Two quotes - difference of more than double? (pricey one doesn't even break cement)

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by bucky, Sep 16, 2011.

  1. bucky

    bucky New Member

    Feb 15, 2011
    I know, nobody wants to talk about money on here, but I'm really scratching my head on this one.

    Need a rough in for a basement wet bar, which will be located directly next to current waste stack and supply lines. (First floor bathroom is directly above).

    The first company I had out figured $1700 to run some PEX, break up the floor, and tie in the drain and vent.

    The second company said they didn't need to break up the floor and that they'd just need to snap the stack above ground and attach a wye for the sink and run some PEX, but they wanted $3500.

    They're both reputable companies.

    You'd think that NOT breaking up the floor would cost less not more than double. I don't get it.
  2. Gary Swart

    Gary Swart In the Trades

    Sep 1, 2004
    Yakima WA
    I'd suggest at least one more estimate. Often a contractor will not want a job but will submit a very high estimate figuring that if they do end up with the job, they'll have a very high profit.
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  4. Gary in NJ

    Gary in NJ Member

    Apr 11, 2010
    Agreed, get a third quote. Do not volunteer any details about the technical approach, let the contractor propose what he thinks will work best for this situation.
  5. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona
    Even without breaking the floor, which would be the correct way if it would work, they would still need a vent, and normally, that would involve enough time and materials, to do it correctly, that it would make the $1,700.00 one questionable.
  6. Gary Swart

    Gary Swart In the Trades

    Sep 1, 2004
    Yakima WA
    HJ rightly points out the "on the other hand" to my point about over pricing a job. If one estimate is considerably lower than another, perhaps the low bidder is going to take shortcuts. In either case, another estimate is certainly in order. Say nothing about the first 2, but you might ask how the venting is going to be dealt with.
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