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    Delaware Plumbing Professionals

    3.2 (67 reviews)
    Closed 8:00 am - 4:00 pm
    Updated 2 months ago

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    The service was same day and well done. But I am definitely showing my age in authorizing the work. The price was $925 for less than $150 in parts and less the 2 hours of labor to perform the task. This is in addition to the dispatch fee which is $65. The job was to lower the p-trap by less than an inch and ensure that it was draining correctly. Plus connect it to 2 sinks and a dishwasher drain as we went from an above counter sink to a below counter. This did not involve changing the drain pipe or connecting the faucet. And they didn't use the sink pieces that I had bought. That ends up being almost more than $400 an hour which can't possibly be the market price. To put it in perspective I had a different plumber replace outdoor faucets and put in shutoff values for 1/2 this price in fall last year. I am very embarrassed. Might be a great company for large projects but would not recommend for small ones like mine.

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    2 months ago

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    Jennifer O.

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    1 year ago

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    Erlinda E.

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    1 year ago

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    Erlinda E.

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    2 years ago

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    Erlinda E.

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    10 months ago

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    Erlinda E.

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    1 year ago

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    Erlinda E.

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    10 months ago

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    Erlinda E.

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    1 year ago

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    Erlinda E.

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    2 years ago

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    Erlinda E.

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    3 years ago

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    Erlinda E.

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    1 year ago

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    Erlinda E.

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    11 months ago

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    Erlinda E.

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    2 years ago

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    Erlinda E.

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    2 years ago

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    Erlinda E.

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    3 years ago

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    Erlinda E.

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    2 years ago

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    Erlinda E.

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    2 years ago

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    Erlinda E.

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    3 years ago

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    4 years ago

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    Theresa H.

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    2 years ago

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    Erlinda E.

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    3 years ago

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    Erlinda E.

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    4 years ago

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    Erlinda E.

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    2 years ago

    Very professional and friendly. Had the work completed in no time. Left the room very clean. I will call for future needs.

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    Erlinda E.

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    3 years ago

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    Erlinda E.

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    2 years ago

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    Erlinda E.

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    3 years ago

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    Erlinda E.

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    2 years ago

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    Erlinda E.

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    2 years ago

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    Erlinda E.

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    3 years ago

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    Erlinda E.

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    3 years ago

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    Erlinda E.

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    2 years ago

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    Erlinda E.

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    3 years ago

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    Erlinda E.

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    4 years ago

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    2 years ago

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    Erlinda E.

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    4 years ago

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    3 years ago

    Very tidy, respectable, knowledgeable and answers all questions professionally in record timing!

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    Erlinda E.

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    3 years ago

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    5 years ago

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    Erlinda E.

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    5 years ago

    This business installed a broken water heater and refused to replace even though it was within the warranty period.

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    Jordan A.

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    3 years ago

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    Page 1 of 2

    Ask the Community - Delaware Plumbing Professionals

    Review Highlights - Delaware Plumbing Professionals

    Anthony discovered a small leak on the gas connector provided me with a fair quote and proceeded to repair.

    Mentioned in 5 reviews

    Read more highlights

    Horizon Services

    Horizon Services

    1.9
    (271 reviews)

    I have been a Horizon customer since 2010. I have had both positive and not so positive…read moreexperiences. We know that they are a little bit on the high side, but we like their work and the warrantees as well. I have a 12 year warranty on our furnace. We came home on Monday from vacation and our house was 89°. The 13 year old Trane AC was not working. I called Horizon and they came out the same day. It was discovered that the capacitor had burned up and needed to be replaced. I was told to replace the capacitor 2 years ago, but it was just rusty. The technician did a great job replacing the compactor and the wires. The cost was 371. May be a little high but we like their work. The initial diagnostic revealed that the numbers were bad and that compressor was bad. The technician left the AC in the off position. I was told because of the compressor errors that I needed a new AC system. That was going to be about nine grand. After he left, I switched it back on just to check. I read online that the system may need to reset ...within 30 minutes the house dropped to 72°. I guess I dodged a bullet or got lucky. Maybe the system will run for one day, a month, or a few more years. The system has been running flawlessly for a week I know I take the chance that when it finally dies the cost to replace it may be higher. I called D / T cooling for a second opinion. The cost was $79. They came out the next day tested my system and could not find any errors or problems. The compressor they said was perfect. I informed Horizon and basically was told they go with the first set of numbers and you need a new system. The sales rep did not accept the diagnostics. I even offered them opportunity to come up and check the system again. Since they stood by there results, I thought it would be great if the price that was offered for the new system would be honored for one year from the date of the diagnosis. I even said It would be great if the second opinion cost was refunded. I am happy with the work that was done to the capacitor and the wires. The tech was professional and courteous, even though the comment ..you should've replaced the capacitor 2 years ago annoyed me lol. SW

    I have 3 examples from two different people that almost got ripped off by this company. Replace a…read morescrew on bath tub spout with diverter - $844 estimate. Repair about 3 inches of 1/2" plastic pipe in outside shower $750. - replace shower faucet - $2,540. I am not kidding. of course, if you don't care about them money use them. CWO Selbyville

    Joseph Frederick & Sons

    Joseph Frederick & Sons

    3.9
    (11 reviews)

    TL;DR: they refused service to long-time clients because we had the audacity to ask for a measly…read more$200 off their HVAC bid. Clients of theirs for years, no complaints. When we needed a new HVAC, we got an estimate from Frederick that was $1000+ over the estimate from another long-time, reputable local company. But out of loyalty to Frederick, we politely asked if they would shave $200 off to come *slightly* closer to this other quote. We actually hate haggling, but had read that you're expected to, for new HVAC. Can't hurt, right? They responded. Had they just said, "No, that's not possible due to XYZ," we would have hired them and paid the full price. But instead the rep explained why it wasn't possible, and then, in a polite but insulted tone, *rescinded their bid*, essentially telling us they would not be doing the job either way. All over a request for $200 off a $7000 job. We were stunned. Needless to say, we haven't called them for anything since, and we're the kind of easy-going, non-complaining customers contractors usually like to have. We got our HVAC at the other place and it's running fine, a few years later. Owner, if you're reading this: I get that you're doing well enough that you don't need to accept anyone's attempt to haggle, and can charge a lot more than the competition. Good for you. I'm purposefully not giving you a 1 star because I don't believe in trying to hurt someone's business. But talk to your guys about not reacting in a personal way to long-time customers. The reaction we got was really uncalled for. Maybe the guy was having a bad day, but you have to leave that behind when you're interacting with a customer, especially an established one. He could have just said "No, we can't do that, but let me know if you want to proceed with us." We would have.

    Our original HVAC company said my Carrier furnace was broken. I called this company to get a second…read moreopinion and they agreed with the first company. Alexis, the very nice salesperson, gave me a quote on three systems, and helpful information to review. We chose Joseph Frederick & Sons because they are a certified Carrier provider and they only install Carrier systems. All of the HVAC professionals were friendly and explained the system well. The cleaned up after themselves.

    Delaware Plumbing Professionals - plumbing - Updated August 2026

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