Plan checks for development projects where permits have expired for a period of less than one year shall be assessed a fee equal to half of the amount of the applicable plan check fee, as set forth in the resolution establishing said fee, if the plans that are being resubmitted are identical to the prior plans. Said fee shall be paid when the plans are re-submitted for review by the building official.
105.5 Expiration. Every permit issued by the building official under the provisions of the technical codes shall expire by limitation and become null and void, if the building or work authorized by such permit is not completed through final inspection within the allowed time from the date of issuance of such permit, which time shall be as follows: up to 5,000 square feet, 18 months; 5,000 to 10,000 square feet, 24 months; over 10,000 square feet, 30 months. For good cause, upon initial application for a permit, the building official may establish a different expiration date when it is anticipated such date will be necessary to complete construction due to extenuating circumstances. Upon expiration, before work under the permit can be recommenced, a new permit shall be obtained. Such new permit shall be valid for 24 months, and the fee therefore shall be one half the amount required for a new permit for such work, if no changes have been made or will be made in the original plans and specifications for the work and not more than one year has passed since the expiration of the permit; otherwise, such new permit shall be subject to all terms and conditions applicable to new permits.
Any permittee holding an unexpired permit may apply for an extension of the time within which the permittee may complete work under that permit when the permittee is unable to complete the work within the time required by this section although proceeding with due diligence. Application for extension shall be filed on forms prescribed by the building official and be accompanied by payment of the fee as established by city council resolution. The building official may extend the time for completion of work under the permit by the permittee for a period of time not exceeding 180 days upon finding the permittee has been proceeding with due diligence and that circumstances beyond the control of the permittee have prevented action from being completed. No permit shall be so extended more than once.
Notwithstanding the foregoing, for any property where construction has been performed pursuant to one or more unexpired permits for a period of at least four years and is adversely affecting adjacent properties or the owners or occupants thereof, as documented in written complaints submitted to the Building Official or Director of Community Development, the Building Official shall not issue a new building permit for any new work or an extension of an existing unexpired permit until all work being performed pursuant to any unexpired building permit has been completed and the City has issued a final approval or a certificate of occupancy thereof. This provision shall not apply to: 1. emergency work; 2. work that is necessary to preserve the integrity of the structure; or 3. work that, in the opinion of the Building Official, will mitigate impacts to an adjacent property.
https://library.municode.com/CA/Rancho Palos Verdes/CODES/Code_of_Ordinances?nodeId=TIT15BUCO_CH15.18ADCO_15.18.050ADCOAMXPPE