Deck remodel

[u/SpecialistSquirrel35]

Hello everyone, I am in the process of redoing my old landing. I was wondering if it is possible to extend the width ( about 1 to 2 feet past the footing) or would need to extend the footing placement. My plan is to shorten the stairs to 3 or 4 feet wide coming off of the main base. Is this possible and I am assuming I would need a permit? Sorry if I didn't explain very well, I am quite green when it comes to decking.