Dial One Sonshine
Company Overview
Dial One Sonshine Plumbing, Heating & Air Conditioning
Dial One Sonshine is a family-operated company. For 40 years, we have served homeowners in Orange County and San Bernardino. The company was founded by Dave Marquez and his wife. They have created a successful service company. Since he was 12, their son Jonathan has been involved in the business. He has a deep understanding of HVAC systems and considerable plumbing skills. As we move forward, this company will remain in the family to preserve our values, integrity, and commitment to customer service.
Jonathan has been part of his parents' company from the time he was 12. He began by riding along with his father and gradually advanced from shop assistant to installer, then to service technician, and eventually to manager of installations and General Manager. Thanks to his excellent customer service skills, Jono has developed a strong repeat client base and is committed to delivering the best work possible. Jono's interests include hockey, snowboarding, sports, and enjoying time with family and friends.
Business Services
- Drain installation
- Drain repair
- Garbage disposal installation
- Gas line installation
- Gas line repair
- Hot water recirculation pump installation
- Hot water recirculation pump repair
- HVAC installation or replacement
- HVAC system repair
- HVAC system maintenance
- Plumbing inspection
- Plumbing installation or replacement
- Plumbing repair
- Sewer installation
- Sewer repair
- Water heater installation
- Water heater repair
Business Location & Hours
Mon: | Open 24 hours |
Tue: | Open 24 hours |
Wed: | Open 24 hours |
Thu: | Open 24 hours |
Fri: | Open 24 hours |
Sat: | 8:00 AM - 6:00 PM |
Sun: | 8:00 AM - 6:00 PM |
Recommended Customer Reviews

I was searching for a different company and dialed them by mistake. When I noticed that I called the wrong company, Jonno was insisting that their company is a great one and he can help me with a second opinion on the estimate but I refused and he said he would be an assessment for free. He sent out Johnny and he said he never heard anything from Jono.
So they wasted my time over one hour to schedule this and Johnny said he won't do a leak detection for free, even though I had an estimate from another company. I was just looking for a fair price and a 2nd opinion not to pay $300 something more out of my pocket to hear the same thing the other company had already told me about.

We had root blockages in our mainline. They came out and got their snake stuck trying to clear the blockage and left for the day. The next day they managed to free the snake and tried to hydro jet. The machine looked like a glorified power washer. It didn't have it own water tank, it just connected direct our outside water faucet. They did manage to clear 2 blockages. He couldn't get his hydro jet all the way to the last blockage at 70ft. At that point the tech's boss wanted $25,000 to dig up the pipe in the street. I called another plumber and he cleared it all the way to the city line.

John is amazing and truly a pleasure to have in my home to trust that anything i need helo with will be fulfilled :) always on time and always giving us the best experience 100%

Highly recommended. They have a friendly staff and great service. I get reminder calls for my service which works for me because I always forget. On top of that they never keep you waiting. Tyler came to service the air condition and he went above and beyond. Thank you for being so efficient! You guys are amazing!

BEWARE! Called Corona Rapid Plumbing for dripping faucet in bathroom and requested shut off valves (4) be replaced. Dial One Sonshine responds with estimate to replace valves only at $772.50, WOW! The plumber (Rueben) writes in 1 year water heater & 1 year heat/cool maintenance onto estimate (not requested), sneaky! There was no estimate to fix leaking faucet. After rip off (very high) estimate to replace valves, the scammer ask me to sign paperwork for estimate and charged $69.00 for diagnosis when I declined to be scammed and ripped off! I fixed valves myself for less than $50 in an hour. Will replace faucet myself or find trustworthy, honest and fair plumber to do work, but not Corona Rapid Rip-Off Plumbing (aka: Dial One Sonshine)! WARNING DO NOT USE, FIND A FAIR, HONEST PLUMBER!

Service was great and tecnician was very nice . However,I needed to replace the bathroom fan light in my kids bathroom and I just purchased a new unit for that. So all I needed was installation of the new fan Unit. I was quoted $490 and was told this standard price for this . The technician did not have to go in the attic and was done in about an hour .
I felt that this was overpriced for what I needed but payed anyway . I have been doing research all day and even called a few other places and found out that was charged way too much for the service . All I needed was somone to install the fan for me . Before you sign with this company do your research because us homeowners really have no idea of the cost . Ive had to learn the hard way today and will be extra cautious before I hire another company .

I called Dial One based on the good reviews here and what I thought was a fair price on having a plumber come out to look at a leak.
Unfortunately for me that is where the good news ended. The plumber that they sent out to me was extremely unprofessional and he quoted me an absurd amount just to identify the leak that I had. I sent him away and had another company come out that was able to ID and reroute the pipe that was leaking for only a bit more than he wanted just to find the leak.
To add to that, the plumber that came out started ranting to me about how Obama has infiltrated the white house and 60% of the country knows that he is muslim and trying to destroy the country from within. I could go on about his views about government tracking, how he is an ""Oath Keeper"", and more but I think that you get the idea.
I can not believe how unprofessional this was, and that he did it in front of one of my tenants as well. I will never be calling this company again.

Dial One Sunshine has been my service provider on my house for 15+ years. Are they expensive? Yes. Is it worth it? Beyond worth it!!! They come out 2x a year to service my system and provide recommendations to keep my system and plumbing running. I use them because I know they will do the job right, are reliable and know what they are doing. Yes I might pay more, but having gauranteed work and reliable service is worth it. The service men, Shawn, Nick, etc., have been nothing but great and knowledgeable about what they are doing. Again, not the cheapest, but always worth it.

John and his son Tyler both very friendly, courteous and knowledgeable about their jobs. They repaired my A/C unit quickly and reviewed what they had done and the current status of the unit. My only disappointment was reviewing the bill afterwards. My wife and I spent the last three days in a house with temperatures well over 85+ degrees so we were grateful for the repair and at that point weren't concerned so much about the cost. But reviewing after the fact, being charged $425 for the service call and capacitor replacement which took just about 30 minutes seems a bit excessive. Understanding the $89 dollar service call and adding in the cost of the capacitor which averages between $25 and $35 the additional $300 for the work performed seems very excessive. I should have questioned it when they were day and it is my fault I did not. My recommendation to others is to get a breakdown of costs.

I was in a bind and needed someone to come out the same morning. I made the appointment just after 8am and they were able to get a technician to the house by 10:30am. Shawn was very polite and used booties without me asking whenever he came in and out of the house. He was able to fix the problems in a timely manner and also took the time to change the filters for me. I highly recommend this company and Shawn.