I am not sure where to post this question, this is my first time on the BiggerPockets Forum. I am currently a resident in LA county however I own a rental property in Burien, WA. It is a duplex totaling 4 bds and 2.5 ...

There’s a big advantage to naming 3 or less replacement properties in regards to 1031 rules.

This is assuming you haven't already done this during college (summer job or working part time)I would go where I can get a job in a commercial real estate firm. 

You haven't provided us with any information that would help us help you.My recommendation: do not sell a property unless you have a plan to invest it in another property that will perform better, or if selling will move you closer to your goals.If you don't have a firm plan, hold onto it until you do.

I'm not sure if this is a local thing or if it's common in all markets.

In a few of the states there is either a form. you must sign or an application that your escrow closer must file in order to exempt from any state taxes or withholdings that might normally be collected at sale . 

I am looking to buy a condo or apartment in nyc five borough area or any neighbouring counties( Long Island, Westchester).

The excitement then went through the roof and the owner wanted to do three or four at the same time and the next thing you know the whole ship went down in bankrupt.Just something to think about. 

The reality is the opposite - if it's not in writing then the PMC doesn't have to provide the service or can charge extra for it!

I believe up to close to 40% down with a 720 or greater credit score on a conventional loan product could give you the best interest rate.