I suspect because they weight the list price as highly as comparable recent sales. 

Comps that are more than 1 mile away but less than 5 miles away may be considered but will typically not receive the same weighting as comps that are within 1 mile of the subject property

Asking the previous owner isn't useful -- an individual isn't the regulating body and for all you know they sold the house because they got cited for non-compliance (most likely for renting it as 2 unit when it's an SFR).

Something this size will likely land around 50% expense ratio because little expenses have more weight on the NOI.

No body contacted and no body knew about this bill,till the house came in market and the bill found out by first prospective buyer.Now Me as a seller, buyer agreed that this bill will not be paid by seller.Dwsd agreed on phone not in writing that this bill will be paid by tenant.title company wants it to be paid from Seller’s proceeds before settlement.

Take your shirt off, paint your body blue, and become the most dope marketer in your area.

Normally we will establish a "base" amount of kilowatt hours or gallons, and specify a percentage split between the units, weighted based on these factors.

I would seek out the advice of a lawyer on the LLC formation, but personally, I don't put too much weight on the LLCs until you have several properties. 

The five categories and the "weight" each has on your score are as follows: Payment History: 35%credit utilization: 30% Length of credit history: 15%New Credit: 10% Credit Mix: 10% as you can see opening new credit cards would affect your length of credit history (15%) and new credit (10%).

His lawsuit will carry more weight because you didn't follow the law.