Not pressure treated and not attached properly to house. How far will you let this contractor go? It's gotta be changed out to pressure treated wood and you will need lag bolts or Head Loks installed.
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Both ledgers need replacing with pressure treated wood, and they need to be either lagged into the band of the house or use Head Loks instead of relying on nails alone. Which way will your joists be running? From the house or parallel to the door wall?
Depends on how close the last joist is to the right ledger. If adjacent, run Head Loks through it into the original ledger. If there is a space use joist hangers and space it accordingly.
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