The Los Angeles County Assessor's Department requires that a Bond Estimate Declaration be filed on all subdivisions prior to recording the final map. This program will help you write a letter that formally requests the money you are owed.This is called a Demand Letter. Bond Control services are processed through the Bureau of Engineering (BOE) portal. Documents to satisfy a bond must be submitted to the Criminal Intake window between the hours of am and pm, and must be presented in person. Name of the person you wish contacted when bond forms are ready for pickup: Name: Phone: Email: Permit No. For Office Use Only. Principal – this is the property owner. Bond must be taken in the name of the property owner(s). Highly-Reputed Bail Bond Agents, Helping People Throughout California Post Their Bail. Call us day or night – we are available 24 hours a day to help you.