The department of labor statistics says between 2000-2019 housing prices went up 2.38% Nationally.

Find a small local credit union or bank ask for the commercial department.

I will be discussing with the zoning department on Monday.

I'm not sure how the water department's website works where you are.

I would seek legal advice, possibly a formal complaint to the department of real estate and board of realtors and a lesson as to NEVER allow any buyers to have possession of your property prior to close of escrow.

If they intend to leave, it enables us to pre-plan for maintenance and cleaning after they depart.

If you have "an official case with the Fair Housing Commission," then speak to your contact there, call your local city code enforcement and/or landlord/tenant departments and explain what's going on, especially if you're saying your landlord came in without notice or permission and destroyed your kitchen except for fridge, possibly making unit not fit for occupancy, and ask if they have legal aid that can assist you or to direct you there. 

A Transaction Privilege Sales Tax license with the State of Arizona Department of Revenue is required.

Bottom line is fire department came in and sprayed the place and ripped up the living room floor(Can see through the floor), several walls have water damage, ceiling, flooring repair, painting, clean up etc......Police made manager board up the property. 

@Jeff Cliff for a good amount of residential work in the US you are generally not required to have an architect, this varies by jurisdiction so you will just want to check with your local building department to confirm.