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!

Recent Jobs and Reviews
Customers say: The reviews exhibit a positive sentiment, with many customers expressing satisfaction with the services provided. Positive reviews frequently mention aspects such as professionalism, punctuality, expertise, and excellent customer service. Customers also appreciate the quality of the work, the efficiency of the repairs, and the friendly and respectful attitude of the technicians. Additionally, there are mentions of reliability, trustworthiness, and the ability to handle various plumbing issues. Negative reviews are present but are less frequent and tend to focus on specific issues or experiences. However, the overall tone remains positive, with many customers expressing gratitude and recommending the services to others.
Job Locations and Reviews
Always a professional, clean and reliable. Thank you for another great job completed successfully.
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!
We have been using Klaus and sons for 20 years now and would highly recommend them
Thank you so much for taking the time to leave an excellent rating. We really appreciate your business.
They showed up early, Mario was extremely polite and helpful. The cost was reasonable. Definitely would recommend them.
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.
Wes did an excellent job and very patient as we tried to decide on which items we wanted.
We count ourselves lucky for customers like you and look forward to working with you again in the future!