Additionally, there is NO verbiage that states the Landlord cannot impose verbiage in a Lease of a non-pet owner to prevent future pet ownership...

I just smile because it's a cake walk for me.

The only thing you can do to get some ongoing depreciation is to trade into higher basis or just buy additional properties. 

This point of view would require additional research and due diligence to determine what is best you.

Are people driving or walking, if they have to street park high crime is a bigger issue.

I am looking for some ideas as I have around 60k of passive income generated from Investment in Tresuries in addition to my w2 income.

This is assuming there is not a ton of deferred maintanence on the building so definitely have a formal inspection and contractors walk it. 

Additionally, they've agreed to pay $200 more per month than our current tenant, which is an offer that aligns well with our financial objectives, even as we plan to adjust the rent upon renewal for the existing tenants.This MTM arrangement also perfectly aligns with our plans to make improvements to the property.

If you're not finding the bookkeeping process to be a drag, and you're really just looking for efficiency (and possibly some additional level of detail/transparency than what your PM provides?)

These options may provide additional funds to supplement your cash reserves.