Building & Safety


The Building and Safety Division's primary function is to review grading and building plans, issue permits, and perform building inspections on all structures constructed or reconstructed within the City of Twentynine Palms. The Division ensures quality development through implementation of the California Building Codes. The Code provides minimum requirements and standards for the protection of public health, safety, and welfare. The permit process provides for plan review and field inspections to ensure quality development.

The Building Official is available by telephone or personal consultation Monday through Thursday from 7:00 a.m. - 9:00 a.m. and 3:00 p.m. - 5:00 p.m.  (Closed from 1:00 p.m.-2:00 p.m.). You may submit your plans by visiting our office during our hours of operation or you can submit online submittals for plan check or for permits please click HERE.

To contact the Building and Safety Department call 760-367-6799 ext. 1005.

To request inspections please call the City's 24-hour building inspection request line, Permittees requesting building inspections should use this line(760) 361-5140.

Dig Alert

Planning to dig on your property for an upcoming project? Underground Service Alert of Southern California (USA/SC) requests that anyone planning to dig should contact the regional notification center and input their information online at for single address excavations, or dial 811 at least two (2) days before starting work. This will ensure compliance with California Government Code Section 4216.9(a) which states: "No permit to excavate issued by any local agency, as defined in Section 4216, or any state agency, shall be valid unless the applicant has been provided an initial inquiry identification number by a regional notification center...." The goal of the USA/SC is the prevention of loss of life, injury, and/or property damage.

Click Here for free access to the latest adopted editions of the California Building Codes