California Code, Code of Civil Procedure - CCP § 483.020

(a) Subject to subdivisions (d) and (e), the amount to be secured by the attachment in an unlawful detainer proceeding is the sum of the following:

(b) In an unlawful detainer proceeding, the plaintiff's application for a right to attach order and a writ of attachment pursuant to this title may include (in addition to the rent due and unpaid as of the date of the filing of the complaint and any additional estimated amount authorized by Section 482.110) an amount equal to the rent for the period from the date the complaint is filed until the estimated date of judgment or such earlier estimated date as possession has been or is likely to be delivered to the plaintiff, such amount to be computed at the rate provided in the lease.

(c) The amount to be secured by the attachment in the unlawful detainer proceeding may, in the discretion of the court, include an additional amount equal to the amount of rent for the period from the date the complaint is filed until the estimated date of judgment or such earlier estimated date as possession has been or is likely to be delivered to the plaintiff, such amount to be computed at the rate provided in the lease.

(d) Except as provided in subdivision (e), the amount to be secured by the attachment as otherwise determined under this section shall be reduced by the amounts described in subdivision (b) of Section 483.015.

(e) Where the plaintiff has received a payment or holds a deposit to secure (1) the payment of rent and the performance of other obligations under the lease or (2) only the performance of other obligations under the lease, the amount of the payment or deposit shall not be subtracted in determining the amount to be secured by the attachment.