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Question DetailsAsked on 7/27/2013

how much should internal french drains with sump pump cost

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That depends on how big your basement is, how much water the drains are handling, etc. Ballpark number - about $20-25/perimeter lineal foot if bare dirt floor (or slab not down yet), about $50-60/LF if slab is in place. Measure lineal footage as total distance around all four sides of the basement - so a 20x30=100 LF, a 40x60=200 LF, and so forth.

Here is an Angie's List article on the subject -

Be sure to get a sump pump with high water/power loss battery powered alarm, and consider if you want battery backup operation with automatic charger for times when the power is out, though a battery will only last 4-10 hours in many cases, so does not help in a major outage unless you have a generator to recharge it.

Answered 6 years ago by LCD

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