Exhibit 3.774

CERTIFICATE OF FORMATION

OF

Republic Services of California II, LLC

1. The name of the limited liability company is Republic Services of California II, LLC.

2. The address of its registered office in the State of Delaware is Corporation Trust Center, 1209 Orange Street, in the City of Wilmington, County of New Castle. The name of its registered agent at such address is The Corporation Trust Company.

     IN WITNESS WHEREOF, the undersigned has executed this Certificate of Formation of Republic Services of California II, LLC this Seventh day of October, 1998.

/s/ David A. Barclay  

David A. Barclay, Vice President 

Authorized Person