I background check the property they are selling and it is totally in different owner. 

Check their websites for a listing of agents.

If you need multiple spot repairs, you might want to check the cost for a trenchless replacement of the entire sewer line.Another couple things I'd recommend for the future:1.

How can I check if an HOA is in place?

Are they there just in case someone needs them or do they actually check on and interact with the tenants multiple times a day?

I plan on taking to an attorney and double check on this for Washington before I get started just so I don't find myself in hot water.

Check with your provider on this.  

The lesson for us here was to always periodically check up on your property management.

@Vaughn Smith Thank you sir I will check into it .

well instead of checking with folks on the internet why don't you call your state agency that controls lending and ask them what are the rules.. every state is different just because some one is doing it in antoher state makes no matter if its not legal in your state..