1245 Thompson Ave
Santa Cruz, CA 95062
831-476-1712

Have any feedback for us? We'd love to hear it! Call us at (831) 777-2942 and let us know how we are doing.


Local Reviews

Rated 4.9 out of 5 stars based on 876 customer reviews

!Great Service!

Jorge Ortiz and his coworker are the best! Very polite, knowledgeable, likeable, respectful, helpful, and even funny. Jorge fixed my problem instantly!

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A terrible day turned better

Had a water leak. Duncan came quicker than expected. It was a leak in the main water line in my house. Thanks to Rats!! Nui was courteous, efficient, and quick working. My problem was fixed in no time. I will request him next time . Sorry about the price score. I just can’t get over the price of things.I know all plumbing is expensive.

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Best Local Plumber

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.

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Great Service - prompt

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.

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Great job!

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Fixed the shower!

We had a good experience with Duncan plumbing identifying the problem, having the needed replacement piece and completing in a timely, professional manner.

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Awesome service!

The Duncan team is awesome! They promised to try and improve their response time to repair my clogged sewer line on a weekend and they did. They were able to move my repair appointment from Monday to late Saturday afternoon. Thanks Robin and Miguel!

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Good service

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

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Great Service

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

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Excellent service!

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.

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Great service

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.

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Amazing Service

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Honest and Willing to Fix

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.

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Thanks, Duncan plumbing!

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Miguel provided efficient, effective service..!!

Miguel provided efficient, effective service on a clogged dishwasher drain system. He quickly determined the problem and finished the job quickly, Further, Miguel was very pleasant to have in our home.

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Job Locations

Miguel F.

Miguel F. Job Checkin

Faucet replacement

Faucet replacement

Arnulfo A.

Arnulfo A. Job Checkin

Installed new ball valve for water line


Arnulfo A.

Arnulfo A. Job Checkin

Installed new pressure regulator


Miguel F.

Miguel F. Job Checkin

Shower valve repair


Jorge O.

Jorge O. Job Checkin

Tankless water heater


Arnulfo A.

Arnulfo A. Job Checkin

Toilet install estimate


Miguel F.

Miguel F. Job Checkin

Leak repair


Jorge O.

Jorge O. Job Checkin

Dishwasher installation


Arnulfo A.

Arnulfo A. Job Checkin

Tankless water heater service


Miguel F.

Miguel F. Job Checkin

Service riser replacement


Jorge O.

Jorge O. Job Checkin

Flapper


Jorge O.

Jorge O. Job Checkin

Water leak


Miguel F.

Miguel F. Job Checkin

Hydrojetting


Jorge O.

Jorge O. Job Checkin

Drain repair


Arnulfo A.

Arnulfo A. Job Checkin

Final water line replacement inspection