Can I apply for a 60 days extension on my Non-O visa based on marriage?

Hello Mike, You have non O , 90 Days or one Year ?

From your post I assume you are now in quarantine having just arrived into Bangkok on a new Non O Married to Thai visa.

You were stamped in for 90 days on arrival into Bangkok.

You will be eligible for a 60 days family visit extension obtained from your local Thai Immigration office.

Visit the immigration office to pick up their requirement list for this extension.

If you are going to seek a one year extension of stay, you need to pick up its list of requirements too.

Timing is important...as 400,000 Thai baht is needed to be in a bank account in your name only for two full months before you make the one year extension application.