The PIA for someone who became eligible for SSDI in 2013 is the sum (total) of the following: 1  90% of the first $791 of average indexed monthly earnings. 2  32% of the average indexed monthly earnings over $791 through $4,768, and. 3  15% of the average indexed monthly earnings over $4,768.
1 This sort of building, however, would not come in at a simple cost of $85 per square foot due simply to the excessive amount of construction required on the interior. 2  A two-story unit of wooden construction with two condominiums would run roughly $484,500 in total costs.
The average construction cost is much higher than the 2011 cost, which was $184,125, and NAHB notes it is the highest itâs been since 1998. The 2013 construction cost per square foot ($95) also jumped in comparison to 2011, where it was $80 per square foot. sold for $399,532. 2  average share of the homeâs sales price which goes to construction cost was 62% (up from 59% in 2011). 3  second largest share of the sales price, which was the finished lot costs, was 19% (lower than the 2011 share of 22%).