See if you can find an attorney who specializes in estate planning in your area.

Be prepared.

Best course is to have all the appropriate paperwork prepared and ready to send to tenants and vendors as soon as settlement occurs. 

I know high end and low end contractors, as well as those who specialize in kitchens and baths or those who specialize in decks and porches. 

Its MLO job to prepare the file before submit to U/W.

Also CityPlace, and Harvey at Harvey's Property Management He specializes in Section 8. 

You want to talk to your CPA first and foremost you don't want to get in a situation were your deemed a dealer and lose your cap gain tax advantages.that said a take down schedule like this is common in the industry.. although CA usually a million dollar property is not a lot.. vis a vi development ground.. and builder developers there usually stroke a check if needed.I suspect though if your going to sell it in phases.the land would be split into 3 phases and you deed out each phase as he pays if off.. but not individual lots that were your CPA can advise you on dealer status.its common though in these scnerios to have accerlated paymentso you have  3 phases  333k each... you sell first phase for  400k.. second phase for 400k last phase for 200k.. this way you get a premium if he fails to buy the rest of the dirtalso in your contract make SURE you demand that all work product engineering soils geo tech that type of stuff is once paid for your property as well.usually in vanilla real estate transaction on the west coast I don't recommend or see the need for a lawyer but in this case I would find a good real estate lawyer tell him these basic terms and things you need then let him prepare the contract.. hope that helps.. and assuming the dirt is in CA.. of course.

Can anyone suggest a commercial real estate agent contact (specialized in multi-family)?

Any company that specializes in odor removal is going to do pretty much the same and it would not justify the cost over DIY.Best of luck!

Does anybody have any recommendations for realtors in the Albuquerque area who specialize in working with flip investors?