You'd have to find a pretty stupid home owner to agree to let a stranger mail stuff to their address...you know mailing contraband and all that.

Better idea is to find a home for sale without a tenant and claim that as your address and hound the mailbox for the next few days.

I also don't think Nextdoor carss about duplicate accounts. I kept my account from my old neighborhood and created a new one for my current home using another email address. I don't try to hide it... Same name, I address etc.