To obtain a divorce in Virginia, either you or your spouse must be a resident of Virginia for at least six months prior to filing for divorce. This petition will include the reasons you have for seeking an adjustment to your divorce agreement or order, along with evidence that backs up your position.The Civil Division of the Fairfax Circuit Court is located on the third floor of the Fairfax County Courthouse at 4110 Chain Bridge Road in Suite 320. Contact our law firm at 866-368-2617 if you think you need to change your custody or support order. The attorneys at Powell Radomsky are ready to help. In Northern Virginia, modification of spousal support payments are usually done in the circuit court where the divorce was granted. The child support application for services is available on this Web site. Our Fairfax post-divorce action attorneys at Wexell Milman can help you with modifying child custody arrangements, child support obligations, and more. A comprehensive roadmap for those facing custody and visitation cases in Virginia. Covers types of custody and how courts decides custody cases in Virginia.