Basement construction costs

mfowler423June 18, 2012

I am wondering if people could share their construction costs associated witn an unfinished basement. I know this will vary but I am just curious before getting into the building process of how much adding a basement will run. Again I know this cost will vary but need to have something in mind. Our basment area will be about 1100 square feet unfinished - walkout

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Around here (Upstate SC) we were told to estimate around $50/sq ft for our planned unfinished walk-out.

    Bookmark   June 18, 2012 at 12:10PM
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We are doing a partial basement in Califoria where it isn't typical. The price we were given was to put the 20x20 space in the basement it would increase our cost by $11,000, whereas putting it above grade would be $26,000.

    Bookmark   June 18, 2012 at 12:59PM
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Upstate SC here too. Basement is walkout around 1,800 sq ft, we spent about $20,000 more on the poured walls and framing. Probably $7,000 on windows and doors. And a couple hundred dollars on insulating the ceiling.

    Bookmark   June 18, 2012 at 2:11PM
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We are buying this time but we just got the appraisal back, the appraiser included building costs to replace based on 3 local contractors prices. Ours was quoted at about $50 sq ft.

    Bookmark   June 18, 2012 at 4:17PM
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NC - was more like $25 a sqft.

But, you also have to say what is the comparison. If the lot "wants" a walkout and you do a tall crawl instead, the "cost" will be much less.

I think our total basement costs were less than $50k for 2000 sqft with poured 10 ft ceilings and open web floor trusses for ductwork. Now that didn't count the siding on the back wall or the extra brick on the sides. But tall crawl would have had those costs anyway.

    Bookmark   June 18, 2012 at 8:22PM
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