We Are Available 24/7 365 Days a Year for Emergency Services!
The Original Plumbing Company provides professional plumbing, HVAC, and drainage services to customers throughout the Inland Empire. Our experienced group of professionals has been assisting our customer base for more than 40 years. Whether you need emergency plumbing repair or a heating installation service, we're here to help!
About Us
The Original Plumbing Company first opened its doors to customers in 1979. Since our inception, we've supplied skilled plumbing, drainage, and HVAC services to Inland Empire residents. Our longevity is a testament to the quality of our craftsmanship and the affordability of our quotes.
The Original Plumbing Company is a family-owned and operated business-- three generations of our family currently work in the business. All our specialists and plumbing professionals are fully licensed and insured. It's time to contact our office if you're searching for a locally owned plumbing or HVAC service that is dedicated to Inland Empire homeowners!
Our Services
At The Original Plumbing Company, we offer a broad variety of home services to our clients. While our main service line is plumbing, we also offer HVAC services and basic drainage services to our clients. Let's take a closer look at all our services:
Emergency Plumbing Services Diamond Bar
Unlike other repair services in the Inland Empire, our crew at The Original Plumbing Company is available 24/7. If you require urgent help because of an emergency situation, we're readily available day and night to provide affordable services. While some plumbing and HVAC issues can wait until morning, there are other issues that require an emergency response.
Let's examine some instances that need the services of an emergency repair team:
- You're experiencing a burst or leaking pipeline in your house or commercial property.
- You see sewage backing up into your home from toilets or drains.
- You have a broken hot water heater.
- You notice sewage smells originating from drainage outlets.
If you don't see your problem on the list above, but you still believe you require emergency assistance, contact us straight away. The quicker we're able to deal with a problem, the easier it is to spare you from costly repair bills. Our emergency services concentrate on containing problems and preventing further damage.
Plumbing Services
If you require plumbing repair work, maintenance, or installation, we're here to help. Our certified master plumbers have years of experience providing plumbing services to clients throughout the Inland Empire. If you're looking for affordable and trustworthy plumbing services, it's time to call The Original Plumbing Company.
Let's explore our most popular plumbing services listed below:
- Plumbing repair work
- Plumbing installations
- Piping replacements
- Toilet upgrades
- Slab leaks
- Plumbing maintenance tune-ups
- Valve tightening
- Water heater installations
If you do not see the plumbing services you're searching for on the above list, don't be reluctant to call us for more information. We're constantly happy to provide bespoke plumbing solutions to our local clients.
HVAC Services Diamond Bar
You rely on your HVAC system to control your home's internal environment if you're like a lot of California homeowners. A summer without an air conditioner isn't a choice for most families, but it's also crucial to have a well-functioning heating unit to keep you warm when the temperatures drop.
Whether you require help installing a heater or assistance fixing an Air Conditioner system, we're the ideal team for the task. Take a look at our HVAC services below:
- AC repair
- Heating repair
- Furnace repair
- AC installation
- Heating installation
- Furnace installation
- A/C maintenance
- Heating maintenance
- Furnace maintenance
Again, if you need help with HVAC services that you don't see detailed above, do not hesitate to call us to discuss your needs. We're constantly happy to find creative solutions for our clients!
Business Plumbing Services Diamond Bar
While most of our customers access residential services from our plumbing professionals and HVAC service technicians, we also provide commercial services to business owners and business property owners throughout the Inland Empire. If you're looking for an HVAC or plumbing professional that has experience with large commercial jobs, we're the best team for the job.
Whether you need repair services or a knowledgeable installation group, we're here to assist. We can also collaborate with other contractors on big jobs or building sites. We're only a quick phone call away if you need additional info about our commercial services!
Sewage System and Drain Services Diamond Bar
While sewer and drainage problems frequently fall under the plumbing category, it takes an experienced plumber to handle large sewage issues. The repercussions can be serious if you're experiencing difficulties with your sewage system line. A backed-up sewage system line can cause internal flooding and extensive damage.
Below, let's explore our sewer and drain services:
- Clogged mainline repair
- Sewage system backup repair
- Video camera drain inspection
- Trenchless sewage system line and drain repair
- Hydro jetting drain cleaning company
- Sewage system routine maintenance
If you're experiencing chronic drain or sewage system issues, we can help you find long-lasting solutions. We're specialists at helping our customers get the most from their sewer and drainage systems.
Why Choose The Original Plumbing Company?
It's crucial to select the best team for the job if you need hvac, plumbing, or drainage services in the Inland Empire. At The Original Plumbing Company, we're confident that we're the Diamond Bar's most knowledgeable service provider. Let's check out the features that make us such a popular service:
- We're extremely timely and economical.
- We have a 24/7 emergency repair service for those who need immediate assistance.
- We can offer all hvac, plumbing, and drainage services.
- We're fully licensed and insured-- our license details are hosted on our website.
- We utilize state-of-the-art technology to identify and repair issues.
- We provide both commercial and residential services to our customers.
- We have more than 4 decades of experience satisfying our customers.
- We never charge our Inland Empire clients for quotes.
- You can discover testimonials from previous clients on our website.
Call Today to Request Our Services
If you need help with drainage, plumbing, or hvac problems, don't hesitate to call The Original Plumbing Company today! We're always happy to speak with customers about our services. We never charge for quotes if you 'd like a no-obligation price quote!
Make sure to check out our website's blog if you're searching for info on typical plumbing and HVAC topics. We often post blogs and short articles that are useful for homeowners in the Inland Empire.

The Inland Empire's Experts in Heating, Air Conditioning & Plumbing Since 1979
Founded in 1979 on the values of quality work, exceptional customer service and impeccable honesty, The Original Plumbing Company is often imitated but never replicated.
As a family-owned business run by three generations of the family, our top priority is to deliver expert plumbing and heating and air conditioning services to our Inland Empire communities. We take great pride in the fact that a high percentage of our business comes from repeat and referred customers.
Whether you need to schedule a maintenance tune-up, are concerned about a leak or your pipes just burst, our licensed and insured master plumbers are always ready to provide first-rate service. You can constantly count on us -- 24 hours each day, 7 days per week and on every holiday -– to be available to offer our immediate support when things don’t go as planned.