Determine the most likely sales price of the build (factor in the cost of the land also) and include all selling costs to arrive at your net profit and ROI. 

@Charles Kao I believe he means attorney & Title Services that are familiar with non traditional or creative Transfers or Sales of property that don't include Banks.

I'm also a licensed mortgage broker with a lot of fix-and-flip programs, including some that require as little as 10% down on the purchase price, and provide 100% of the rehab funding.

With this scenario we both have skin in the game: His work and my materials.

This would include adding another bedroom and making it a full 2 bath.

Or the listing agent includes it in the property info on their website, or shares it when a showing is scheduled.

We don't allow any "deal-making" in the forums, which includes advertising your services or properties, looking for partners, etc.

This list isn’t exhaustive but includes most of the best ways to find quality firms to partner with.Conferences.

Quote from @Chris Seveney: @Francisco AvancenaThere are specific lenders who will do land dealsBut of course not as many as traditional real estate.The key will be skin in the game - typically for land because it is less liquid than a home the lender will want to have a lower ltv on the deal I fund land flippers currently in  CO FLA WA ID MT NV AZ OR TX SC GA VA  one thing about land though LTV is lower and RATES are NOT the same as typical HML rates are higher for raw land but its a specialty niche and a business that I grew up in..

Key updates included kitchen and bathroom remodels, new flooring, and enhancing curb appeal.