Plumbing, Heating, or Cooling Issues?
DON'T CRY, CALL CPI!

Need immediate help unclogging a drain or replacing your HVAC equipment? Contact us today at (360) 219-9468 for quality plumbing, heating, and cooling services in northwest Washington.

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Welcome To CPI Plumbing and Heating

Your Trusted Mount Vernon Plumbing & HVAC Contractors

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Why Work With Us?

Looking for a reliable home services contractor who can provide you with honest advice and recommendations, quality workmanship, and long-term peace of mind? CPI Plumbing & Heating is your local Mount Vernon plumber and HVAC contractor committed to helping you enjoy a hassle-free experience.

We provide high-quality repairs, installations, and maintenance services for residential and commercial customers throughout Mount Vernon and surrounding areas in northwest Washington state.

Same Day Service Available

Personal Attention

Our team is passionate about customer service and helping our clients receive the quality solutions they deserve. We will take the time to listen to your plumbing and HVAC concerns and present you with solutions that fit your goals and budget.

Transparent Service

You will always know what to expect before work begins on your plumbing or HVAC system. We will go over the job details and pricing upfront, so you can make the best decision for your home or business and enjoy greater peace of mind.

Experienced Professionals

We are always looking for ways to better serve you. All of our team members continue to stay up to date on industry developments, including plumbing and building codes, to ensure that you receive nothing less than exceptional results.

Our Happy Customers

You Can Count on Our Service Professionals

100 Years of Combined Experience

We Care About Our Community

Full Service Plumbing, HVAC

Award Winning Service Technicians

Experience The CPI Plumbing and Heating Difference!

Leave your plumbing and HVAC concerns to our experienced team. Contact us today at (360) 219-9468 to request an estimate in Mount Vernon, WA or the surrounding area.

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Serving the Northwest Washington Area

If you need a plumbing, heating, or air conditioning repair in Skagit County, the experienced and knowledgeable team at CPI Plumbing & Heating can help! However, you may have questions about your situation, and you might be searching for answers before you make the call. Here are a few of the most commonly-asked questions we receive about our business and the answers we can provide you.
Our founder, Steve Olsen, sold the company to three of his long-time employees, one of which was his son. This same leadership group has led the company since 1990.
We offer our services at regular rates: Monday to Friday from 8 a.m. to 6 p.m. However, we also offer after-hours emergency services at our emergency rates: Monday to Friday from 6p.m. to 8 a.m. and Saturday and Sunday all day, because sometimes problems don’t wait until business hours to spring up. Our business office is open from Monday through Friday from 8 a.m. to 5 p.m.
The price of a service call varies on a per-job basis, so you’ll need to call our office to get a specific answer. We do not charge on a per-hour basis, we charge per-job, so you won’t have to worry about surprise overtime fees or other costs that other companies might throw at you.
Yes. When our technician arrives on-site and conducts an inspection of the issue, they’ll give you a written price quote.
We offer a complete range of plumbing, heating, and air conditioning repairs, replacement, installation, and maintenance services for residential and commercial applications. We offer drain cleaning, leak detection and repair, water heater repairs and replacements, backflow certification, re-piping services, video pipe inspections, air conditioner and heater inspections and diagnoses, system replacement, heat pump repair, blower motor repair, and much more.
We’re so confident you’ll be completely satisfied with the services you receive that we back up all our repair work with a 90-day warranty and all our replacement and installation work with a full one-year warranty! If anything goes wrong with our solution during that time, we’ll come fix the issue again at no cost to you.
No, you don’t. As long as we can access the systems we need, we can perform all of the necessary work without you needing to be present! We are both licensed and fully-insured with a $1 million per claim liability policy, and we have an A rating with the Better Business Bureau in order to give you the confidence of knowing the job will be done right if you can’t be home while we’re there.

The Best Plumbing Services in Mount Vernon

Clogs, backed-up drains, and leaking pipes can happen when you least expect it—and our team is here to help you get your plumbing problems under control using safe and proven methods.

No matter the size of your plumbing problem or what’s causing it, we are prepared to provide you with the quality service you need.

Contact us for help with the following:

HVAC Trouble? Contact Our Mount Vernon AC and Heating Experts Today

Your HVAC system is an essential part of your home and business. An inefficient furnace or a broken air conditioner can result in high utility bills and poor indoor air quality.

If you are struggling with recurring HVAC problems, or you’re looking to install new heating or cooling equipment, call our experts for immediate service. We will assess your indoor comfort needs and have your HVAC system running efficiently in no time.

Let us help you with the following:

From Bellingham to Everett, and everywhere in between, you can expect to receive fast turnarounds and quality service no matter where you are in northwest Washington.

Whether you need to fix a leaking pipe, replace your furnace, or install new air conditioning equipment, you can count on our experts to arrive on time and have your plumbing or HVAC problem resolved as quickly as possible.

The Right Technicians, The Right Company

CPI Plumbing & Heating proudly serves the communities of Skagit, Island, Whatcom, and North Snohomish Counties from our office in Mount Vernon.

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    Real Time Service Area

    Local Reviews

    CPI Plumbing & Heating Rated 4.8 out of 5 stars based on 325 customer reviews

    Map of Anacortes, WA

    John did a great job!




    Review of CPI Plumbing & Heating


    Map of Coupeville, WA

    Answered telephone




    Review of CPI Plumbing & Heating

    Coady did exactly what he said he would do. Explained everything clearly.


    Map of Mount Vernon, WA

    Great customer service!




    Review of CPI Plumbing & Heating


    Map of Sedro-Woolley, WA

    Josh's service




    Review of CPI Plumbing & Heating

    Just...wow. Josh did an amazing job.....we are so grateful for his help. We are going to need his help, and CPI's help again....


    Map of Bellingham, WA

    The best!! Ben did an outstanding job! Very well priced!




    Review of CPI Plumbing & Heating


    Jon M.

    Jon M.

    Confirmed with customer that toilet was backed up and not draining. Upon arrival toilet had been cleared by tenants previously that day. Performed drain cleaning on toilet in attempt to clear out any remaining blockage. Used cable through toilet retrieving cleaning or flushable wipes. Tested toilet verifying proper drainage and no leaks present. Informed tenant not to flush cleaning wipes or feminine hygiene products down the toilet to help avoid filter clogs as they do not break down. Thank you for choosing CPI Plumbing and Heating.

    Near N Oak Harbor St, Oak Harbor, WA 98277
    Jon M.

    Jon M.

    Confirmed with customer that main water shutoff to the house keeps spinning not turning water back on. Joshua excavated area after approving estimate. Returned when excavation was completed turned water off to well and cut out damaged main water shutoff valve just outside building. Installed new 1/4 turn ball valve turned water back on at well verifying no leaks and proper function of valve. Thank you for choosing CPI Plumbing and Heating.

    Near Secluded Ln, Oak Harbor, WA 98277
    Jon M.

    Jon M.

    Confirmed with Marty that mainline was backed up. Removed clean out cap outside building finding standing water in line. Ran cable out 50 feet drain line is still backed up. Performed hydro jetting and was able to clear drain line. After drain was cleared used camera finding a belly in the drain 8 feet out. Also found root intrusion in concrete mainline at 20 feet. Line is clear past 20 feet out to city main. Will provide estimate to replace damaged section of mainline. Thank you for choosing CPI Plumbing and Heating.

    Near M Ave, Anacortes, WA 98221
    Coady P.

    Coady P.

    Customer had mainline clog and had shut water off to fixtures. This line has had multiple clogs in the last two months. Piping consists of abs plastic, cast iron and pvc. Line is flat and backgraded from the bathroom to 5 ft before the foundation. Was able to clear soft debris clog and drain line. Used video inspection equipment to inspect line. It is draining at moment but will clog again soon. Floor drain in closet is slow draining and the wye connection that this line connects to the main has debri lodged inside and sticking out some into mainline. Could not clean this drain due to age and pipe material. Line will need to be replaced to avoid future drain outages. No warranty on drain cleaning

    Near S 3rd St, Mount Vernon, WA 98273
    Coady P.

    Coady P.

    Customer reported that the shower drain in unit 102 had sewage back up into it. No other drains seem to be affected. Room is on main floor which is slab on grade. Performed drain diagnostic. Tested all drains in unit with no blockages. Cleaned shower drain and ran water down all drains including shower for 15 min with no back ups. The rooms resident said that this had happened a day or two ago but has not done it since. There could have been a blockage at that time that had released in the last day. Could not get shower drain to back up. Customer will call if problem reoccurs. We will need to video inspect line at that time.

    Near N 1st St, La Conner, WA 98257

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