Time to replace front deck and stairs.

[grsthegreat]

You could use steel stud framing….if you can afford it

 

[ultrarunner]

I did decks and fence posts with the old green treated 40 year warranty stuff starting in the 80’s and so far no issues except I can’t buy it anymore through regular channels…

 

[grsthegreat]

New treated lumber is useless. I used a brown colored (as opposed to green) 4x4 without concrete for a mailbox post, and it totally rotted away in a few years.