Record the judgment and obtain possession with the police.
My name is Stephen R. Cohen and have practiced since 1974. I practice in Los Angeles and Orange County, CA. These answers do not create an attorney client relationship. My answers may offend I believe in telling the truth, I use common sense as well as the law. Other state's laws may differ.. There are a lot of really good attorneys on this site, I will do limited appearances which are preparation of court documents it is , less expensive. However generally I believe an attorney is better than none, but many will offer a free consultation and a face to face meeting generally will be better, I like my clients to write a short one page history of the fact and questions they have prior to meeting with them, so nothing is forgotten.
It would depend on what judgment says. Typically, if a tenant stays after the time allowed for in the Stipulation, you can generally apply for a writ of possession to have the Sheriff evict the tenant. If you represented yourself, you may want to hire an attorney to handle the process.