Look at the permit history- Some county code enforcement and permitting departments display a history of permitted work that can be easily accessible online.

@Lee Mast -  Small local banks, with commerical lending departments. 

So far, Oregon is leading the country in upzoning, so the first step is to contact Newberg's planning department and see when they will be adopting the new state laws.

Research your local traffic laws and/or reach out to your local police department or sheriff's office to make sure you cover your basis.

The property is in the process of rehab after renter thrashed the house & departed after a protracted illness.

He then went on about all of his future plans and how fire department/ town enforcement and landlord will do nothing.

Is there a specific department that covers this subject?

I'm not saying my study was entirely scientific.Mostly I'm hoping someone will reply to this thread with some actual experience in this department, or someone who has looked into it thoroughly and decided whether or not to proceed.

She has a good job as an officer with the Rochester police department.

I would suggest you call or visit a county sales record department and/or the local Chamber of Commerce or a growth related #1 association that is local (like a local appraisal company).Best wishes!