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    Jack O'Connor Construction

    4.6 (11 reviews)
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    New room addition

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    Ryan C.

    No one beats Jack. He helped me create my dream home, and was very easy to work with throughout the entire remodeling process. He's incredibly knowledgeable about what he does, and isn't afraid to come up with creative ideas to get you exactly to where you want to be. Can't wait to work with Jack and his team again!

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    9 years ago

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    Review Highlights - Jack O'Connor Construction

    Anyone in the Antelope Valley looking for n honorable, honest, decent construction contractor with fair prices should call them.

    Mentioned in 3 reviews

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    Lenton Company, Inc

    Lenton Company, Inc

    4.5
    (34 reviews)

    A bathroom remodel is a huge investment and not without anxiety. Part of that anxiety was that we…read moreboth dont have an eye for interior design and we needed help. That's where Sarah came in. She was patient and professional with us and walked us through the entire process and helped us pick out fixtures and details that turned out perfect. Once we signed the contract they jumped into action, they immediately scheduled us the following Monday and were in constant communication as what each days work would entail and they never missed a work day from start to finish. They were always professional and friendly. If we need something done again we will not hesitate to use the Lenton Company!

    Our experience has been a nightmare. I do not want anyone, much less elderly people like us, taken…read moreadvantage of. We OVERpaid for a project because Sarah sold us on the length of time in business and lied stating they don't use outside contractors. We had a kitchen demo/remodel. First week was great. Communication was wonderful. Week 2, went downhill fast. No communication. Drywaller showed up hours late. Difficult when I had to keep dogs locked in a bedroom. Got drywall all over my floors and hallway walls. Next day showed up 1 hour, again late and no communication. 3rd day the painter. Week 3 (which we were verbally promised 3, no more than 3-1/2 weeks by Sarah) I noticed that the countertops on the blueprints I happened to see left out, were NOT what we wanted. No one EVER went over designs or confirmed anything with us the entire time. Due to medical reasons, we asked for rounded edges and they were bringing in squared edges. We're able to correct that. However, the quartz was NOT grey/white as Sarah stated. Which I brought up at the time of signing, that sample had NO grey or white to which she claimed to have seen the slab and assured us it was indeed grey/white. Now counters installed. NOT what we asked for. Do not match cabinets at all. Then came the backsplash. Informed days before countertops were laid, that our choice was not available. Sent over 3 samples to select from (no countertop to match it with other than the grey/white in my mind we had supposedly ordered. Now, backsplash is too dark. When we told them it doesn't match, they continued the project, completing it with existing backsplash AFTER I asked them to complete the job as completion date grew closer. To finish, they installed the sink, you can clearly see wood through the sink! The bay window does not drain and water rolls down into the caulking. Then the owner decides to leave town on completion, NEVER coming out to address any of the issues. They accepted final payment but refused to sign a letter stating I accepted my contractual responsibility, but I do NOT accept this job as being performed satisfactory. The first night it was completed, we ran the dishwasher, which flooded our kitchen. Again, reaching out, they blamed us for a faulty dishwasher. They sent in a private plumber (as we refused to allow the original back for faulty work) who pulled out building materials from the drains of the dishwasher. Their fault again! They cashed the final payment, and refused to respond to me. The project is nothing like the photo we were shown. We got wrong countertops, wrong backsplash, cabinet doors, day 1, chipping paint and one won't close at all. They charged us for drawers/cabinets and due to mismeasuring, gave us cheap space-filler cabinets to which Sarah glorified them, calling the "cookie sheet cabinets". We are now approaching week 3 of completion and still nothing from the owner. In one photo you see the grey/white choices we were NOT given but told the piece on the far left (beige/cream) was grey/white. They've taken no accountability at all. At our expense, we will need to have another company come in and demo everything to have it done correctly. I've recently filed a complaint on their contractors license, and will filing a complaint on their business license as well as a complaint with the better business bureau. It is also looking like we will be going to court as weeks are passing and no resolution has been made. This project was just shy of $40,000. Now I have a dark, unmatched kitchen that looks hideous with less space than I started with and chipped cabinets, crooked counters, and unsymmetrical recessed lights. AND, they didn't even put in the light switch on the end of the kitchen. Everyday we are discovering more and more faulty work, so it's beyond just cosmetic. This companies lies, cheats and steals your money to get you to sign. Not 1 day in the past month and a half has ANYONE come in along the way or for final inspection, to even address our concerns. Please don't fall for their lies! If I can save one other person their life savings, wasting my time posting this will be worth it! Please note, ALL 5 star reviews are a long time ago! Mine is current! This company is not what they claim to once be.

    Diamond General Construction

    Diamond General Construction

    4.7
    (34 reviews)

    I'm so glad we found Diamond Construction. After a long search for a trustworthy general contractor…read moreand being extremely selective about who we work with, finding Justo truly felt like hitting the jackpot. From our very first inquiry, Justo has been incredibly responsive and reliable. He's clearly a busy man, but he makes the time and actually shows up. If you've dealt with contractors before, you know how rare that is. He follows through and does exactly what he says he's going to do. He stands confidently behind his work, which immediately gave us peace of mind. I'm very particular. It's simply in my nature. I ask detailed questions, I research everything, and I pay attention to the smallest things. Justo has been nothing but accommodating every step of the way. He answered every question thoroughly, never rushed the process, and never made us feel like we were asking too much. His knowledge and professionalism genuinely stood out, and you can tell he takes pride in delivering quality work. We initially reached out because we had a leak in our garage and needed our roof repaired and had contacted several other companies. What really set Justo apart was the balance. His pricing is fair and reasonable, yet you can clearly see the confidence he has in his craftsmanship. There's no pressure or gimmicks, just honesty and solid work. One quick tip: the phone number listed on Yelp is a Yelp-generated number. If you want to connect quickly, use the "Request Consultation" option on Yelp or visit their website for their direct contact information. Give Justo a chance to earn your business. We genuinely feel lucky to have found him, and we won't be going anywhere else. Thank you Justo and team! :)

    The best and most honest contractor to ever work with. Great quality with good prices. Owner is a…read moreman of his word with great communication and follow up. Thank you for the amazing work and service.

    Jack O'Connor Construction - contractors - Updated August 2026

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