Not just for the reasons stated herein, but to check for violations of Fair Housing stuff contained in the leases, in addition to ensuring there are no "lease options" or "rent to own" agreements in place - if that contract was signed prior to your purchase contract, a court might say it takes precedence and you have to honor it, including the sales price specified therein! 

The simple line (not mine, but I'm not sure I can mention whose line it is without violating terms of service) that says "By the way, I'm never too busy for your referrals" is so easy to say and to add to the end of your emails.

Try not to get caught up in all the extra drama and stick with the facts and address the violations as your lease outlines.

I feel like at this point the actual tenant is the one in violation and not their "guest" since the "guest" isn't technically on a lease anymore. 

FWIW if there is any area in the East Bay Area where annoying nosy neighbors are MOST likely to report any actual or perceived zoning violations and throw your plans awry, it is without a doubt Piedmont. 

If a city inspector sees it and its a violation of code, they can potentially force you to demo the deck. 

It was challenging since property had major city violations and structural issues.

Other smaller lease violations probably depends on the state or area but for Non payment of rent, evict.

I received a code violation from the city due to my previous contractor’s work, and from their investigation they found expired permits on the property.

He removed it but then when I left for a few days and came back, he had put the cable back out.I woudl like to terminate his lease due to these violations.