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Providing Plumbing & HVAC Service In The Inland Empire

Klaus & Sons is located in Montclair, CA and serves the entire Inland Empire area with the best in plumbing and HVAC service. Our expert plumbers and technicians are happy to serve homes and businesses in Upland, Rancho Cucamonga, Claremont, Ontario and Chino Hills. Not sure if we can service your area? Call us today and we are happy to try!

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Recent Jobs and Reviews

Rated 4.9 out of 5 stars based on 335 customer reviews

Customers say: The reviews exhibit a positive sentiment towards Klaus & Sons Plumbing, with many customers expressing satisfaction with their services. The positive reviews highlight the company's quick response, professionalism, and quality of work. Customers appreciate the technicians' knowledge, friendliness, and efficiency, with many mentioning their willingness to go above and beyond to ensure customer satisfaction. Additionally, customers praise the company's reliability, competitive pricing, and the ability to handle various plumbing issues. Negative reviews are present but are outweighed by the positive ones. However, the negative reviews mainly focus on specific incidents or experiences, with some customers expressing dissatisfaction with the initial service or the resolution of the issue. Overall, the reviews suggest that Klaus & Sons Plumbing provides reliable and high-quality plumbing services, with a majority of customers expressing satisfaction with their experiences.

Job Locations and Reviews

Review
earl bernard - Upland, CA 91784
Response from Klaus & Sons:

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

Review
Great service man..Mario was easy n knowledgeable in explaining our dilemma to us...
Roy Mora - Chino, CA 91710
Response from Klaus & Sons:

We count ourselves lucky for customers like you and look forward to working with you again in the future!

Review
Mario did a great job on clearing my clogged kitchen sink drain.
Martha Logan - Ontario, CA 91764
Response from Klaus & Sons:

We thank you for sharing your positive experience. It made our day.

Review
Excellent A/C service from your technician, Raul.
Richard Carniello - Upland, CA 91786
Review
Always a professional, clean and reliable. Thank you for another great job completed successfully.
Christopher Seymour - Rancho Cucamonga, CA 91737
Response from Klaus & Sons:

Thank you so much for your 5-star review! We will share this with the team to let them know to keep up the amazing work!

Review
We have been using Klaus and sons for 20 years now and would highly recommend them
Nancy & Tom Telford - Claremont, CA 91711
Response from Klaus & Sons:

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

Review
They showed up early, Mario was extremely polite and helpful. The cost was reasonable. Definitely would recommend them.
Joe Murphy - Pomona, CA 91768
Response from Klaus & Sons:

Thank you so much for this 5-star review. We really appreciate you being a customer and helping to share the word about us. We’re here for you anytime.

Review
Great service!!!
Mish - Ontario, CA 91764
Response from Klaus & Sons:

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

Review
Wes did an excellent job and very patient as we tried to decide on which items we wanted.
Betty Schnell - Upland, CA 91786
Response from Klaus & Sons:

We count ourselves lucky for customers like you and look forward to working with you again in the future!

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