Any permit fee imposed by a city, including a chartered city, a county, or a city and county, for the placement, installation, repair, or upgrading of telecommunications facilities such as lines, poles, or antennas by a telephone corporation that has obtained all required authorizations to provide telecommunications services from the Public Utilities Commission and the Federal Communications Commission, shall not exceed the reasonable costs of providing the service for which the fee is charged and shall not be levied for general revenue purposes.
Ca. Gov. Code § 50030