My question is regarding whether or not the public can use a hiking trail that is located on a PG&E easement?

If it is a public easment you may use it.

IF a Board of directors and President were never elected to these positions by members/owners, is the board legal?

Are you talking about an HOA Board? How did the board and President take their positions? appointment or elected prior?

A quitclaim deed only give you rights you would have had under another deed.

What does properly served mean?

In litigation, proper service is either personal service or substituted service, meaning leaving the action with an adult over 18 years of age.

Your Realtor needs to help you with an "eviction" of the occupants.

Can I file motion to vacate default judgement, in a UD case POS is a fake.

You will have to file a motion to vacate the default and default judgment in a timely manner with proof that the process server did not serve you....

How can we got this under control???

The sooner you cure the default the better for you and your credit. You will also avoid additonal fees and costs which I am sure you cannot afford.

Does tenant responsible for real estate agent fee whom landlord hired to find a new tenant?

Your questions really depends on whether or not you breached your lease agreement or not. If your lease term ended and you moved, then no you...

IS THERE ANYTHING I CAN MAYBE LEGALLY DO TO STOP THIS MANIAC FROM HARASSING US??

You may want to consider a restraining order against the neighbor.

How soon can plaintiff refile after plaintiff withdrew notice of action of lis pendens

There is no time limit on refiling. The question is why was the notice of action withdrawn in the first place? If it was improperly filed or filed...