Water Heater Repair & Installation in Orange County

Cold showers on a work morning send most people straight to the phone. Precision Plumbing has handled Water Heater Repair & Installation in Orange County since 2000, working out of our Mission Viejo base. Tank units, tankless units, rentals, and small commercial buildings all fall under this work. We are a licensed California contractor, license #778399. Every visit begins with testing the unit you already own.
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We've had a great experience with Precision Plumbing. Most recently, they helped us locate and repair three separate leaks under our concrete slab. They started with a free inspection and did a very thorough job diagnosing the issue, clearly explaining what was going on and what our options were. Their approach was professional, direct, and honest, no upselling, just practical solutions and clear communication. The work was handled quickly and efficiently. I felt confident in their expertise the entire time. We had also used them previously for a midnight plumbing emergency, and they were incredibly responsive and reliable, one of the only companies willing to come out at that time which is why we trusted them again for this most recent project. Martin & his team are super knowledgeable, dependable, a great value for what they provide and easy to work with. I highly recommend Precision Plumbing!!!
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darlene arriaza
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Our main water line sprung a leak and it was such a inconvenience when you don't have proper running water. After finding Precision on Google, I decided to give him a call. He was very responsive and was the first out of 3 plumbers to arrive next day in the AM. He was very easy to talk to and didn't try to up sell like the other ones. His quote was fair and I didn't feel like I was getting ripped off. I would call them back if I need any plumbing services in a heart beat!
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Mel
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Our main sewer line had been giving us issues for over a year. Slow drains, weird smells in the backyard, and finally a backup in the guest bathroom that pushed us over the edge. Got three quotes for a sewer replacement for our home in Laguna and these guys came in not the cheapest but definitely the most thorough. The tech ran a camera down the line first and walked me through exactly what we were looking at on his tablet. Turned out we had old clay pipe with two big root intrusions and a partial collapse near the cleanout. They scheduled the work for the following week and got it done in two days. Crew was respectful, kept the yard damage to a minimum, and even reseeded the section of grass they had to dig up. Haven't had a single issue since and I sleep better knowing it's handled.
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Sharon Garcia
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I’m usually very nervous to call any sort of service company. I feel like they always make me feel stupid and rip me off. My toilet was clogged and I was already embarrassed to contact anyone. When I contacted Martin, he was immediately kind and explained what he would be doing. He did the job perfectly and even left my bathroom cleaner than it was before!
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Alexis Reagan
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Really happy with the service from Precision Plumbing. I called them out for a plumbing issue at my home and they showed up quickly, which I really appreciated. The plumber was easy to talk to, explained what was going on in and got everything fixed without any hassle, no confusion, just straight to the point and got the job done right. Overall, solid experience. I’d definitely use them again if I run into any plumbing problems.
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Ricky Ly
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Was bracing for a hard sell when our 14 year old water heater started leaking. Two other plumbers basically tried to push tankless on me before they even looked at the unit. Called Precision in Mission Viejo and he came out the next morning, walked through both options, laid out the real cost difference and the gas line work tankless would need. No pressure either way. We went with a 50 gallon tank because the math made sense for our family. He pulled the permit, did the install the next day, hauled the old one out, and strapped the new one properly for earthquake code. Straightforward company.
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Bahar Ghauomi
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Slow drains in pretty much every sink and tub at the same time, which I now know is not a good sign. Called Precision on a Monday morning and they came to the house by 1pm. He camera scoped the line first, showed me a wall of grease and gunk about thirty feet out, and explained why snaking it would only buy me a few months. They hydrojeted the whole line for a fair price. Drains have been running smoothly. Saved as #1 Plumber lol.
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Diego
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Both units in my duplex were backing up and I knew it was time to get the main line looked at. A friend in Laguna had used Martin before and said to call him. He came out, scoped the line first so we could actually see what was going on in there, and then hydrojetted the whole thing. years of buildup just gone.
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viviane rosales
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These things always seem to happen on the weekend - the outlet from my water heater started leaking. I did a Google search to find a plumber that was open and found Precision Plumbing in Mission Viejo. Within an hour of my call, Martin was at my door. He diagnosed the problem and gave me some options. I chose getting a new water heater and fixing associated fittings. Martin was back out Monday morning to do the work. They were prompt, professional and friendly. They knew I had a tight schedule and they finished earlier than expected. They double checked to make sure everything was working, including replacing the pressure regulator to the house, which probably saved me from an even bigger future repair bill. I highly recommend Precision, for your local plumbing needs. Great service and fair pricing.
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Bethlehem Mitachew
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Martin helped us in the past with a clogged drain and this time with a slab leak. Again, I can't say enough good things about his team. From the start, it was clear they really know their stuff and are incredibly transparent and honest. They were thorough with the inspection and took the time to explain everything in detail. The crew that came to do the repipe was just as impressive. They were hardworking, knowledgeable, and cleaned up after themselves. It was very obvious they knew exactly what they were doing and were great at it!
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Audrey Schreck

Affordable Pricing Special Senior & Veterans Discounts

26+ Years of Industry Experience

Customer Satisfaction Focused

Fast Response & Reliable Service

What Does Water Heater Repair & Installation Involve?

Repair means fixing the parts that make hot water. We test the thermostat, heating element or burner, gas valve, thermocouple, and anode rod to find the source of the problem. Smaller faults get corrected too, such as a leaking drain valve or a pilot that keeps dying. Installation is a separate job. The old heater comes out, and a tank or tankless model takes its place. Water lines, gas lines, venting, straps, and the expansion tank all connect during that step when required. Local requirements also determine how the unit sits and vents. Repair keeps a sound heater working. Installation gives the property a new service life.
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Water Heater Replacement in Orange County

Rusty water at a hot-water tap can point to corrosion inside the tank, especially when the heater is older. Rumbling sounds often indicate mineral sediment collecting on the tank floor. Age matters as well, but the condition of the unit tells us more than age alone. Water pressure also gets checked because excessive pressure puts added stress on plumbing components and connections.

Sizing is determined by how many people use hot water, how close together that demand occurs, and what appliances draw from the system. A tank that is too small may run out during busy periods. A tank that is too large uses more energy than necessary to keep unused water hot. Old unit removal, disposal, and correct hookup to the existing plumbing are all considered as part of the replacement. You end up with a heater selected around your actual needs rather than simply replacing the previous model.

Your Trusted Partner for Residential & Commercial Plumbing

Our Full Range of Plumbing Services

Water heaters are one slice of the work. A hot-water problem sometimes appears alongside a leak, clog, fixture issue, or another plumbing concern. Here is the rest of what we handle.
Larger jobs need somebody planning the whole sequence, not just the visible repair.
Shutting water off quickly limits the damage, so knowing where your main valve sits helps when a line fails.
Slow sinks and gurgling tubs mean the line has restricted flow, not simply a plug sitting at the strainer.
Cable machines open a path through a blockage while some buildup remains on the pipe wall.
Roots can enter sewer joints, while older or damaged pipe sections can crack or separate over time.
A warm patch underfoot, a spinning meter with every tap closed, and an unexplained jump in water use can all point toward a leak beneath the concrete.
Pinhole leaks can appear in aging copper, often inside a wall or ceiling. A single stain on drywall does not always show how far the pipe problem extends.

Scale on glassware, changes in taste, and residue around fixtures can relate to what is present in the water.

Tank and tankless units alike get repaired, serviced, and installed through Precision Plumbing.
A toilet running all night wastes water and usually points to a component that needs attention.
Dripping faucets and stiff handles wear on you every day, while mineral buildup can affect cartridges and other internal parts.

Gas work leaves no room for guessing. New runs for ranges, dryers, fire pits, and outdoor kitchens each need correct sizing, secure connections.

About Us

Precision Plumbing aims to fix plumbing right the first time, using real diagnosis instead of guesswork. Martin Reagan built the company in 2000 around dependable repair work for homes and businesses across Orange County. We still follow that same approach today: understand the problem, explain the options, and complete the work with attention to the details that affect the system afterward.
Rated 5 out of 5 by our clients

Benefits Of Choosing Our Water Heater Repair & Installation

Trust in this trade gets earned one visit at a time. Six things stand behind the name.
Serving Since 2000

We inspect wall surfaces for safe and accurate installation preparation. Precision Plumbing opened in 2000 and has continued serving the area for more than two decades.

01
Founder Led

Martin Reagan founded the company and stays involved in the work itself. You speak with the person behind the business rather than being passed through a large call center

02
Honest Pricing

Recommendations stay transparent, and nothing lands on a bill without explanation. We explain the reasoning behind each option so you understand what the work involves before making a decision.

03
Homes And Businesses

Houses, offices, retail spaces, apartment buildings, and commercial facilities all fall within our range. Landlords, managers, and contractors receive the same straightforward approach to the plumbing work.

04
Years Of Experience
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Project Complete
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Satisfied Clients
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5 Star Rating
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Precision Plumbing

Do You Have any questions?

Don’t worry! Send your questions to us.

How A Water Heater Visit Works

Three steps cover the job from first call to finish.
Look At The Unit

Nothing gets priced over the phone without seeing the actual situation. Your heater gets inspected, tested, and compared against everything connected to it. Age, scale, pressure, connections, and venting all shape what comes next.

Hear Both Options

Repair and replacement each get explained in plain terms with the reasoning attached. Cost, remaining service life, condition, and potential future issues all factor into the discussion. The decision stays yours.

Finish It Properly

Parts go in, or the new unit does, with the appropriate connections and installation details addressed. Temperature, operation, connections, and relevant venting get checked before we pack up.

Tank Water Heater Installation in Orange County

Cramped spaces can make standard tank installation more involved. Some properties around Aliso Viejo and Ladera Ranch have heaters placed in hallway closets, garage corners, or other restricted areas. When a heater sits near finished walls or flooring, even a small leak deserves attention before the surrounding materials are affected.
Placement is part of the installation. Precision Plumbing sets each unit with the available drainage and access in mind, using a pan and drain line where the installation requires or allows it. Seismic straps secure the tank, while an appropriately sized expansion tank helps manage pressure changes where required. New connectors and a properly configured vent complete the installation based on the equipment and applicable requirements. We also handle removal of the old unit as part of the replacement process. When a heater swap turns into a larger job, the work is handled by our Plumbing Contractor side.

Tankless Water Heater Installation in Orange County

Two back-to-back showers plus a dishwasher can put heavy demand on a small storage tank. A tankless water heater takes a different approach by heating water as it moves through the system instead of storing a full tank.
Reaching that point takes more than hanging a box on the wall. Gas line size, electrical requirements, vent routing, condensate drainage where applicable, and future descaling access all have to line up first. Precision Plumbing checks these details before equipment is selected. Wall mounting can free floor space that a storage tank would otherwise occupy, which can matter in a tight garage or utility area. We size each unit around the property’s actual peak demand rather than simply choosing a model from the shelf. Send your peak demand details through Contact Us and we will size the unit before quoting.

Electric Water Heater Repair in Orange County

Electric tanks fail in a fairly narrow set of ways. A burned-out upper or lower element, a faulty thermostat, or a tripped high-limit switch can explain a no-hot-water call. Testing each component helps separate a repairable part from a problem with the tank itself.
The payoff from that check is simple. You learn whether a small component solves the problem or the heater needs a larger repair or replacement. A sound tank with one failed element does not automatically need to be replaced. If the issue points toward the breaker panel or house wiring instead, that work belongs with an electrician. We will tell you that rather than guessing at an electrical repair outside the water heater.

Gas Water Heater Repair in Orange County

A pilot that will not hold, a burner showing unusual flame behavior, or a failed thermocouple can each point to a different problem. The gas valve, burner assembly, thermostat, thermocouple, venting, and other components may need to be checked before the right repair becomes clear.
Gas-related repairs receive careful attention because the system has to operate properly after the work is complete. We inspect the relevant connections and venting, complete the approved repair, and test the heater afterward. If you smell gas near the heater, treat it as a safety issue. Leave the area, avoid creating a spark, and contact the gas utility from a safe location. New runs for ranges, dryers and outdoor kitchens fall under Gas Line Services rather than heater work.

Book Your Water Heater Visit

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Contact Us

Hot water trouble is easier to address once someone qualified sees the unit. Reach Precision Plumbing at +1 949-235-1188 or Mrtnreagan@cox.net to set a time.

Call us anytime

+1 949-235-1188

Email us

Mrtnreagan@cox.net

Water Heater Questions People Ask

How much does water heater work cost?
No flat price exists, because the job depends on your unit and its condition. Tank size, gas or electric operation, venting, access, and the state of the connections all affect the scope. Pricing comes after an inspection, so you see the number before anything starts. Seniors and veterans get a discount, so mention it when you call.
Age matters, but the condition of the unit matters just as much. A newer tank with one failed component may be worth repairing. An older tank showing corrosion, repeated failures, leaking, or significant deterioration presents a different situation. We look at the whole unit before recommending one option over the other.
Sediment settles in traditional tank water heaters over time. Flushing is commonly included in maintenance, but the appropriate schedule depends on the unit, water conditions, and manufacturer guidance. The anode rod also deserves attention during maintenance. Tankless units need descaling rather than traditional tank flushing.
Rusty water from a hot-water tap can point to corrosion inside the tank or another issue affecting the hot-water system. A rotten-egg smell can have a different cause, including interaction between the water and the anode rod. Testing helps determine whether the issue calls for maintenance, a component repair, or replacement.
Yes, tankless installations run through our shop regularly. Gas supply size, venting, electrical requirements, water connections, sizing, and maintenance access all need to be considered before equipment gets ordered. We confirm those details during the initial assessment so the selected system fits the property’s needs.

Cities We Cover Across Orange County

Mission Viejo is home base, with the shop on Dolorosa and service extending roughly 20 miles from that location. That puts several South County communities within our regular service area. Water heater work, drain trouble, leaks, and other plumbing needs all get covered across the same footprint. Familiarity with the area matters because properties differ from one city to another. Older plumbing, newer equipment, attached housing, rentals, and small commercial spaces can each present different access and installation considerations. Our local experience gives us a useful starting point without assuming every property has the same setup. The rest of what we handle across the county is listed on precisionplumbingoc.com.

Areas We Serve