California Trailer bill of sale for private sale

California Trailer Private Sale: Full Title Required, CHP VIN Inspection for Homemade

California requires titles for all trailers, regardless of size or weight — there is no minimum GVWR exemption. A 500-pound single-axle utility trailer sold in California must be titled just like a 20,000-pound flatbed. This puts California in sharp contrast to Texas and several other states and means every California trailer private-party transaction involves a DMV title transfer. California Trailer Title Transfer: REG 343 and the Process California trailer titles transfer using Form REG 343 (Application for Title or Registration) or REG 227 (Application for Duplicate or Transfer of Title) at a DMV office. The process is identical to automobile title transfer: the seller signs the back of the existing title, the buyer completes the registration application, and both documents are filed at DMV with the applicable fees and use tax. A Report of Sale (REG 138) must be filed by the seller online or at DMV within 5 days of the sale to protect the seller from liability if the new owner incurs citations or toll violations before re-registering. California Use Tax on Private Trailer Sales California imposes use tax at the combined state and local rate (minimum 7.25%, up to 10.25%) on private-party trailer purchases. The use tax is based on the greater of the purchase price or the fair market value. Unlike some states that have reduced rates for private-party vehicle transfers, California's full rate applies. The buyer pays use tax at time of DMV registration. Smog Exemption for Trailers Trailers — including utility trailers, cargo trailers, and boat trailers — are exempt from California's smog inspection requirement (California Health & Safety Code § 44011). There is no smog certificate required at time of transfer, regardless of trailer age. This makes trailer transfers administratively simpler than passenger vehicle transfers in California. CHP VIN Inspection for Homemade and Pre-1980 Trailers California trailers manufactured before the federal VIN standardization in 1981 may carry a manufacturer's serial number rather than a VIN. Homemade trailers built by individuals have no factory-assigned identifier at all. California requires a California Highway Patrol (CHP) Vehicle Identification Number (VIN) inspection for trailers that lack a proper VIN or have a VIN discrepancy. The buyer or current owner presents the trailer at a CHP area office for inspection — if the VIN is missing or suspected of tampering, CHP assigns a California-specific identification number. The process typically takes 1–3 days and requires proof of current ownership, any receipts for materials used in construction, and the trailer itself for physical inspection. California Trailer Brake Requirements California Vehicle Code § 29004 requires brakes on all wheels of trailers with a GVWR of 1,500 lbs or more when operated on California public roads. This is more stringent than the federal 3,000-pound threshold. Sellers of trailers with a GVWR over 1,500 lbs should document the brake system's condition in the bill of sale and disclose any known brake deficiencies. California does not have a specific requirement for breakaway brakes by statute, but federal DOT standards apply on interstate highways. Step-by-Step California Trailer Transfer Checklist 1. Obtain current California title for the trailer. 2. Seller signs back of title; buyer completes REG 343 or REG 227 at DMV. 3. Seller files REG 138 (Report of Sale) within 5 days online or at DMV. 4. Buyer pays California use tax (7.25%+ base rate) at DMV registration. 5. No smog certificate required — trailers are smog-exempt. 6. If trailer has no VIN or has VIN discrepancy: schedule CHP VIN inspection before transfer. 7. Inspect and document brake system for trailers over 1,500 lbs GVWR.

Source: CA Vehicle Code § 29004; CA Health & Safety Code § 44011; DMV Form REG 343; DMV Form REG 227; DMV Form REG 138