Los Angeles County Municipal Code § 507.5 Fire Code

A 3-foot (914 mm) clear space shall be maintained around the circumference of fire hydrants, except as otherwise required or approved. Vehicles parking near fire hydrants must also comply with California Vehicle Code Section 22514.

When required by the fire code official, a fire hydrant and other firefighting water source shall be identified by the installation of a blue raised reflective pavement marker or identified by other approved means.

A private service fire hydrant shall be painted red in color. The valve stem, coupling threads, or portions of the hydrant where the application of paint would violate the listing of the hydrant or hinder its operation shall not be painted.

A private service fire hydrant hose coupling shall be provided with a protective thread cap or plug. Missing or damaged caps or plugs shall be replaced.

Draft hydrants, including those for existing swimming pools and spas constructed or located in a fire hazard severity zone with a capacity of 5,000 gallons (1892.71 L) or more equipped with draft hydrants, shall be identified with a permanent sign. The sign and its location shall be approved by the fire code official.