See if its abstract (should be able to see this on lot and block description or survey should have it). 

Try the cbre cap rate survey https://mapping.cbre.com/maps/caprate/app/

The data comes from the most recent American Community Survey.

When surveyed 76% of sellers say they were unhappy with their agent.

In Texas, any commercial building permit requires an asbestos survey, even on a new building.

It may be worth a trip to put boots on the ground and survey the landscape for yourself.

Do all of the analysis you want, the simple fact remains that "In the Federal Reserve’s most recent Survey of Consumer Finances (in 2016), a blockbuster statistic was revealed.

There are some pharmacies as well as (GSA) government sponsored agencies where you can hit 95 to 100% LTV.It has to be a strong area the lender likes,firm term the lender likes,investment grade,etc.It is not however no money down.For the purchase price the loan point is usually 1 percent and with MAI appraisal,site inspection,phase 1,legal fees,survey,etc. the cost to close is a few hundred thousand.These types of properties tend to be "zero cash flow" deals where the buyer is sheltering tax income and taking depreciation.The GSA are not triple net and are usually modified leases where the landlord has certain responsibilities.

They track cap rates across various markets and for different types of properties, but their service requires a subscription.CBRE Cap Rate Survey: CBRE regularly publishes a survey of cap rates across the United States, which can be very informative.

I became an expert though at wells and septic's and surveying.. to this day I can read a quad map aerials and other stuff most folks just stare at.. but now you have google earth its all right there..