Overall this gives me data on 358 local zip codes that allow me to population trends over 10 years, home price trends over 20 years, and rental information for different configurations.

If you must do it, follow strict code. 

 enter zip code and 'maid service' into google.

The garage apartments in the back are excellent for singles or students because they're smaller and usually a little bit less on the rent cost. if you'd like to look up some examples of those setups here in Houston and you're using the BP insights or other data tools, look up zip code 77004, 77005, and 7700 6.

Great idea - One big problem is local government.In Portland, change of use is near impossible even in zonings that allow you to back fit residential.They write those codes and keep adding to them and really don't like people not following them no matter how good/useful an idea you have.

I checked the zoning codes but really didn't understand it that much.. 

I believe his all-in costs for the reno will be $140,000Below is a zillow appreciation map of the zip code in Columbus.Here are some comps (remember to factor in the appreciation when looking at the closed comps)Follow this link to see the page:https://www.flexmls.com/link.h...This link is valid until 10/29/2020.

Obviously the owners were having some type of issues going on so I decided I was going to make an offer to take the property off their hands and bring it back up to code. 

Ignoring the internal revenue code, the judge-made-law substance-over-form doctrine and sham-transaction doctrine might also stand in your way.But FWIW, you'll only have to "logic" your way out of it if you're examined or audited. 

Adding extra bedrooms in a basement plus converting a garage gives you an up to code triplex so to speak.