Free California ATV Bill of Sale
California regulates ATVs, side-by-sides, dirt bikes, and snowmobiles as "Off-Highway Vehicles" (OHVs) through the CA DMV — not Fish & Wildlife. Every OHV ridden on public land needs an OHV identification (green or red sticker) renewed every two years. The transfer paperwork mirrors a car sale: signed title, REG 135 bill of sale, REG 138 Release of Liability filed within 5 days, and buyer registration within 10 days. The big California-specific catch is the green-vs-red sticker system: vehicles meeting current emissions get a green sticker (year-round riding); non-compliant vehicles get a red sticker and are restricted to seasonal-only use in OHV areas (typically Oct 1–Apr 30 in many parks). That status follows the VIN and dramatically affects resale value.
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California ATV Bill of Sale — What You Need to Know
Sales Tax Details
7.25%–10.75% combined rate applies to ATV/UTV/dirt-bike sales, collected at DMV at registration based on price or market value (whichever higher).
Exemption: Family-member transfers (spouse, parent, child, grandparent, grandchild, sibling, domestic partner) exempt with REG 256.
Inspection Requirements
No smog cert required for OHV-only ATVs. Spark arrestor required for any OHV used on public lands. Green-sticker (model-year compliant) vehicles can ride OHV areas year-round; red-sticker (non-compliant emissions) vehicles are restricted to seasonal riding.
Registration
Registration for this vehicle type is handled by CA DMV — Off-Highway Motor Vehicle Division — not the same agency that handles cars in California. Plan for separate filings.
California ATV Sale — Step-by-Step Checklist
- Complete REG 135 with VIN, engine number, make/model/year, sale price, and date
- Seller signs the Certificate of Title; buyer signs the transfer line
- File REG 138 Release of Liability online at dmv.ca.gov within 5 days
- Confirm green vs. red sticker status — it is encoded by VIN and emissions year
- Buyer transfers title and renews OHV identification at DMV within 10 days ($54 OHV biennial fee)
- Verify spark arrestor is installed (USFS-approved) — required on all public lands
- Disclose any prior crash damage, frame welds, or engine swaps in writing on REG 135
- Use REG 256 for any family-member or gift transfer to claim use-tax exemption
Common Pitfalls
- Buying a "green sticker" ATV that turns out to be red-sticker — limits riding to seasonal months at OHV parks like Hungry Valley and Hollister Hills, cutting resale value by 30%+
- Skipping REG 138 — every OHV citation, trespass fine, or accident on the seller's sticker comes back to the seller
- Riding without a current OHV sticker — base fine $190+ at Hungry Valley, Ocotillo Wells, and similar OHV areas, plus possible vehicle impound
- Missing spark arrestor — federal-land citation runs $250–$500 and rangers do check at trailheads
- Selling a youth ATV without disclosing CPSC age/engine-displacement restrictions — California enforces under-16 supervision rules and parental liability
Pro Tip
Check the sticker color, sign the OHV title, file REG 138 in 5 days, register in 10. California OHV rules punish shortcuts.