I am seeking 1 to 4 door properties (San Antonio)

I am seeking 1 to 4 door properties.
I am seeking Single-Family Houses, Duplex, Triplex or Quad/Fourplexes and/or a portfolio of properties for sale from the owner of record or a wholesaler looking for help in monetization, but no MLS/agent/broker listed properties.
Information I am looking to obtain about these properties: Owner of record or a person having the property under contract.
Property address, city state and zip code and the contact person name and phone number.
I am seeking these types of properties in Bexar County and contiguous counties in Texas.