I don't know if it works in PA or Philly but I fight my taxes every year here in Texas and I usually get quite a bit knocked off. 9 appeals so far and we have lowered assessments by $243,940.

After assessing the property’s potential, we negotiated a favorable purchase price of $21,000, ensuring room for profitable renovations and a solid return on investment.

There are also nonzero probabilities of having special assessments for a medium-term horizon. 

Both electrical and water meters will need to be assessed by the city via city permitting.

@Gavin Sorensen, like Henry noted, this is impossible to assess.  

@Mann Phan When you went to buy you should have done an analysis of a few things; market for property value basis and market in general - rental market and viability of that - CAP-X, to assess exactly where everything in the structure is at, how much life left, and formulate what impactors are potential to come and how soon. 

For example, they'd pull 4 of 5 payments for a borrower from the same account and then blamed the borrower for not checking to make sure the payment was pulled before a late fee was assessed.

All the way to smaller things like if it has a drive way or not even though you provided in person videos and pictures of the property for their assessment (never mind the actual listing for it or what shows in their own system).

Assess first if you really need asset protection, before you get yourself into complicated and expensive structures. 2.

Assessing the seller's professionalism and sophistication is critical in deciding the level of detail required in this procedure.