So now my holding were a house I purchased for $55,000 with an 11% interest $45,000 loan against it, and a lot I purchased for 18,500, with a $50,000 loan at 7% interest against it.  

You can still get an FHA loan on those if you live in one unit as your primary.

Any lenders that you would recommend for this type of loan?

They buyer then goes to get a loan from the bank, and in the course of due diligence the bank finds out that one of the sellers has a tax lien judgement against them for $320k ( the property is selling for $130k ).

There arn't and lower interest rate FHA loans to assume on multifamily which would put you in todays higher market rates.

Does it depend on the value of the loan, like a $500k deal vs a $1.5m?

Monthly loan is $3500.

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The loan was at 4% so the cash flow was solid, the only issue is we have more money stuck in it than we would like.

Though personally I'd want you to get your financials dialed in if they aren't already.