Estimating things like cabinets and countertops, flooring, roofing, etc are really easy to determine the $/Sf, but the real killers are stuff like bringing underground or overhead utilities into the property, the type of foundation and how much excavation is required, and making sure your units have a very efficient layout for framing to minimize material waste and the degree of difficulty for the carpenters and other tradesmen.

Interior was basically stripped to the studs and all new interior with the granite countertops and tile shower. 

Probably have him paint the countertops too with Kilz primer so I can re-paint them too.

Marble countertops, carport, etc. 

Counter tops is a toss up.

@John BoydDepending on the state you live in, Title/recording is done by a title company or attorneys.You should know if there are tenants currently living in the property - What are they paying for rent and are they up-to-date on payments.Find out all the information regarding the condition of the house - What is the condition of the Roof, HVAC system, appliances, countertops.

Are the countertops quartz?

This included new paint, carpeting, appliances, laminate flooring, bathrooms, countertops and other miscellaneous upgrades.After listing the house, we had a full-price cash offer in less than 36hrs.

Consider making minor upgrades like installing new countertops, faucets, or cabinet hardware to give them a modern touch.

It's green with new carpet, windows, granite countertops, cabinets, etc.