Here are 10 options to consider to reach your goal:
Option 1: Call from work or land-line, etc.
Option 2: Email the party responsible for the listing.
Option 3: Send a text message and ask about pets.
Option 4: Send a PM thru a social media site, such as FaceBook, LinkedIn, etc.
Option 5: Drive by the property to see if there are any flyers and to access the neighborhood.
Option 6: Ask a real estate agent to run a search for all rentals that accept pets.
Option 7: Walk into a local real estate office and ask for a printout
Option 8: Look in the Kitty Letter, VC Star, etc for rentals that accept pets.
Option 9: Check Craigslist, HotPads.com etc for even more selection
Option 10: (Best) Extend your cell plan program and Call to confirm each rental to save precious time.
I hope this helps!