I don’t want to give them more info/ammo than necessary.I would tell them to call the police if needed for the fights and that you have checked on the smoking issue and it's been denied. 

I currently have 25 in office staff and 25 remotes.

If you own it, maybe you can talk to city/local office to see if you have any right to restrictions for use if others are creating hazards on it.

I haven’t contacted her yet, but I found her office: https://maps.app.goo.gl/4uKpo9NPrCsE9uuG7?

The guy that suggested a few hundred for this job does repair work at some office.

It can happen but you need to have a seasoned Banker or Loan officer with very lien ant construction underwriters.You will need a solid and very descriptive "LOE" letter of explanation and make sure you’re not trying to build a 2-4 unit or a smaller home versus the current homes GLA/SQFT or it will "Not" get approved.

I'm considering purchasing a commercial office building that has 4 suites. 

go to the county permit office and see who pulled the permit or look at the plans to see who the GC is.

Are your tenants causing you, the neighbors, or the police any problems?

In regards to your last post, can you get a police report showing the activity?