? Yes. Are there other companies that can offer superior service? We don’t think so. At High Speed Plumbing we can offer you what the competition can’t. As a veteran and family owned and operated company, we take pride in every job we do and we thoroughly vet every plumber on our staff. We are here to provide professional services at affordable costs – as quickly as we can – for clients throughout the Diamond Bar CA area. Call us now if you need any of the following:

High Speed Plumbing

Diamond Bar CA

Named after the cattle brand owned by an early rancher in the area, Diamond Bar CA is a residential city best known as the seat of the South Coast Air Quality Management District. The city was designed as one of the country’s first master-planned communities, but the entire plan was not completed because the original developer, Transamerica, sold the venture in the 1970s. Today there are many different developments in Diamond Bar CA, including private guarded communities like Diamond Bar Country Estates. When you have a plumbing problem at your home or business in Diamond Bar CA, you deserve the best plumbing contractor in the business. At High Speed Plumbing, we take pride in offering fast, affordable, reliable plumbing services along with courteous customer service. Our plumbers are exceptionally knowledgeable and experienced. We are happy to provide honest information about your plumbing needs and repair options, as well as transparent pricing. Call us any time 24/7 for service.


Local Reviews
for Diamond Bar, CA

Rated 4.8 out of 5 stars based on 6 customer reviews

Map of Diamond Bar, CA

Great service





Map of Diamond Bar, CA

Great service from a very personable and friendly plumber




Anthony was excellent ! He work was immaculate and his personality was amicable. He spoke politely, answered all our questions and followed up on time. I could not have asked for anything more from him. I'm sure I will contact him for any future plumbing needs.


Map of Diamond Bar, CA

Great Service




We had a leak on a water pipe late one afternoon. They came promptly and provided an estimate. It was after-hours and Brian was very professional. The work was done very welll and he was thorough. Because how late in the day he had to resupplied and then finished the job. He ensured the work was done very well and cleaned up after. Despite how late it was it was clear that ensuring the job was done right was important. I will use them again.


Map of Diamond Bar, CA

Great and prompt service




Bryan was prompt and friendly


Map of Diamond Bar, CA

Great Service





Map of Diamond Bar, CA

Great service





Jimmy P.

Jimmy P.

Cable lavatory drain by removal of p-trap.

Near Sylvan Glen Rd, Diamond Bar, CA 91765
Diamond Bar, CA - Cable lavatory drain by removal of p-trap.
Anthony R.

Anthony R.

Installation of 2 bathroom faucets and sink drain plumbing for 2 new vanity’s.

Near Sylvan Glen Rd, Diamond Bar, CA 91765
Brian J.

Brian J.

Replaced bad section of copper water lines where the shark bite connection gave out

Near Tierra Loma Dr, Diamond Bar, CA 91765
Jimmy P.

Jimmy P.

Repair 1/2 water service due to leaks

Near Featherwood Dr, Diamond Bar, CA 91765
Diamond Bar, CA - Repair 1/2 water service due to leaks
Brian J.

Brian J.

Replaced tubular drains under kitchen sink

Near Bregante Dr, Diamond Bar, CA 91765
Brian J.

Brian J.

Replaced frozen gate valve with new ball valve and did a spot repair on 3/4” copper pipe with pinhole leak

Near N Prospectors Rd, Diamond Bar, CA 91765
Brian J.

Brian J.

Replaced wax ring for leaking toilet

Near Castle Rock Rd, Diamond Bar, CA 91765
Anthony R.

Anthony R.

Cable maintenance of stand up shower drain and bathtub drain.

Near Hickory Nut Ln, Diamond Bar, CA 91765