It is such a large market that values can fluctuate wildly, depending on location.I would become familiar with the city, select some areas to concentrate, and learn the values of what has traded past 90-180 days, since there may not be a lot if activity.

On Furnished Finder every listing gets reviewed and verified before it will be live on their website.

Most people know that George Washington began his business career as a surveyor; in fact he was selected as county surveyor at the age of 17.  

I found the local county recorder of deeds website.

John is right about the enemy method, its the only accurate way to estimate revenue.The blanket estimated revenue amounts on analysis websites like AirDNA can be a decent baseline, but generally include too big a pool of properties to give a very precise estimate.The way I use the enemy method: Sign up for a pricing software that has market analysis (I use PriceLabs but most of the pricing softwares have this feature).

I have some additional SEC 8 tools on my website from workshops I have taught. 

I would recommend checking out his YouTube channel and his website: "robbeardsley.me" . 

I thought their might be a website that would have this information already.Also since I recently joined BP I can post in a forum but I can't start a topic. 

It satisfies the basic requires though: We used a long-term lease for our state provided through Avail.co and then we amended it to specifically allow for sub-letting (easy to do with the software/website). 

It's almost always on the forms or on the building dept. website.