$BillOfSale.app

How to Fill Out a Bill of Sale in California

A step-by-step guide to every field on a California vehicle bill of sale — with a free filled-in example you can download instantly.

California is one of the few states whose DMV publishes an official bill of sale — the REG 135 — and its anatomy tells you how to fill it out: one page, eight fields, and deliberately no notary block, because California doesn't notarize vehicle bills of sale. What the state cares about instead is two clocks running at once. The buyer has 10 days to transfer the title; the seller has just 5 days to file the Notice of Transfer and Release of Liability (REG 138) — online in minutes — so parking tickets and toll violations after the sale land on the buyer, not you. Fill the form in the order the DMV reads it: parties, vehicle (year, make, model, color), VIN copied character-by-character from the dashboard plate, odometer, price, date, then both signatures. The price you write feeds the 7.25%-plus-district use tax the buyer pays at registration, so write the real number.

Notarization:Not required
Title deadline:10 days
Sales tax:7.25%
Official form:REG 135
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Vehicle Bill of Sale · California
California Requirements: Transfer title within 10 days. 7.25% sales tax.

Seller Information

Buyer Information

Vehicle Details

Sale Information

Condition & Warranty

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Step-by-Step: Every Field Explained

1

Seller Information

  • Full legal name
  • Current mailing address
  • City, state, ZIP code
  • Phone number (optional but recommended)
Tip: Spell it the way the registration does, not the way friends do — the California DMV checks the transfer against the recorded owner.
2

Buyer Information

  • Full legal name
  • Current mailing address
  • City, state, ZIP code
  • Phone number (optional)
Tip: Put down the exact name the buyer's identification carries — the registration built from this line has to survive an ID check.
3

Vehicle Description

  • Vehicle year (4-digit)
  • Make (manufacturer — e.g., Ford, Toyota)
  • Model (e.g., F-150, Camry)
  • Body style (e.g., sedan, pickup, SUV)
  • Color
  • VIN (Vehicle Identification Number) — 17 characters, found on the dashboard or door jamb
  • Odometer reading at time of sale
Tip: Verify the VIN twice — once against the dashboard plate, once against the title. A single transposed character is enough to bounce the paperwork.
4

Sale Details

  • Sale price in US dollars (write out both numerals and words — e.g., "$8,500 — Eight thousand five hundred dollars")
  • Payment method (cash, check, electronic transfer)
  • Date of sale (month / day / year)
  • Note: buyer owes 7.25% California sales tax on the sale price at registration
Tip: Enter what actually changed hands — the California DMV computes the 7.25% sales tax from it and challenges figures the market contradicts.
5

Seller Signature

  • Seller's signature (must match title)
  • Printed name
  • Date signed
Tip: The signatures alone execute the document in California; notarization adds nothing required. Archive your copy for the long haul.
6

Buyer Signature

  • Buyer's signature
  • Printed name
  • Date signed
Tip: Prepare duplicate originals before signing so neither side leaves with only a promise of a copy.

Get a Pre-Filled California Example

Use the generator above to create a filled-in California bill of sale example in under 60 seconds. All fields are pre-configured for California requirements — notarization not required, CA sales tax at 7.25%, and 10-day transfer deadline noted.

Other Forms Required in California

Along with the bill of sale, you may need these additional documents for a California vehicle transfer:

  • REG 262 (Vehicle/Vessel Transfer and Reassignment Form)
  • REG 138 (Notice of Transfer and Release of Liability)
  • Smog Certificate

Frequently Asked Questions

Should I use REG 135 or write my own bill of sale in California?
Either is valid. REG 135 is the DMV's own form and is never questioned at a field office; a private bill of sale works if it carries the same eight elements. Our generator produces a California-compliant PDF with every REG 135 field covered.
Why is there no notary line on the California bill of sale?
By design — California does not require notarization for vehicle bills of sale. The signatures of buyer and seller are sufficient. The state's protection mechanism is the REG 138 release of liability, not a notary seal.
What is the most important deadline after filling out the form?
For the seller, the 5-day REG 138 filing (dmv.ca.gov, free, online) — it cuts off your liability for the buyer's tickets and tolls. For the buyer, the 10-day title transfer at the DMV.
Does the sale price on the form affect taxes?
Directly: the buyer pays use tax of 7.25% plus district add-ons on the price you write. The DMV cross-checks unusually low figures against market value, so record the true price.

California Bill of Sale Hub

All requirements, tax rates, deadlines, and forms for California.

View California guide →
Official Form

REG 135

Documents the private sale of a vehicle in California. Used with the signed title to transfer ownership; establishes the sale price for local use tax purposes.

REG 135 guide →

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