The city has an excel sheet listing each muni’s code.

I have an agent that's recommending a new construction in that zip code.

The 1031 exchange is a federal tax code and is not state specifc so you can exchange in and out of any state and in and out of any real estate investment (no flips or stocks).

You won't find them on zillow or MLS.Direct marketing, driving for dollars, probate, foreclosure, divorce, code violations, dilenquent taxes, owner in jail etc.These are ways to find way below market price deals with little to no competition. 

Then compare that to median sales prices in a given zip code.

I've been running no-pitch meetups since the pandemic where we started online and it takes a lot of vetting and not over-promoting.

Tom Cruz promotes that naive, inexperienced investors should buy Class D rentals and somehow rent them to S8 tenants. - Won't work unless you REALLY know a market and have the proper connections!

This question is most likely best for a lawyer familiar with local regulations and code.

Does PropStream still have code violation lists?

The $56-a-unit process requires landlords to be up-to-date on their property taxes and for the properties to be free of any safety or building-code violations.Since landlords are not legally permitted to collect rent from tenants of a home with an inactive license, the system is designed to serve as a check on property owners, forcing them to address safety violations and pay their taxes.But Philadelphia’s Department of Licenses and Inspections lacks the resources to hunt down property owners who flout those rules, said Karen Guss, a spokesperson for the agency.