@Roman Balmakov If you are planning on holding the property long term and have enough reserves to cover even worst case scenarios it could still be worth it. 

In smaller towns, this is usually a specific individual within the Planning Department. 

What did their Fraud or Audit department tell you?  

They don't seem to care about their customers and the tax department is the worst.

I used to work in Planning & Zoning. 

I called the zoning department and they are telling me this is a Mixed use building (N zone).

Book a flight from Portland to Orlando rent a hotel and car and go to the planning department and building department in person and get to the folks that were running the permit and discuss paths to completion..

I just got a notice from the MD department of assessments & taxation that the value of my property will increase from 120k to 261k , spread out over 3 years equally.This is a ridiculous increase of 118%.

At a minimum,  you should understand what the current zoning is and what restrictions there are.As the post above mentioned reaching out or going in person to speak with the planning and zoning department will be very helpful. 

Hello all, I am new to the community as well as being the lead in real estate investments.My sister and I currently hold 3 properties next to each other in Riverside County, California (we'd like to get them in an LLC...