CIV §8304: A design professional is not entitled to a lien under this chapter unless all of the following conditions are satisfied: (a) The work of improvement for which the design professional provided services

A design professional is not entitled to a lien under this chapter unless all of the following conditions are satisfied: (a) The work of improvement for which the design professional provided services has not commenced. (b) The landowner defaults in a payment required under the contract or refuses to pay the demand of the design professional made under the contract. (c) Not less than 10 days before recording a claim of lien, the design professional gives the landowner notice making a demand for payment, and stating that a default has occurred under the contract and the amount of the default. (d) The design professional records a claim of lien. The claim of lien shall include all of the following information: (1) The name of the design professional. (2) The amount of the claim. (3) The current owner of record of the site. (4) A legal description of the site. (5) Identification of the building permit or other governmental approval for the work of improvement.