There could possibly be specific wording within that prevents assigning the responsibility for main sidewalk clearing. 

I remember the devastating floods in Queensland Australia when the powers that be allowed building permits for homes on 'ancient' flood plains because they were of the opinion that Global Warming would prevent future flooding.KARMA's a b.tch !!

Also, all my LLC’s are taxed like S Corps which prevents the double taxation.

The city has been losing jobs and people for many years and the city has done little to prevent it from deteriorating.

Should I get a CPA to set up my QuickBooks at the beginning in case of audit and to prevent poor bookkeeping.

Was there something going on at the time that prevented you from doing it?  

Do you have Rent control in your area preventing you from raising rents?

My example not only were they chronically late, but I had already forgiven 3 months worth of rent over the 4 years because of various sob stories, while true, didn't prevent him from having top of the line cable, and a new car. 

., a sidewalk) shouldn't create any liability on your part, although you'll want to make sure your insurance will defend you when you get sued (the lawyer's motto is "sue everyone in sight'), but a dog getting onto your property might create liability for failure to take reasonable efforts to prevent the danger.

Things like zoning, required minimum set backs, environmental features, minimum square footage, and many more things can impact or even prevent building what you want.