Skip to content

Earlier editions: 2026-09

Title 10 — PUBLIC PEACE, MORALS AND WELFARE›Chapter 10.32 — WEAPONS

San Jose Municipal Code Part 7 Privately Manufactured Firearms, Unfinished Frames and Receivers

San Jose Municipal Code · 2026-10 edition · updated 2026-10-04 · San Jose

Cite as: San Jose Municipal Code Part 7 · Text as of 2026-10-04

10.32.260 - Purpose and intent.

The purpose of this law is to protect public safety, reduce gun violence, and make the City safer from Privately Manufactured Firearms, and their precursor parts or kits.

(Ord. 30769.)

Exceptions & meaning →

10.32.270 - Definitions.

The following definitions shall apply only for the purposes of this Chapter.

"Antique Firearm" has the meaning ascribed to it in 18 U.S.C. § 921(a)(16).

"Assemble" means to fit together component parts.

"Federal Firearms Importer or Manufacturer" means a person licensed to import or manufacture firearms pursuant to 18 U.S.C. Chapter 44.

"Manufacture" means fabricate, make, form, produce, or construct by manual labor or machinery.

"Manufacture a firearm" means to fabricate or construct a firearm, or to fit together the component parts of a firearm to construct a firearm.

"Privately Manufactured Firearm" means any finished firearm that is assembled from (1) unfinished frames or receivers or (2) printed from a 3-dimensional ("3-D") printer.

"Precursor Parts Vendor" means a person or entity holding a precursor parts vendor license issued under California Penal Code Sections 30400 et seq.

"Unfinished Frame or Receiver" means a piece of any material that does not constitute the finished frame or receiver of a firearm, rifle, or shotgun but that has been shaped or formed in any way to become the frame or receiver of a firearm, rifle, or shotgun, and

(1) which may readily be made into a functional frame or receiver through milling, drilling, or other means; or

(2) is marketed or sold to the public to become or be used as the frame or receiver of a functional firearm once completed, assembled or converted.

(Ord. 30769.)

Exceptions & meaning →

10.32.280 - Prohibitions on unfinished receivers and frames.

Prohibition. It shall be unlawful for any person to possess, sell, offer to sell, transfer, purchase, transport, receive, or Manufacture an Unfinished Frame or Receiver, unless either (1) the person possessing, transporting, or receiving the Unfinished Frame or Receiver is a Federal Firearms Importer or Manufacturer, or (2) the Unfinished Frame or Receiver is either required by federal law to be and has been imprinted with a serial number issued by a Federal Firearms Importer or Manufacturer, or has been engraved or permanently affixed with a serial number provided by the California Department of Justice.

Exemptions. The foregoing prohibition shall not apply to or affect any of the following:

(1) An employee or sworn peace officer of a local, state, or federal law enforcement agency, if the individual is acting in connection with official duties; or

(2) A person who is on the centralized list of exempted federal firearms licensees maintained by the California Department of Justice pursuant to California Penal Code Sections 28450, et seq.; or

(3) A person whose licensed premises are outside the City and who is licensed as a dealer or collector of firearms pursuant to Chapter 44 (commencing with Section 921) of Title 18 of the United States Code and the regulations issued under that Chapter; or

(4) A common carrier licensed under state law, or a motor carrier, air carrier, or carrier affiliated with an air carrier through common controlling interest that is subject to United States Code Title 49, or an authorized agent of any such carrier, when acting in the course and scope of duties incident to the receipt, processing, transportation, or delivery of property; or

(5) Possession, purchase, transport, or receipt of an Unfinished Frame or Receiver by a Precursor Parts Vendor; or

(6) Sale or transfer of an Unfinished Frame or Receiver processed through a Precursor Parts Vendor pursuant to Penal Code Section 30400, et seq., provided that the Precursor Parts Vendor ensures that prior to the purchaser or transferee taking possession of the Unfinished Frame or Receiver, the purchaser or transferee obtains a serial number from the California Department of Justice pursuant to California Penal Code Sections 29180 and 29182, the serial number is permanently affixed to the Unfinished Frame or Receiver, and the California Department of Justice is provided sufficient information to identify the purchaser or transferee pursuant to those Penal Code sections; or

(7) Possession of an Unfinished Frame or Receiver by the person who obtained it through a transaction processed by a Precursor Parts Vendor in compliance with subsection 6 above.

(Ord. 30769.)

Exceptions & meaning →

10.32.290 - Prohibition on privately manufactured firearms.

Prohibition. It shall be unlawful for any person to possess, sell, offer to sell, transfer, purchase, transport, receive, or Manufacture a Privately Manufactured Firearm that does not conform to state and federal law, unless either (1) the person possessing, transporting, or receiving the Unfinished Frame or Receiver is a Federal Firearms Importer or Manufacturer, or (2) the Unfinished Frame or Receiver is either required by federal law to be and has been imprinted with a serial number issued by a Federal Firearms Importer or Manufacturer, or has been engraved or permanently affixed with a serial number provided by the California Department of Justice.

Exemptions. The foregoing prohibition shall not apply to or affect any of the following:

(1) An employee or sworn peace officer of a local, state, or federal law enforcement agency, if the individual is acting in connection with official duties; or

(2) A person who is on the centralized list of exempted federal firearms licensees maintained by the California Department of Justice pursuant to California Penal Code Sections 28450, et seq.; or

(3) A person whose licensed premises are outside the City and who is licensed as a dealer or collector of firearms pursuant to Chapter 44 (commencing with Section 921) of Title 18 of the United States Code and the regulations issued under that Chapter; or

(4) A common carrier licensed under state law, or a motor carrier, air carrier, or carrier affiliated with an air carrier through common controlling interest that is subject to United States Code Title 49, or an authorized agent of any such carrier, when acting in the course and scope of duties incident to the receipt, processing, transportation, or delivery of property; or

(5) Possession, purchase, transport, or receipt of an Unfinished Frame or Receiver by a Precursor Parts Vendor; or

(6) Sale or transfer of an Unfinished Frame or Receiver processed through a Precursor Parts Vendor pursuant to Penal Code Section 30400, et seq., provided that the Precursor Parts Vendor ensures that prior to the purchaser or transferee taking possession of the Unfinished Frame or Receiver, the purchaser or transferee obtains a serial number from the California Department of Justice pursuant to California Penal Code Sections 29180 and 29182, the serial number is permanently affixed to the Unfinished Frame or Receiver, and the California Department of Justice is provided sufficient information to identify the purchaser or transferee pursuant to those Penal Code sections ; or

(7) Possession of an Unfinished Frame or Receiver by the person who obtained it through a transaction processed by a Precursor Parts Vendor in compliance with subsection 6 above.

(Ord. 30769.)

Exceptions & meaning →

10.32.300 - Prohibition on manufacturing non-serialized firearms.

Prohibition. It shall be unlawful for any person to Manufacture, cause to be Manufactured, Assemble, or cause to be Assembled, a firearm that has not been imprinted with a serial number issued by a Federal Firearms Importer or Manufacturer in accordance with federal law or engraved or permanently affixed with a serial number provided by the California Department of Justice.

Exemptions. The foregoing prohibition shall not apply to or affect any of the following:

(1) A firearm that has been rendered permanently inoperable; or

(2) An Antique Firearm; or

(3) A firearm that has been determined to be a collector's item pursuant to 26 U.S.C. Chapter 53 or a curio or relic pursuant to 18 U.S.C. Chapter 44; or

(4) An employee or sworn peace officer of a local, state, or federal law enforcement agency, if the individual is acting in connection with official duties; or

(5) The Manufacture or Assembly of a firearm with a frame or receiver processed through a Precursor Parts Vendor pursuant to Penal Code Sections 30400, et seq., provided that the Precursor Parts Vendor ensures that prior to the purchaser or transferee taking possession of the Unfinished Frame or Receiver, the purchaser or transferee obtains a serial number from the California Department of Justice pursuant to California Penal Code Section Sections 29180 and 29182, the serial number is permanently affixed to the Unfinished Frame or Receiver, and the Department of Justice is provided sufficient information to identify the purchaser or transferee pursuant to those Penal Code sections.

(Ord. 30769.)

Exceptions & meaning →

Get a plain-English answer with a citation back to this text.

Ask AI about this code
▸Contents — San Jose Municipal Code

GoCodebook provides public access, search, citation, multilingual explanation, and practical interpretation of legally adopted building regulations. It is not a substitute for the official ICC or California code publications.