You already established a terrible precedent by being overly compliant to her misbehavior and have now enabled her for further complaints.

If there is a concern about parking, I'd let them know what they need to do and see if they are willing to work around it to be compliant.  

You should make sure they are operating legally, i.e. biz license, OSHA compliant, etc...

When you buy them you can see if they are ADA compliant.

The one time when a S8 tenant became non-compliant, we just contacted her case manager at the VHA and served the appropriate legal notices to the tenant, with a copy sent to the case manager.

Had some minor re-work.ETA: Probably not useful in CA, but in FL, code-compliant windows (130MPH or Installed with Hurricane Shutter/Fabric provisions) can pay for themselves in insurance costs within a few years. 

The agent is really just checking the condition of the asset and making sure we are compliant with new laws like CO detectors and fire safety.

You many need to make the bathroom ADA compliant with a 5' dia turning area and grab bars. 

To make it S8 compliant, you can contact the local S8 office and they will guide you on wjat you need.

There are a lot of ways to violate those rules when partnering with your 401k (especially if the partnership is due to lacking funds) and not many scenarios that are clearly compliant.