For ex: if I am moving a property that was built in the 1920's, I will use comps only from remodeled homes between the years of 1920-1940.

This could be an opportunity for you to get some highly skilled help to finish your flip, remodel or other residential project.

What percentage have been torn down and rebuilt, or remodeled?

Changing the roof, remodelling all units and raising rents to market rates.

Micheal I'm not sure if you are still looking but Ive just started in the investing side but have been remodeling for the past 5 years.

I have worked with my current contractor one project and they have also helped with maintenance on a second property. I need better communication (on time lines/ obstacles/ returning my emails) and want options for th...

The only thing I see that I could have a problem with is trying to estimate the time a project should take as I don't have experience in remodeling a home.

In term's of Code Compliance with the City of Chicago; they are actually pretty reasonable, and if you do decide to repair/remodel stairs, they pretty much go with the approach that "Iif it is better than the existing conditions they will likely accept it, Even if it doesn't meet code".In terms of ROI, thats really going to depend on 2 things:1) How much is it going to cost to change/repair the stair2) What is the Estimated value of this change (Which is pretty subjective).I am interested to see other members thoughts on the topic, as I know if it was my house, it would definitely bother me, especially if I had to deal with it on a daily basis; plus, I know it would not be good for older members of my family who come to visit...

So, if you are doing a remodel of say updated kitchen and bathrooms (new cabinets, new countertops, new fixtures), new floors, and fresh paint, none of that requires a permit. 

Hi Corey,  I have not had to have a property rezoned, but for full construction drawings from an architect it has typically taken me several months for a single family residential, full gut remodel with addition.