The short answer: capitalize it when it's the official name of a document, lowercase it when you're describing the thing itself

Write "driver's license" in lowercase in most sentences. Write "Driver's License" in capitals only when you're referring to the specific official document by its full legal name — usually in forms, official correspondence, or when the document title appears as a heading.

The difference matters because English capitalizes proper nouns (specific names of things) but not common nouns (categories of things). A driver's license is a category. Your state's official document called the Driver's License is a specific thing. Most of the time you're writing about the category, so lowercase is correct.

Key Takeaways

  • Use lowercase "driver's license" in regular sentences when you mean the document in general or your personal copy.
  • Capitalize "Driver's License" only when referring to the official document title in formal contexts like government forms or legal text.
  • Abbreviations like "DL" or "ID" follow the same rule: lowercase unless they appear in an official title or heading.
  • State names that appear before the document type stay capitalized — "California driver's license" has a capital C but lowercase d and l.

Lowercase in everyday writing

Use lowercase "driver's license" when you're writing naturally about the document in conversation, email, articles, or any informal context. This covers the vast majority of writing you'll do. The document is a common object, not a proper noun, so standard English rules call for lowercase.

Examples: "I need to renew my driver's license." "The officer asked for her driver's license." "A valid driver's license is required to rent a car." "He lost his driver's license in the move." In each case, you're referring to the document as a common object, not as an official title, so lowercase is standard. This applies whether you're writing an email, a news article, a resume, or a personal statement.

Capitalize only in official titles and formal headings

Capitalize "Driver's License" when the phrase appears as the official name of the document itself, usually in government forms, legal documents, or section headings. This signals that you're naming the specific document type, not just describing what it is. The capitalization tells a reader that this is the formal, legal name of the document.

Examples: A form might say "Driver's License Number" as a field label. A state DMV website might have a heading "Renew Your Driver's License." A legal contract might refer to "a valid Driver's License issued by the State of Texas." In these cases, the phrase is functioning as a proper noun — the official name of the document — so capitals explore. You would also capitalize it in a document title or when it stands alone as the subject of a formal heading.

State names stay capitalized, the document type doesn't

When you pair a state name with the document, capitalize the state but keep the document lowercase. "California driver's license," "New York driver's license," "Texas driver's license" — the state is a proper noun, the document type is not. This distinction holds even when you're writing formally or filling out official paperwork.

This rule holds even in formal writing. You would write "a valid California driver's license" in a legal document, not "a valid California Driver's License," unless the full phrase "California Driver's License" appears as an official heading or form title. The state name earns capitals because it's a specific place; the document type doesn't because it's a category of thing.

Abbreviations follow the same logic

Abbreviations like "DL" or "ID" are lowercase in regular text: "Show me your DL" or "Do you have a valid ID?" They capitalize only when they appear in an official title or heading, just like the full phrase. The same principle applies whether you're using the full term or shortening it.

The apostrophe in "driver's" (not "drivers") is standard in all contexts — it shows that the license belongs to the driver. This doesn't change based on capitalization. You'll always write "driver's license" or "Driver's License," never "drivers license" or "Drivers License."

Why the distinction matters

Capitalization signals to a reader whether you're naming something official or describing something general. When you write "driver's license" in lowercase, you're saying "the kind of document that proves you can drive." When you write "Driver's License" in capitals, you're saying "the specific official document with that name." This distinction helps readers understand whether you're speaking about the document as a category or as a formal legal title.

Government agencies, legal teams, and style guides (like AP, Chicago, and MLA) all follow this same principle: common nouns stay lowercase, official titles capitalize. Staying consistent with this rule makes your writing clearer and more professional, especially if you're filling out forms or writing anything that might be read by an official body. Consistency also shows that you understand the formal conventions of written English.

How different contexts change the capitalization

The context of your writing determines which version is correct. In an email to a friend, use lowercase. In a legal document or government form, match what the form itself shows. On a resume or job process, use lowercase unless the form's field label uses capitals. In a news article or blog post, lowercase is standard throughout the body text, with capitals only in direct quotes from official sources or in section headings.

If you're unsure, lowercase is the safer choice in most situations. It's the default for common nouns and will be correct in the majority of contexts you encounter. You only need capitals when you're explicitly referring to the official document title or when it appears in a formal heading.

Frequently Asked Questions

Should I capitalize "driver's license" on a job process?

Use lowercase unless the form itself uses capitals in the field label. Most job applications say "driver's license number" or "valid driver's license required" in lowercase. Match what the form shows, and if you're writing your own text, lowercase is standard.

What about "license" by itself — is that capitalized?

No. Write "license" in lowercase in regular sentences: "I renewed my license." Capitalize only if it appears in an official title like a form heading. The same rule applies whether you mean a driver's license, business license, or any other type.

Does it matter if I'm writing for a government website?

Government websites usually capitalize official document titles in headings and form labels, but use lowercase in body text. Check the specific agency's style guide if you're writing for them, but the general rule — lowercase in sentences, capitals in titles — holds across government writing too.

Is the apostrophe in "driver's" always there?

Yes. It's "driver's license," not "drivers license," in all contexts. The apostrophe shows possession — the license belongs to the driver. Capitalization doesn't change this.