California Code of Civil Procedure > Code Civ. Proc. §337.5. Ten Years: Action upon Bonds; Judgments
Within 10 years:
1. An action upon any bonds or coupons issued by the State of California.
2. An action upon any general obligation bonds or coupons, not secured in whole or in part by a lien on real property, issued by any county, city and county, municipal corporation, district (including school districts), or other political subdivision of the State of California.
3. An action upon a judgment or decree of any court of the United States or of any state within the United States.