The only third parties should be your home inspector.Try looking at:The Best Types of Markets for Profitable Turnkey PropertiesandWhat to Ask When Working With a Turnkey ProviderTom Marko ( Norada ) was one of the pioneers of turn key brokerage and assembling multiple out of area providers into one pot.others are  Kathy Fehtke   Jason Hartman  Maverick and then you have a hand full of smaller brokers who specialize in marketing out of state properties for the flippers in each market ..

On June 1st I'll close on a property near Addison and Pulaski in need of several immediate minor renovations, including:Kitchen countertop and sink replacementTile backspash installationSink drain assembly replacementPatching and paintingDoes anyone know of a good contractor they can direct me to?

@KJ Smith, are you talking about estimating software to price jobs or software that can assemble the scope of work for others to price?  

@Monish Lillaney, I'd add resilient channel to the ceiling assembly.

I would also consider using Swedish Framing rather than Western Platform framing (if stick building) or assembling the envelope using SIPs.The small bit of extra you would spend to effectively insulate and air-seal the building envelope will pay itself back in operating costs in relatively short order.The codes in this country should really require new builds to be much closer to (eventually at) a Passivhaus standard (perhaps Net Zero as a compromise).

They need partners who can originate deals, underwrite, assemble decks and manage the investments and eventually the ongoing administration needed in a commercial real estate project.

He should be able to show you why the factory is good or bad while walking the assembly line.  

Updated to include increased quantities per the above.Insulation and drywall kicked off, paint to start after.The flooring/kitchen/bathroom contractor went through to assemble his estimate.

He has a 13,600 SF lot and was interested in assembling his lot with ours to develop something.Again we told him we were for sale at $485/SF which is the most recent comp we have for this area.  

If you have to connect into sewer for instance and the owner next to you is not cooperating it can get very expensive to run alternative piping and a lift station etc. to make the project work.So most developers will get everything agreed in place and terms before they go "hard" with any non-refundable money.Otherwise one wrong thing happens and the project tanks and you lose your earnest money.As a developer you never let a seller hold your earnest money either.Even though by the contract they are obligated to give it back sometimes they already have spent the money or they make you take them to court and chase them to get the money back.This hinders your ability to now pursue other deals as you have money and time chasing people down.This is especially true in land assemblage for multiple parcels where you might have hundreds of thousands of dollars of earnest money on the line with multiple sellers.My experience working with a commercial developer for a few years and going to all the meetings and helping assemble the land.