5623 Arrow Hwy
Montclair, CA 91763
(909) 982-5698

Local Reviews
for claremont, ca

Rated 4.9 out of 5 stars based on 58 customer reviews

The best!

Immediate scheduling, on time, professional, knowledgeable, and friendly service from Mario

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Excellent service!

Quick, professional, thorough service—on Mother’s Day!

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Thanks, Heather!

Heather was very friendly and professional. She was able to schedule my appointment at a time convenient for me. She also kept me updated on when the technician would be arriving. Excellent service all around.

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Great service!

Every time!

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Riley and great communication

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Definitely know what their doing.

They were able to get a clog that others were not! Super satisfied.

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Excellent service from Klaus and Sons as usual!

Excellent and friendly service from Klaus and Sons as usual!

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Plumber saves the day

Arrived on time. Quickly handled the problem. Pleasant, knowledgable, and informative.

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Great Service they came in 3 hours!

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Great

Heather did an excellent professional job

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Great Service


Response from Klaus & Sons:

We are pleased to know your experience with us was a good one!

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Great people and service.


Response from Klaus & Sons:

We’re delighted to hear about your recent experience with us and we’re so pleased that you recommend our services.

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Great HVAC Service

Klaus & Sons did the yearly maintenance on my HVAC system and Fernando’s service was excellent. He was efficient and thorough—checked and cleaned both heating and cooling and changed the filter. I highly recommend Klaus & Sons and Fernando.


Response from Klaus & Sons:

Thank you so much for taking the time to leave an excellent rating. We really appreciate your business.

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Good service

Good service as usual


Response from Klaus & Sons:

We are so grateful for your 5-star review. Thanks for sharing your rating with us and the community.

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Excellent Service!

I have trusted this company for several years now. They are always professional and informative. The company is reliable and I recommend them without reservations.


Response from Klaus & Sons:

We are pleased to know your experience with us was a good one!

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Job Locations
for claremont, ca

Heather P.

Heather P. Job Checkin

(10-12) COD. Spoke with Robin. They are having low pressure issues with their kitchen sink. This is the only place affected. Their hot water only dispenses in a slow stream. They also have maybe 3-4 other small plumbing issues they have questions on as well. Please get approval on any pricing BEFORE performing any work!


Heather P.

Heather P. Job Checkin

(10-12) COD. Spoke with Robin. They are having low pressure issues with their kitchen sink. This is the only place affected. Their hot water only dispenses in a slow stream. They also have maybe 3-4 other small plumbing issues they have questions on as well. Please get approval on any pricing BEFORE performing any work!


Heather P.

Heather P. Job Checkin

Found system low on refrigerant. This is a recurring issue. Need to go back with locking caps and check charge in a week.


Heather P.

Heather P. Job Checkin

(8-10 REQ) COD. Spoke with Ryan. He would like to get an estimate to replace the toilet in his master bathroom. Please get approval on pricing BEFORE performing any work!


Heather P.

Heather P. Job Checkin

(8:15-10 arrival) COD. Spoke with Emilie. They are dropping kids off at school around 8am, but will be back home right after. They have a sewer smell that seems like it's coming from the crawl space. They are thinking it may be a blocked sewer line. They were already quoted $249 for the crawlspace diagnostic. Please get approval on any other pricing BEFORE performing any work!


Heather P.

Heather P. Job Checkin

Per Mario, open up ticket


Heather P.

Heather P. Job Checkin

3-5. COD. I spoke to Theresa, they want to get a kitchen jetter done to clear their line.


Heather P.

Heather P. Job Checkin

2-4. Sal requested. I spoke to Soundra, they had a water heater installed by us in 2020 and the unit is not working properly, they are not getting any hot water from the unit at all. Did see there was still warranty on the parts, not the labor.


Heather P.

Heather P. Job Checkin


Dan@klausandsons.com

Dan@klausandsons.com Job Checkin


Heather P.

Heather P. Job Checkin

Yearly hydrojet maintenance second building - Stauffer building


Heather P.

Heather P. Job Checkin

8 - 10. Spoke to Alex. Yearly hydrojet maintenance on main sewer lines for a few buildings at Claremont Graduate University. They do it every year with us. Have commencement on the 17th where bathrooms are heavily used and they don’t want any backups/emergencies occurring day of. Need hydro jet on both McManus and Stauffer buildings. This one is McManus. PLEASE CALL ALEX WHEN ON-SITE He will give you access: Cell first - (202) 819-2816; then call office as back-up number: (909) 607-7765.


Heather P.

Heather P. Job Checkin

(8-10 REQ) COD. Spoke with Bruce. He is the homeowner as of 3/11/25. He is having issues with his kitchen line not draining properly. It recently backed up into the utility/laundry room where there is a cleanout. He would also like to get pricing on installing a new fridge line. He should have no appliances or furniture in the way currently.


Heather P.

Heather P. Job Checkin

(8-10 REQ) Warranty. We finished install on this unit in February of this year. Spoke with Tina, she said that the unit isn't working.


Heather P.

Heather P. Job Checkin