If you want to see them listed by Brokers, you can go to Loopnet at http://www.Loopnet.com
If you want Foreclosure REO home listings, whether commercial or residential, you can go to Foreclosure Home Investors at http://www.ForeclosureHomeInvestors.com
If you want to purchase from a Wholesale Investor, you can go to Action Investor Network at http://www.ActionInvestorNetwork.com
If you want to see them listed by Brokers, you can go to Loopnet at http://www.Loopnet.com
If you want Foreclosure REO home listings, whether commercial or residential, you can go to Foreclosure Home Investors at http://www.ForeclosureHomeInvestors.com
Good Luck!