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Diamond Certified

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100% Satisfaction

Duncan Plumbing's Plumbers Pride Themselves with Customer Satisfaction

Duncan Plumbing is a Diamond Certified Plumbing Company who is dedicated to providing Santa Cruz County residents and businesses with prompt, courteous and professional service.

As local & licensed Santa Cruz, CA plumbers you can count on the experience & professionalism that Duncan Plumbing has built our name around. We feature highly-skilled and respectful plumbers who pride themselves on delivering tremendous customer satisfaction and optimum attention to detail.

We pride ourselves on providing our neighbors with the supreme level of residential and commercial plumbing products. Our community involvement and pride in our county make us a top-rated choice for all of your plumbing needs! Are you looking to re-pipe with copper or PEX? Do you have to have pipes located or video inspected? Or, maybe you just have a blocked drain? Our primary goal at Duncan Plumbing is to supply resolution to the irritations you have, however big or small.

Duncan plumbing van

Let the Respectable Plumbers at Duncan Plumbing Put Your Stress Behind You!

The local residents and business owners have depended on us to manage all of their plumbing and drain needs. From very easy fixes to total re-piping, we have the expertise and skillful team members to service, repair & install any system. Plumbing is one of those things that should only be carried out by a widely experienced professional, errors are not only incredibly expensive to correct but can also create harmful health hazards over time. Let the responsible plumbers at Duncan make your hassles a thing of your past.

We’re Specialists at Repairing All Types of Drain and Sewer Line Troubles.

The highly-skilled professionals at Duncan Plumbing know what a nuisance a clogged drain can be.

Whether it’s a kitchen drain that is flowing slowly, or a bathtub drain that is completely stopped Duncan Plumbing has the skills and the expertise to help. We will unclog your drain, answer any questions you have, and give some helpful tips for keeping your drains flowing freely.


Because downspout drains are supposed to help to channel water away from the building, it is important they are free from leaves and sticks.

Kitchen Drains Plug as Time Passes.

No one wants to cook a meal in a kitchen with a plugged drain. Clogs in the kitchen drains are usually caused by soap gunk and food compost building up on the inner walls of the pipes. Getting these clogs fixed quickly is important as it’s unsanitary to have a sink full of used water.


Duncan Plumbing assists with a variety of plumbing needs in the bathroom – and the sink is no exception. These drains can be back up because of hair, soap, or toothpaste and getting the clog cleared before it’s time to brush your teeth next is essential!

Shower and Bathtub

There’s nothing worse than when you’re taking a shower and the tub starts to fill with water because of a drain blockage. These clogs are most likely caused by a build-up of hair in the drain.


Drains in the floors of laundry rooms and garages usually have a variety of chemicals and other agents rinsed down then depending on what type of projects are being done. A clog in a floor drain can cause a back-up of caustic water and fluid so it’s important to get these clogs cleared up quickly.

If you have a blocked drain, or need information on how to prevent a blockage – contact Duncan Plumbing. Our team of expertly trained plumbers are happy to help!

The experts at Duncan Plumbing possess the skills which assist us in finding and resolving each of your plumbing dilemmas quickly and professionally.

Plumbing troubles really can have a negative result on your entire plumbing system, not to mention your house. When water is running out where it doesn’t belong, it can rapidly wreck your floors and furniture also. If you have a plumbing catastrophe, contact Duncan Plumbing. We have the knowledge and equipment to handle any type of plumbing emergency in a timely and skilled manner. Delaying a plumbing problem, can lead to far more substantial destruction to your house and property. The reality is, not acting immediately will probably even make a plumbing problem worse by generating far more harm within your pipes or drains.

Some factors that might contribute to your need to contact an emergency plumber comprise:

Plugged Drains

Put in basic terms, a clogged drain is an annoyance. But it’s a dilemma in the event the blockage triggers wastewater to back up. This might cause sewage to fill your house or business if you don’t get plumbing assistance. Blocked drains can easily be caused by the failure of your sump pump, by tree roots that may have grown directly into drainage system, and by overflowing or plugged downspouts. So in the event that you have a plugged drain contact Duncan Plumbing today!

Broken Water Pipes

A burst pipe is a plumbing emergency which can cause notable issues in your house! While the burst pipe itself is an atypical incidence for most residences, it can be a consequence of various typical issues. A pipe may burst owing to protruding tree roots. When trees grow, their roots will grow too. The roots will encroach on your pipes and ultimately cause them to crack and burst. In addition, a burst pipe can stem from excessive pressure buildup resulting from jammed up pipes. It doesn’t matter what causes a burst pipe, once it happens you absolutely need immediate help in preventing more serious devastation.

Clogged Toilet

The toilet is one of the most under-rated, yet chief commodities that we simply all take for granted. It’s just always supposed to work. In the event you have a constantly running toilet, numerous toilet clogs, overflows, bursts, or low flushing power, then the chief difficulty could possibly be larger than you can manage. When a jammed up toilet is bringing about a plumbing emergency at your home or office building, call Duncan Plumbing.

Trenchless Sewer Line Repair & Installation in Santa Cruz, CA

Duncan Plumbing our team of professional plumbers is proficient at implementing a trenchless approach for repairing

As the metropolitan areas of the United States grow and become more populated, there is more of an interest to protect investments making the need for trenchless pipe solutions greater. A trenchless approach to installations and repairs permits underground pipeline to be accessed with disrupting or damaging structures at the surface such as buildings, landscaping, and walkways.

Trenchless technology is ideal for installing, replacing, repairing, and maintaining water and sewer pipe systems.

In years past, it would be mandatory to dig a trench using large pieces of equipment and tools leaving areas such as gardens, sidewalks, decks, and patios damaged or destroyed. By using a no-dig approach, these complications and additional costs are eliminated.

Having trees as part of landscaping has many benefits – and detriments. Tree roots can cause major damage to water and sewer lines by growing within the pipes and causing them to crack from the inside out.

However, with trenchless pipe replacement technology you can have peace of mind that if a tree’s roots do damage your water or sewer pipes, they can be replaced with needing to dig a trench and damage your foundation, garage, walkway, landscaping, or deck. This is a proven break-through method and is quickly growing into the standard practice for many underground pipe jobs.


 It can be less expensive because you won’t have the added costs of replacing any surrounding areas that are damaged or destroyed during digging.

 It is typically a quick process taking only two to three days to complete most jobs. Usually, water and sewer systems are only disabled for a few hours.

 The impact is low because there is no digging required so little evidence will be left that you had any plumbingmaintenance.

As an experienced plumbing company, we have knowledge of just about every style of residential and commercial water heaters.

On daily basis we get questions like, Should I have a look at a basic or a tank less water heater? What is a hybrid water heater? What level of tax credits can I expect to see? Our experienced plumbers take the time to answer all of these questions and more. Deciding on which water heater is best for you and your family is a big decision and you should be well-informed. Our first priority is that regardless which hot water heater our plumbers install in your house, you will be 100% satisfied with your choice. The experts at Duncan Plumbing are knowledgeable about all types of water heaters. Some options that we install are:

A Traditional Water Heater

 Typically the most affordable option

 Usually very a very reliable option

 Mostly likely to be installed in homes/condos/apartments/residential

 Higher operating costs and waste space in home

A Solar Water Heater

 Cost-effective solution

 Environmentally responsible

 VELUX solar water heaters (Duncan Plumbing partner) offers 5-year warranty

 Duncan Plumbing staff is trained in installation of solar

A Condensing Water Heater

 Nearly 97% efficient

 Provide a lot of hot water

 Least expensive operating costs

 Require little maintenance and/or repair (stainless steel tank)

 Will usually last lifetime of house

 More expensive to install/cheaper operating costs

 Possible $1,500 tax credit

If you are trying to decide which hot water heater is best for your situation and need some assistance contact Duncan Plumbing. Our team of highly-qualified plumbers are available to answer questions and give you information regarding any of the options you are considering.

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Drain Cleaning
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Emergency Plumbing
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Sewer Line Repair
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Water Heater Installation
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Clogged Up Drains
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Plugged Drains
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Busted Water Pipes
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Trenchless Installation
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Emergency Plumbing
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Video Inspection of Pipe
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Kitchen and Bath Remodels
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Special Discounts on Services

Duncan Plumbing Has Experienced Plumbers Ready to Serve You in the Following Communities:

Duncan Plumbing Specials!

$30 off any services - duncan plumbing
$75 off any water heater installation - duncan plumbing

We Are Diamond Certified Company


About Santa Cruz

Santa Cruz is a city on central California’s coast. Its long wharf, with eateries and shops, stretches into Monterey Bay. Nearby, the Santa Cruz Beach Boardwalk’s vintage rides include the 1911 Looff Carousel and the Giant Dipper roller coaster.

As local & licensed Santa Cruz, CA plumbers you can count on the experience & professionalism that Duncan Plumbing has built our name around.

Contact us today to schedule an appointment with a professional and experienced plumber.

Frequently Asked Questions

Yes, but not very effective towards clearing a blockage in a pipe.

Yes, Plumbers are the only type of contractor that is licensed to install gas lines in your home or business.

Yes, qualified plumbers are best suited to the size and install sump pumps and related systems.

Usually, yes. It will not affect your rates to call your insurance and inquire whether or not it is worth making a claim.

Local Reviews
for Santa Cruz, CA

Duncan Plumbing Rated 4.9 out of 5 stars based on 427 customer reviews

Map of santa cruz, ca 95062

Duncan personnel gave suggestion to get the repair done w/o delay.

Review of Duncan Plumbing

I wanted faucet done with similar facet, which would have delayed the repair. The repair was done quickly, and the tenants are happy.

Santa CruzCA95062 36.9725-121.97

Map of santa cruz, ca 95062

Best Local Plumber

Review of Duncan Plumbing

Duncan has taking care of all my plumbing needs-they have updated everything in my 70 year old home. They are truly the best!! Professional, knowledgeable, and highly skilled.

Santa CruzCA95062 36.9625-121.9775

Map of santa cruz, ca 95060

Great Service - prompt

Review of Duncan Plumbing

Had a water leak from broken pressure regulator. Someone answered the someday and was able to schedule in 2 days. Given that there was no availability to come out the same day they were able to help guide me to get it address quickly. Work completed promptly and correctly. Even was able to come out the same week when the city required something else and they took care of our problem without hesitation.

Santa CruzCA95060 37.0025-122.02

Map of santa cruz, ca 95062

Good service

Review of Duncan Plumbing

Miquel from Duncan was very through and explained everything as he did it. Very professional

Santa CruzCA95062 36.9725-122.005

Map of santa cruz, ca 95062

Great Service

Review of Duncan Plumbing

Miguel was a good, knowledgeable plumber. I would have home work for me again.

Santa CruzCA95062 36.9875-122.0075

Map of santa cruz, ca 95062

Excellent service!

Review of Duncan Plumbing

Service from Jorge and Romero was outstanding! Jorge extensively assessed my plumbing situation, explained everything thoroughly, and took time to answer all my questions. Jorge and Romero were an excellent team. I was also very impressed with customer service on the phone from Amanda and Robin.

Santa CruzCA95062 36.975-122.0075

Map of santa cruz, ca 95060

Great service

Review of Duncan Plumbing

Miguel was professional and patient. He thoughtfully explained (and fixed) what was going on with our water heater issues. It was expensive, but professionalism and a fixed problem is worth the money.

Santa CruzCA95060 36.97-122.0425

Map of santa cruz, ca 95060

Amazing Service

Review of Duncan Plumbing

Santa CruzCA95060 36.9575-122.035

Map of santa cruz, ca 95062

Honest and Willing to Fix

Review of Duncan Plumbing

Ours was not a straight line easy to understand issue. It has been intermittent. Jorge did his best to provide honest assessment and explore possible solutions. He did not try to up sell unneeded things. He spoke to the manuufactureer and they guided him to try a fix with a new part. So far so good. -- The cold water in the bath sink was not working after he left, he had educated me so I knew it was the crossover valve that had not been turned on. I fixed it.

Santa CruzCA95062 36.98-122.01

Map of santa cruz, ca 95060

Happy customer

Review of Duncan Plumbing

These guys were great. I was expecting an estimate and wound up having a new water heater within hours. Couldn't ask for better or more timely service. Thank You

Santa CruzCA95060 36.9725-122.045

Ramiro m.

Ramiro M.

Main line stoppage

Near Thompson Ave, Santa Cruz, CA 95062
Jorge o.

Jorge O.

Waterline repair

Near Woodrose Ave, Santa Cruz, CA 95062
Miguel f.

Miguel F.

Toilet stoppage

Near Dominican Way, Santa Cruz, CA 95065
Jed k.

Jed K.

Boiler retrofit proposal

Near Phelan Ct, Santa Cruz, CA 95060
Miguel f.

Miguel F.

Disposer replacement

Near Alice St, Santa Cruz, CA 95062
Ramiro m.

Ramiro M.


Near 30th Ave, Santa Cruz, CA 95062
Ramiro m.

Ramiro M.

Ice maker shut off replacement

Near Clearwater Ct, Santa Cruz, CA 95062
Ramiro m.

Ramiro M.

Shower valve estimate

Near Byer Rd, Santa Cruz, CA 95062
Jorge o.

Jorge O.


Near Plum St, Santa Cruz, CA 95062
Ramiro m.

Ramiro M.


Near Thompson Ave, Santa Cruz, CA 95062