1. Quest Home Services

    1. Quest Home Services

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    Diamond Bar, CA

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    Quest Home Services

    4.8 (20 reviews)
    Open 8:00 am - 8:00 pm

    Services - Quest Home Services

    Plumbing inspection

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    Recommended Reviews - Quest Home Services

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    4 years ago

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    Selina F.

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    5 years ago

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    Selina F.

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    6 years ago

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    Selina F.

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    5 years ago

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    Selina F.

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    4 years ago

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    Selina F.

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    5 years ago

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    6 years ago

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    Selina F.

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    4 years ago

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    Selina F.

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    5 years ago

    Good stuff, fast diagnostic and speedy hot water heater replacement. All good and water nice and hot now. Thanks.

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    Selina F.

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    6 years ago

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    Selina F.

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    5 years ago

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    Selina F.

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    6 years ago

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    Selina F.

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    6 years ago

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    Selina F.

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    6 years ago

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    Selina F.

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    5 years ago

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    Selina F.

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    6 years ago

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    Selina F.

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    6 years ago

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    Selina F.

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    6 years ago

    I contacted Quest Home Services for a quote. I was provided with excellent, fast responses. They were very accommodating and understanding.

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    Selina F.

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    6 years ago

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    Selina F.

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    5 years ago

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    Ask the Community - Quest Home Services

    Does quest do financing?

    Good morning Stacey, We're responding to message to clear our yelp inbox. We spoke already regarding financing. I hope we can still be able to help with your new a.c system. Please let us know if you have any further questions.

    Don’t See Your Question? Ask Away!

    Review Highlights - Quest Home Services

    I thank Steve for his great communication and hard work in the heat all day Saturday!

    Mentioned in 9 reviews

    Read more highlights

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    KP Plumbing & Leak Detection Specialists - New hose bib for the back

    KP Plumbing & Leak Detection Specialists

    (175 reviews)

    Gave Kevin a call and left a voicemail. Returned my call literally within 2 hours and he diagnosed…read morean issue over the phone for me for free. He was nothing but helpful and respectful and offering solutions. I had an issue where my water pressure was super low, and a flush to the toilet or turning on the washing machine (when drawing a large amount of water) would cause water pressure to decrease everywhere else. Turns out my water softener was super dated probably 20+ years old and he just told me to turn on the bypass for that. He told me to send pictures and told me exactly how to do it over the phone. 10/10 customer service, did not charge me at all. If I have another plumbing issue in the future I will not hesitate to call him.

    Kevin at KP Plumbing is honestly one of the best I've ever worked with…read more He's incredibly talented at what he does, but what really stands out is how much he genuinely cares about his work. You can tell he's passionate about doing things the right way instead of just getting the job done as quickly as possible. He made me feel comfortable from the get go. He was always respectful, patient, and took the time to explain everything so I actually understood what was going on. I never felt rushed or talked down to, which I really appreciated. I also noticed he uses high quality materials instead of the cheapest parts. We talked about how important longevity is, and it was obvious he cares about fixing things the right way so they last. That kind of attention to detail builds so much trust, and that's hard to find these days. On top of all that, Kevin is just a genuinely great person. He's easy to talk to, has a great attitude, and somehow makes a stressful plumbing problem feel a lot less stressful. I actually enjoyed chatting with him while he worked. If you're looking for a plumber who's honest, knowledgeable, takes pride in his work, and truly cares about his customers, I can't recommend Kevin enough. I'll definitely be calling him again for any future plumbing needs.

    AAA Water Heater Company - New Water Heater Installed

    AAA Water Heater Company

    (80 reviews)

    I'm writing this review because I rely on Yelp reviews for how I hire for home repair. I sent a…read moremessage late Tuesday night via Yelp and got a response even after hours. The next day Sam followed up with me and gave me a quote for a water heater install and said he'd be there within 2 hours when I was ready. I told him I needed to discuss with my wife. During this time, I called another local company for a quote and they quoted me about 800$ more for the same exact branded/sized water heater, installation hoses/connection, etc. their warranty was also one year less than AAA was providing. I then called another plumbing company and their quote was even more astronomical than the second company. So I called Sam back after agreeing with my wife that we would proceed with him. He stated he had a new customer in the 1 hour we'd last spoken, but not to worry because he'd still be there same day just later in the afternoon. He provided a time frame and text when he was 30 min out. He arrived and got the water heater swapped out in 2 hours as he said over the phone. We went from having a leaking water heater to a brand new one. It's all up to code and we feel very confident in Sam's work. Additionally, Sam was a very courteous and polite guy. He explained everything and answered every question we had. He never seemed rushed or tried to upsell us anything. His customer service was outstanding.

    I had a fantastic experience with AAA Water Heater Company and can't recommend them highly enough…read morefor their honesty and professionalism. I reached out for a second opinion after another company suggested I immediately replace the water heater in my rental property with a much more expensive tankless unit. Instead of just trying to make a quick sale, Bill at AAA gave me a truly honest assessment. He pointed out that while a tankless system has its perks, the yearly maintenance requirements could actually be more of an inconvenience in a rental situation. He provided clear, transparent pricing for both traditional and tankless options but ultimately helped me realize that my current unit still has some life left in it. It's rare to find a business that prioritizes the customer's best interest over their own immediate profit. Because of this integrity, I've decided to "ride out" my current unit for now, but I will absolutely be calling them the moment it's time for a replacement. I plan to use them for my rental properties moving forward, and I will be recommending this company to all of my family and friends. If you want an expert opinion you can actually trust, look no further!

    All City Plumbing, Air & Electrical - All City Plumbing, Air & Electrical

    All City Plumbing, Air & Electrical

    (4.8k reviews)

    Sky was an outstanding technician sent by All City. He arrived quickly, diagnosed the issue…read moreefficiently, and was honest throughout the entire process. I really appreciated that he gave me several options to consider instead of pressuring me into one solution. What impressed me most was how clearly he explained everything. Since I know very little about how HVAC systems work, he broke it down in a way that was easy to understand--almost like he was teaching an elementary school student, but in the best way possible. He was patient, knowledgeable, and incredibly skilled. Thank you, All City, for sending someone with Sky's expertise and valueto my home. He's a true asset to your team, and I highly recommend both him and All City!

    I called All City Plumbing, Air and Electrical because I had diagnosed that my furnace's blower…read moremotor and capacitor needed to be replaced. Jonathan came out and confirmed that that was indeed true. Everything seemed to be going well. Jonathan was very friendly and polite. When it came time for the estimate, he told me it was going to be just under $3,000. That seemed like quite a lot to me for just changing out a blower motor and a capacitor. He also told me that my Rheem furnace couldn't take just any old blower motor and he had to order one special. He said that his company doesn't deal with Rheem because their parts are hard to get. I reluctantly agreed to the repair, which he said would probably take place the next day. Later, he called and said the part wasn't going to arrive for a whole week. This was during one of the hottest weeks of the year in Southern California and I certainly didn't want to be without air conditioning, which runs through my furnace and needs the blower motor. I asked him what my other options were. He told me the only other option I had was to get a whole new system. He explained that he could install the system in only 2 days time or I could wait a whole week and have him repair the blower motor. He also mentioned a 10 year warranty with 1 or 2 years of service from his company. I asked him about the brand and quality of the Furnace that he intended on selling me, which was going to be almost $8,000. He told me it was better than my current system brand and I asked to get it in writing so I could do some research. After not receiving anything in writing I called his company and requested the same thing from them. Shortly after the conversation with his company I received an email specifying the make and model of the new furnace. I researched online and discovered a few interesting things. Number one, Jonathan had lied to me about Rheem parts. I found out from my online research that Reem takes Universal parts and I would not have had to wait until the next week to receive a blower motor that would fit. I also discovered that blower motors and capacitors cost nowhere near $3,000 to install. And finally, the brand of the new furnace that was recommended by Jonathan was nowhere near the quality of the Rheem furnace that I already owned. I canceled the job immediately with the company and again with Jonathan when he called me to find out what was going on. I am still waiting for my refund on the deposit! My contractor friend and I went to an HVAC store and purchased a universal blower motor and capacitor for $180... and installed it ourselves in a couple hours. The system is working perfectly. I don't recommend this business at all. I'm completely confused on why they have such a good rating on Yelp, which is why I picked them to begin with. This was a clear case of trying to take advantage of an old lady in a wealthy neighborhood. Shame on them!! Update: I received a full refund of my deposit and the service fee was completely waived. I got a nice apology from the owner and a manager.

    Plumbing Method - Before. Old and original to the house

    Plumbing Method

    (187 reviews)

    If you live in chino hills you already know how old our houses are. And with that age, our water…read morepressure regulator, main shut off, and spigot all failed. One yelp inquiry later within minutes, Cori and his team sent out Jason to help us out the next day (as we requested). We were given a window of 11 am - 1 pm and for the first time I've ever been given a window of arrival, Jason showed up promptly at 11 am. He went to work on inspection, giving recommendations, and then replacing the entire trifecta. We ran into some hiccups along the way where some pipe was dented from age and needed to be replaced and that was taken care of swiftly. We also have a napping newborn and he was miraculously able to sleep through the work and Jason was kind enough to work gently during the naps. After the job was done we chatted for a bit and he was on his way. Later that night I did notice a small leak coming from one of the couplings and Jason quickly returned the same night to fix the issue despite it being late. I even said we could wait until tomorrow but he insisted on getting to fixed. A quick fix later, all was well. I have working water pressure throughout the house and no more leaks. The wife and baby are very happy. Thank you to Jason for all the help and a huge thank you to Sonia for coordinating all this!! She was super quick on communication and was always patient and empathetic. And thank you to Cori for being on standby to support us through tonight. I firmly standby supporting your local businesses as they truly mold a community and help foster growth. So please don't hesitate to try and contact these fine people. I look forward to working with you all again should the dreaded day I have plumbing needs arise again

    Great communications and quickly gave a fair quote and fixed the problem…read more Thank you!

    Jerry's Plumbing & HVAC - Installation of CNC water jet system -commercial building

    Jerry's Plumbing & HVAC

    (101 reviews)

    Miles @ Jerry's Plumbing took care of me with replacing our faulty pressure reducing valve and…read moreinstalling a water softener and whole home water filter. He was extremely honest and professional, keeping me informed every step of the way during the install and making sure that I approved things such as placement of the water filter/softener system, how I wanted the lines ran, and even went above and beyond to tie the drain into my house's sewage system so that it looked as clean as possible. Most other plumbers I called wanted to run the drain for the system across the entire garage to tie into my laundry drain, but Miles took one look and said he could do one better than that. For our pressure reducing valve, the original one was soldered on without any way to replace it except by cutting the copper piping on both ends. Before installing the new replacement valve, Miles made sure to install unions on both ends of the pipe so that in the future, if I ever needed to replace it again, I could easily do it myself without having to call a plumber. Out of all the plumbers I contacted for estimates, Jerry's plumbing was the most honest company, providing the best pricing, while offering (in my opinion) the cleanest workmanship. Overall I'm am extremely happy and will definitely call them again for any future plumbing needs.

    I just had my shower valve replaced and Jerry's plumbing was fantastic from start to finish…read more They were great with giving me a quote over Yelp immediately and I was able to have someone scheduled the next day to install. Juan came out on time and finished the job professionally and was meticulous about putting plastic wrap around the bathroom to make sure it doesn't get dirty. He also cleaned up afterwards which was really nice. Friendly and fast service and would definitely hire again. Their pricing is very competitive and I would say better than others in the area and are upfront about cost and don't upsell. They were fast, reliable and responsive which is hard to find these days.

    Quest Home Services - plumbing - Updated September 2026

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