The cost is , or was $89.00.
They do name changes every Thursday and it takes two weeks, If you applied on a Wednesday you only have to wait 15 days. Friday and its 20 days. All that is required for public notice is for a copy to be posted in the courthouse, no newspapers necessary. If you want to be sneaky, post it under another notice. Get 5 or 6 originals of the name change decree. SSA wants an original for their records and so do some banks.
Now this applies in Multnomah county. Each county can make up their own rules.
If you are in or close to PDX let me know.
Leigh