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Weapons Charges in Mariposa County: PC § 25400 and the Merced River Canyon Reality

Posted by Bulldog Law | May 08, 2026

The Merced River canyon runs along Highway 140 from the county's lower elevation toward Yosemite. The foothill ranches east of Mariposa town and south through Catheys Valley have been working land for generations cattle, horses, and the practical reality that remote property means a firearm is a tool as much as a tractor or a fence post. For families who have ranched in Mariposa County for decades, carrying a rifle in the truck is not a statement about gun rights. It's just Tuesday.

California's concealed carry law doesn't recognize Tuesday as a legal standard. PC § 25400 prohibits carrying a concealed firearm in a vehicle without a valid California CCW permit. PC § 25850 prohibits carrying a loaded firearm in a vehicle or publicly without one. The law applies uniformly on Bullion Street in Mariposa town and on an unmarked road in Catheys Valley alike. What the law does allow, with full legal protection, is transporting a firearm that is unloaded and stored in a locked container, separate from ammunition, inaccessible from the passenger compartment. That's the protocol. Everything else is potential exposure.

How Mariposa County Weapons Cases Arise

Highway 140 generates the largest share. CHP stops a vehicle for a traffic matter a tail light, a lane change, a registration and observes a firearm during the contact. If the firearm is accessible, loaded, or doesn't meet the locked container requirement, the stop produces a weapons charge alongside whatever the original traffic matter was.

Highway 49 through the western portion of the county through Catheys Valley and into the Bear Valley area produces similar cases from ranch and rural community members whose firearms practice predates California's transport requirements becoming what they are today. Good faith is not a legal defense to PC § 25400, but it's genuinely relevant to disposition negotiations and sentencing when the prosecution can't be challenged on the charge itself.

The Yosemite National Park boundary creates a specific additional layer. Firearms are generally prohibited within Yosemite's boundaries regardless of California state law or any permit. Visitors who carry firearms into the park often unaware of the prohibition face federal enforcement separate from the state weapons charge. This federal dimension requires analysis in every Mariposa County weapons case where proximity to Yosemite is involved.

Out-of-State Visitors on Highway 140

More than four million people visit Yosemite annually. A meaningful number of them come from states with constitutional carry or shall-issue CCW laws Arizona, Nevada, Texas, Utah. Many carry lawfully at home. California does not recognize any out-of-state permit. Highway 140 through Mariposa County is where that legal gap produces criminal charges for people who genuinely believed they were compliant.

The good faith belief in out-of-state permit validity matters for negotiations even though it doesn't create a legal defense. Prosecutors in Mariposa County are familiar with this scenario it's not an unusual fact pattern on a Yosemite approach route. A defendant who was compliant at home, was traveling openly, had no criminal history, and made a genuine legal mistake is in a different position than someone who knew they weren't supposed to be carrying. We present that difference as part of every disposition conversation.

The Lautenberg Intersection

Anyone with a prior qualifying domestic violence conviction felony or misdemeanor is permanently prohibited from possessing firearms under the federal Lautenberg Amendment, 18 U.S.C. § 922(g)(9). In a rural county where hunting is part of the seasonal culture and personal property protection is a practical consideration, this federal prohibition creates exposure that some defendants don't know exists.

We identify the Lautenberg dimension in every Mariposa County weapons case where a prior DV conviction is present. When the federal prohibition applies, what looks like a state PC § 25400 charge has a federal criminal dimension underneath it that requires immediate attention.

The Courthouse

Mariposa County Superior Court

5088 Bullion Street, Mariposa, CA 95338

If You're Facing a Weapons Charge in Mariposa County

  1. Do not discuss the firearm its purpose, how it was stored, or whether you knew about the transport requirement with law enforcement without an attorney present.
  2. Document exactly how the firearm was stored at the time of the stop: container type, whether it was locked, where the ammunition was.
  3. If you have an out-of-state CCW permit, preserve that documentation.
  4. If you have any prior DV conviction anywhere, contact The Bulldog Law about federal Lautenberg exposure before saying anything else.
  5. Call (888) 928-1609.

Mariposa County weapons defense: The Bulldog Law | (888) 928-1609

Two Questions Worth Addressing Directly

I was on my own ranch property. Can I still be charged?

California's transport restrictions apply to firearms in vehicles on public roads. On your own private property, the analysis is different there is no transport restriction for firearms on your own land. The question becomes whether the road where the stop occurred was a public road, whether the firearm was in a vehicle at the time, and whether the ‘transport' element is met by the specific circumstances. We analyze the specific facts of every Mariposa County ranch community weapons case to determine what the prosecution can actually prove.

Does hunting season create any legal protection for carrying a firearm on Highway 140?

No exemption from California's transport requirements. However, lawful hunting transport unloaded firearm in a locked container, separated from ammunition, inaccessible from the passenger compartment is fully legal regardless of whether it's hunting season or not. The hunting context is part of the good faith and disposition analysis when the transport requirement wasn't met, but it doesn't create a legal exception to PC § 25400.

For more on California firearms transport requirements, Lautenberg federal exposure, Yosemite National Park firearms prohibitions, out-of-state CCW visitor defense, and weapons cases at Mariposa County Superior Court, visit Bulldog Law criminal defense blog.

About the Author

Bulldog Law

Bulldog Law is a dedicated criminal defense, personal injury, and cryptocurrency dispute resolution firm with licensed attorneys and experienced support staff across California. Our team of trial attorneys, paralegals, and legal professionals brings decades of combined experience handling complex state and federal matters  including serious felonies, DUI, domestic violence, special education law, employment disputes, and high-stakes crypto fraud recoveries. We pride ourselves on thorough case preparation, aggressive advocacy, and personalized client service. Every blog post is researched and reviewed by members of our legal team to provide practical, up-to-date information for individuals and businesses facing legal challenges. If you need trusted legal representation or have questions about your case, contact Bulldog Law today at (888) 928-1609 for a confidential consultation. Offices throughout California including Glendale, Sacramento, San Francisco, San Diego, and more.

We offer criminal defense, immigration, personal injury and cryptocurrency legal services in both English and Spanish. Call us at (888) 928-1609 for a free consultation.


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