At What Point Do You Do Structural Repairs?

A lot of houses I look at have issues with settlement in the foundations and floor slabs.  A lot of times I only recommend cosmetic repairs.  Why is this?  If the house has settled, should you put in piers under your foundations to stabilize it?  Not always, and here’s my rationale:

In many cases I am looking at houses that have been in existence for 20 years or more.  The settlement is often rather minor, and can easily be hidden with simple cosmetic repairs like spackling cracks in the drywall, and filling cracks in exterior mortar.  Let’s say the repairs cost $200.  Usually settlement occurs at its maximum in the first five years or so of the life of the house, from there the settlement never really stops, but proceeds at a much slower rate.  So you would have to do cosmetic repairs on a fairly regular basis – maybe every two years or so.

Generally, it takes at least two foundation piers to repair settlement.  With a budget of about $1,100 a pier, the cost of the repair will be at least $2,200.  How many years will it take for your regular cosmetic repairs to be greater than this cost?  It will take 22 years!  Now with more severe cracking, recent settlement, or if windows and doors are affected, the piers are the best option.  However, in many cases it doesn’t really make economic sense to put out that kind of money.

The other issue is floor slabs.  Often garage slabs are built on soft soil, and they settle over time.  It costs about $6,000 to $8,000 in Atlanta to replace a two car garage floor slab.  If your garage slab has settled about 1/2″ towards the center, and only has minor cracking, do you really want to spend $6,000 to $8,000 for a room that you park your car in and store all your junk?  I wouldn’t.

So, oftentimes I give people the option in my reports – you can do a permanent repair for X amount of dollars and this will happen, or you can cosmetically repair the issue for Y amount of dollars and this other thing will happen.  It often times boils down to economics and personal preferences.


In this case, the cracking is probably due to minor settlement. It would require at least three piers to repair ($3,300), or you could reparge the block every couple of years for the cost of a bag of pre-mixed mortar..

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