Does anyone know of a lender that does financing for new construction if the land is owned by the LLC?

If it's more than 4 units you'll be looking for a commercial lender, not a residential lender.

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

For example we are a lender and foreclose all the time.

If I sold the 4 SFH I could do an 80/20 mortgage with my local lender and break even until I can cycle some units out of long term renters. 

Lenders that specialize in many loan types including conventional, vacation home loans, dscr to name a few.3).

Doing some due diligence on a private lender based in Lubbock, TX. 

Typically when the listing is fully renovated, the seller has to get their money back out to pay the underlying loans whether that is a hard money lender or they need to pull out cash to move on to the next deal.  

If you call a lender that does not have the product you are looking for and you hear No, that should be fuel for you to call 20-30 other lenders until you hear a Yes.

We use them everyday as lenders on the rehab projects we fund.