I've invested in 6 properties and counting with them.

I got the property off-market for $250k from a trusted family friend.

Quote from @Garry Lawrence: I need advice on a serious situation involving a property I’m about to buy.

I definitely wouldn't sign a purchase agreement before seeing the property.

New and in Oswego with one investment property. 

Figure out how to actually analyze property and practice.

Virtually everyone lives somewhere especially true for those that pay taxes (in CA property and income tax).  

On a 320k property Ill be paying 9k annually. 

You’d probably end up with a bigger after tax gain if you sold the 2nd property for any amount of money and did that.

The city wants to tear the property and surrounding properties down Zillow said it’s worth 38000The city offer me 13000.I could use some adviceHard to give advice with limited information, but as a general rule, the longer you wait and the further down the line their project is the more valuable your property will be to them.Zillow (and all automatic online) estimates are very unreliable, so don't base on that.