1) Running out of pages on my Passport but enough to renew my NON-O

2) NON-O due in early June

3) Going back to home country for a few months in July

 

Question: Should I get a new passport first then get a NON-O or the other way around?

1) Get new passport now

2) transfer current visa to new passport

3) Don't need to carry old passport and new passport when returning to Thailand

4) don't forget re-entry permit before leaving Thailand

You have 4 months.

Get a new pp. 

You don't mention your country of origin in your post. But for most UK and for USA passports you can see Key Visa right in front of Big C on South Pattaya Road. My friends have used them before. Cost was about $12,000 and they did it all correctly and got fast service. Google search for their phone number.

Thank you everyone for your prompt replies!