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Earlier editions: 2026-09

Title 10 — VEHICLES AND TRAFFIC›Chapter 10.16 — STOPPING, STANDING AND PARKING

Diamond Bar Municipal Code Div. 2 Parking Time Limits

Diamond Bar Municipal Code · 2026-10 edition · updated 2026-10-04 · Diamond Bar

Cite as: Diamond Bar Municipal Code Division 2 · Text as of 2026-10-04

Sec. 10.16.110. - Signs limiting parking time authorized in certain circumstances.

Whenever the city council finds that on any portion of the highway or of a private street or of any parking lot maintained or operated for the public by the city there is at any time lack of sufficient space to accommodate the drivers of vehicles and that the time of parking should be limited so that everyone may have his/her fair turn, the city engineer shall erect and maintain adequate signs along such portion of the highway specifying the limitation on the time of parking. No person shall park or leave standing, any vehicle in violation of any such sign.

(Ord. No. 14(1989), § 2(15.64.010), 6-27-89; Ord. No. 05(1999), § 19, 5-18-99)

Exceptions & meaning →

Sec. 10.16.115. - Reserved.

Editor's note— Ord. No. 05(2026), § 2, adopted May 5, 2026, repealed § 10.16.115 entitled "Prohibited parking," which derived from Ord. No. 10(2013), § 1, adopted Nov. 5, 2013.

Exceptions & meaning →

Sec. 10.16.120. - Commercial loading zones.

A driver shall not stop for any purpose other than loading or unloading between the hours of 7:00 a.m. and 6:00 p.m., on any day except Sunday, or at such time as the city council may designate, in any place marked by the city engineer, as provided in this section. Such stop shall not exceed three minutes for a passenger vehicle and shall not exceed 20 minutes for a commercial vehicle in any loading zone so marked by the city engineer in accordance with the Vehicle Code. The city engineer shall so place signs or curb markings if the city council finds traffic conditions are such to make loading feasible. Unless otherwise specified by the city council, such loading zone shall not exceed 30 feet in length.

(Ord. No. 14(1989), § 2(15.64.020), 6-27-89)

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Sec. 10.16.130. - Post office parking restrictions.

The driver of a vehicle shall not park such vehicle for a longer time than ten minutes between the hours of 7:00 a.m. and 6:00 p.m. for a distance of 40 feet adjacent to any post office when there shall be in place appropriate markings or signs so placed by authority of the city engineer in accordance with this title.

(Ord. No. 14(1989), § 2(15.64.030), 6-27-89)

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Sec. 10.16.140. - Depositing mail; restrictions.

A driver shall not stop or park for any purpose other than a stop not to exceed a period of time reasonably necessary for the deposit of mail in an adjacent mailbox at those locations marked by the city engineer pursuant to provisions of the Vehicle Code.

(Ord. No. 14(1989), § 2(15.64.040), 6-27-89)

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Sec. 10.16.150. - Commercial vehicle parking restrictions—Generally.

(a) The following words, terms and phrases, when used in this section, shall have the meanings ascribed to them in this subsection, except where the context clearly indicates a different meaning:

Commercial vehicle means any vehicle which fits the definition of commercial vehicles set forth in Vehicle Code § 260, as amended from time to time, or any successor provision thereof.

Semitrailer means any vehicle which fits the definition of semitrailer set forth in Vehicle Code § 5550, as amended from time to time, or any successor provision thereof.

Trailer means any vehicle which fits the definition of trailer set forth in Vehicle Code § 630, as amended from time to time, or any successor provision thereof.

(b) No person shall stop, park or stand any commercial vehicle for more than one-half hour on any street located within the city in a commercial or industrial zone, except while loading or unloading property, for such time in addition to such one-half-hour period as is necessary to complete such work, or when such vehicle is parked in connection with and in aid of the performance of a service to or on property in the block in which such vehicle is parked for such time in addition to such one-half-hour period as is reasonably necessary to complete such service.

(c) No person shall stop, park or stand any commercial vehicle having a manufacturer's gross vehicle weight rating of 10,000 pounds or more on any street, or portion thereof, located in a residential district within the city, except for such time as is reasonably necessary to make pickups or deliveries of goods, wares, or merchandise from or to any building or structure located on the street or for such time as is reasonably necessary for the purpose of delivering materials to be used in the actual and bona fide repair, alteration, remodeling or construction of any building or structure upon the street for which a building permit has previously been obtained from the city.

(d) No person shall stop, park or stand any trailer or semitrailer on any street, highway or alley located within the city unless such trailer or semitrailer is then attached to a motor vehicle capable of drawing or carrying it upon the public streets and highways.

(e) The prohibitions contained in this section shall not apply to areas designated by resolution of the city council.

(Ord. No. 4(1990), §§ 1, 2, 4-3-90)

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Sec. 10.16.160. - Same—Between 10:00 p.m. and 6:00 a.m.

Whenever the city council finds that the parking of commercial vehicles on certain public streets or alleys is creating a public nuisance or safety hazard, the city engineer shall erect and maintain adequate signs along such public streets and alleys specifying that a person shall not park any commercial vehicle weighing more than 6,000 pounds unladen between the hours of 10:00 p.m. and 6:00 a.m.

(Ord. No. 14(1989), § 2(15.64.055), 6-27-89)

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Sec. 10.16.170. - Provisions applicable to state highways.

The provisions of this division apply to state highways, except that a sign or marking shall not be effective unless and until the finding of the city council is approved by the state department of public works. The city engineer shall remove any sign or marking or parking meter on a state highway within six months after the city receives written notice that the approval of the state department of public works has been withdrawn.

(Ord. No. 14(1989), § 2(15.64.080), 6-27-89)

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Sec. 10.16.180. - Public utility and highway work vehicles; warning devices required.

The restrictions in this chapter, including both this division, all of division 3, except sections 10.16.430—10.16.480 and 10.16.510, and division 4 thereof prohibiting the stopping, standing or parking of vehicles shall not apply to the operator or owner of any service vehicle owned or operated by or for, or operated under contract with a utility or public utility whether privately, municipally or publicly owned, used in the construction, operation, removal or repair of utility property or facilities when such vehicle is stopped, standing or parked at the site of work involving the construction, operation, removal or repair of such utility or public utility property or facilities upon, in, over, under or adjacent to a street or highway, or of a vehicle, whether privately, municipally or publicly owned, engaged in authorized work on the highway; provided that warning devices are displayed as specified in this section:

(1) During daylight such warning devices shall consist of:

a. A warning flag or barricade striping on the front and rear of such vehicle; or

b. A warning flag, sign or barrier on the highway not more than 50 feet in advance of the vehicle and not more than 50 feet to the rear thereof; provided, however, that in zones where the maximum speed limit is in excess of 25 miles per hour such 50-foot distance may be increased up to 500 feet from the vehicle as circumstances may warrant.

(2) During the time from a half hour after sunset to a half hour before sunrise, or at any time when there is not sufficient light to render clearly discernible any person or vehicle on the highway at a distance of 500 feet. Such warning device shall consist of:

a. One or more lights or fusees on the vehicle giving warning to approaching traffic from each direction; or

b. A warning light, flare, fusee or reflector on the highway not more than 50 feet in advance of the vehicle and not more than 50 feet to the rear thereof; provided, however, that in zones where the maximum speed limit is in excess of 25 miles per hour, such 50-foot distance may be increased up to 500 feet from the vehicle where circumstances may warrant.

(3) The provisions of subsections (1) and (2) of this section shall not be deemed to prevent the display of the warning devices specified in subsection a. or b. of each subsection respectively.

(4) During either daylight or the time referred to in subsection (2) of this section, no other warning devices shall be necessary if the vehicle is an authorized emergency vehicle within the provisions of the Vehicle Code and is equipped with a flashing red light visible to approaching traffic from each direction.

(Ord. No. 14(1989), § 2(15.64.090), 6-27-89)

Exceptions & meaning →

Sec. 10.16.190. - Trailers or semitrailers; parking requirements.

(a) No person shall park any trailer or semitrailer upon any highway, street, alley, public way or public place unless the trailer or semitrailer is at all times while so parked attached to a vehicle capable of moving the trailer or semitrailer in a normal manner upon the highway, street, alley, public way or public place, except with a 24-hour parking permit as provided below.

(b) This section shall not apply to trailers or semitrailers which are disabled in such a manner and to such an extent that it is impossible to avoid stopping and temporarily leaving the disabled trailer or semitrailer on that portion of highway, street, alley, public way or public place ordinarily used for vehicular parking.

(c) Notwithstanding subsection (a), a resident or a guest of a resident may, for the purpose of loading and unloading, park an unattached trailer or semitrailer upon any residential street for a period not to exceed 24 hours with a valid and properly displayed permit, in accordance with the following procedures:

(1) In order to obtain a 24-hour parking permit, the resident must submit an application, which shall be prepared by the city engineer or his/her designee. Each application shall be accompanied by a permit fee, which shall be set by resolution of the city council.

(2) The permit must be affixed to the left side of the rear bumper of the vehicle when the vehicle is parked and unattached. There is no limit upon the number of 24-hour parking permits which may be issued to a resident.

(3) Any person issued a permit shall comply with the provisions of this section and the provisions of subsections (b), (c) and (d) of section 10.16.1310 of this Code. Any person in violation of those provisions shall be subject to the permit revocation procedures set forth in section 10.16.1320 of this Code.

(Ord. No. 14(1989), § 2(15.64.100), 6-27-89; Ord. No. 02(1999), § 1, 1-19-99)

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Sec. 10.16.200. - Passenger loading.

(a) An operator shall not park or stop for any purpose other than a stop of not to exceed three minutes to load or unload passengers at any time in any of the following places when there shall be in place appropriate markings or signs so placed by authority of the city engineer in accordance with this title:

(1) For a distance of 30 feet along any curb at the main entrance to any hotel;

(2) At any curb in front of any portion of the main entrance and outside vestibule of any theater during any time such theater is open for public performance; and

(3) In any passenger loading zone so marked by the city engineer.

(b) The city engineer may place curb paint markings at the places specified by subsections (a)(1) and (a)(2) of this section and shall place such markings at those other locations at which the city council finds that traffic conditions are such as to make passenger loading zones feasible.

(Ord. No. 14(1989), § 2(15.64.120), 6-27-89)

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Sec. 10.16.210. - Alleys; parking limits.

A driver shall not park or stop in any alley for any purpose other than the loading or unloading of passengers or materials, or both. Such driver shall not stop for the loading or unloading of passengers for more than three minutes or for the loading or unloading of materials for more than 20 minutes at any time in any alley.

(Ord. No. 14(1989), § 2(15.64.130), 6-27-89)

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Sec. 10.16.215. - Overnight parking in city-owned parking lots.

No person shall stop, stand or park any vehicle on any city-wned parking lot between the hours of 2:00 a.m. and 5:00 a.m. The city engineer shall erect and maintain adequate signs on city-owned parking lots specifying the limitations on the time of parking. Nothing in this section shall apply to government owned vehicles operated by the city, the Los Angeles County Sheriff's Department or any other emergency responders. Those in violation of this section may be issued a parking citation.

(Ord. No. 02(2017), § 1, 4-4-17)

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Sec. 10.16.220. - Temporary restrictions authorized in certain circumstances.

Whenever the city engineer finds that traffic congestion or traffic hazard is likely to result from the operation, stopping, standing or parking of vehicles during the holding of public or private assemblages, gatherings or functions, or during the construction, alteration, repair, sweeping or improvement of any highway, or for other reason, he may place or cause to be placed temporary signs prohibiting the operation, stopping, standing or parking of vehicles during the period such conditions exist and giving notice that the vehicle may be removed, which signs shall be erected at least 24 hours prior to any removal. No person shall operate, park or leave standing any vehicle in violation of any such sign.

(Ord. No. 14(1989), § 2(15.64.140), 6-27-89; Ord. No. 05(1999), § 20, 5-18-99)

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Sec. 10.16.230. - Removal of vehicle parked in temporarily restricted area.

If a driver parks any vehicle contrary to the provisions of section 10.16.220, the sheriff shall move such vehicle to the nearest safe place on the highway.

(Ord. No. 14(1989), § 2(15.64.150), 6-27-89)

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Sec. 10.16.240. - Second removal of illegally parked vehicle.

If the sheriff, pursuant to the provisions of section 10.16.230 or of this section, moves a vehicle to a place where parking is prohibited by section 10.16.220, if and when the presence of such vehicle at such place also prevents or interferes with the construction, alteration or improvement of the highway, he shall move such vehicle again as provided in such section.

(Ord. No. 14(1989), § 2(15.64.160), 6-27-89)

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Sec. 10.16.250. - Violation of division 2 or division 4 provisions; additional…

(a) When a notice of a violation of any provision of division 2 and division 4 of this chapter is attached to a vehicle pursuant to Vehicle Code § 41103 and thereafter the vehicle remains parked in the same place for an additional period of time exceeding the time permitted by division 2 and division 4 of this chapter, such additional parking shall constitute an additional violation of the provisions of this title, except that regardless of the length of time a vehicle is parked during a particular calendar day such parking shall not constitute more than three violations.

(b) Each violation shall be punishable by a fine of $2.00.

(Ord. No. 14(1989), § 2(15.64.170), 6-27-89)

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Secs. 10.16.260—10.16.400. - Reserved.

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