If it is not specifically listed for lease, this is often a tough obstacle to overcome, as most owners need the equity to purchase the next home.
You can check out available leases in Grapevine here:
When do you need to move?
What price range do you want to be in?
Direct Link for Keller homes for rent :
Lynn911 Dallas Realtor & Consultant, Loan Officer, Credit Repair Advisor
The Michael Group - Dallas Business Journal Top Ranked Realtors