B2 visa duration: what the paperwork says

A B2 visitor visa itself does not set how long you stay. The visa is just permission to enter the United States. Once you arrive, a U.S. Customs and Border Protection officer stamps your passport with an I-94 arrival/departure record, and that stamp shows your actual stay limit—usually written as "D/S" (duration of status) or a specific date.

Most B2 visitors receive permission to stay for six months from their arrival date. Some receive less—three months, one month, or even a few days—depending on what the officer decides at the port of entry. The officer has discretion, and they base it on what you told them about your trip, how long you said you needed, and what documents you showed them.

The date on your I-94 is what matters for your legal stay, not the expiration date on your visa itself. You can stay until that I-94 date passes. After that date, you are out of status if you remain in the country.

Key Takeaways

  • Your B2 visa stamp lets you enter the U.S., but the I-94 arrival record that CBP gives you at the border sets how long you can actually stay—usually six months.
  • The CBP officer at the port of entry decides your stay length based on your stated purpose and how long you said you needed, so what you tell them matters.
  • If you want to stay longer than your I-94 allows, you must request an extension before your current stay expires, not after.
  • Staying past your I-94 date makes you out of status and can affect future visa applications and re-entry to the U.S.
  • Working, studying, or doing anything other than tourism and visiting family on a B2 visa violates the terms of your stay.

What happens at the border when you arrive

When you land at a U.S. airport or cross at a land border, a CBP officer interviews you briefly. They ask why you are coming, how long you plan to stay, where you will be, and whether you have ties to your home country. Based on your answers and what they see in your documents, they decide how many months or days to give you.

The officer writes this decision on your I-94 form or in the system (for most air and sea arrivals, it is digital now). You get a paper I-94 at land borders. The date they write is your important date. You must leave by that date or file for an extension before it arrives.

If you told the officer you were visiting for two weeks but your documents suggested you might stay longer, they might give you less time than the standard six months. If you have a return ticket, a hotel reservation, and a letter from your employer saying you have a job waiting, they are more likely to trust your stated timeline.

Extending your stay if you need more time

You can request an extension of your B2 stay by filing Form I-539, process to Extend/Change Nonimmigrant Status, with U.S. Citizenship and Immigration Services (USCIS). You must file this form before your current I-94 date expires. Filing after that date means you are already out of status, and USCIS will likely deny your request.

The form costs a filing fee (currently $535, though this can change). You will need to show a reason for the extension—a family emergency, medical treatment, or a delayed return flight, for example. You will also need to show that you still have ties to your home country and that you are not working or studying in the U.S.

USCIS typically takes two to four months to decide on an extension request. While your case is pending, you are allowed to stay in the U.S. even if your I-94 date has passed, as long as you filed before the important date. However, you cannot work during this time, and if USCIS denies your request, you must leave when ready.

What counts as overstaying and why it matters

If your I-94 date passes and you are still in the U.S., you are overstaying your visa. Even one day over counts. This is a violation of U.S. immigration law, and it creates a record that follows you.

Overstaying for more than 180 days (six months) triggers an automatic three-year bar on re-entry to the U.S. Overstaying for more than one year triggers a ten-year bar. These bars mean you cannot get a new visa or enter the country again until the bar period ends, even if you have a valid reason to return.

Overstaying also makes future visa applications much harder. When you explore for any U.S. visa again—whether B2, H-1B, or an immigrant visa—the consulate will see the overstay record. They may deny your process or require you to explain why you violated the terms of your previous stay.

Activities that are not allowed on a B2 visa

A B2 visa is for tourism, visiting family, attending conferences, or receiving medical treatment. You cannot work for pay, even part-time or remotely. You cannot study for a degree or certificate program. You cannot start a business or engage in any paid activity.

If you want to work, you need a work visa like an H-1B or L-1. If you want to study, you need an F-1 student visa. Doing any of these things on a B2 visa violates your status, can result in deportation, and will make you ineligible for future visas.

Some activities fall into a gray area. Attending a short unpaid conference, giving a single lecture without payment, or doing volunteer work for a nonprofit may be permitted, but the rules vary. If you are unsure whether something is allowed, contact a U.S. immigration attorney or your nearest U.S. embassy or consulate before you do it.

Leaving the U.S. and returning later

If you leave the U.S. before your I-94 date expires, your status ends when you depart. If you want to return, you will need a valid B2 visa in your passport and will go through the entry process again. A new CBP officer will interview you and issue a new I-94 with a new stay limit.

Leaving and returning does not reset any overstay record. If you overstayed in the past, that record is permanent and will affect your ability to return. Even if you left voluntarily after overstaying, the bar period still applies.

If your B2 visa has expired but you are still within your I-94 stay period, you can leave and return as long as your visa is still valid. However, if your visa has expired and you leave, you will need to explore for a new visa at a U.S. embassy or consulate before you can return.

Planning your trip to avoid problems

Before you travel, check your passport expiration date. Your passport must be valid for the entire duration of your stay. Some countries require your passport to be valid for at least six months beyond your travel dates, though the U.S. does not have this rule for B2 visitors.

Bring documents that show your ties to your home country: a job letter, property ownership, family relationships, or bank statements. These help the CBP officer believe you will leave when your stay ends. Bring a return ticket or a clear plan for when you will leave.

If you think you might need to stay longer than six months, tell the CBP officer at the border. Explain your situation honestly. If they give you less time than you hoped, you can still file for an extension later, but it is easier if they understand your needs from the start.

Frequently Asked Questions

Can I work remotely for my home country employer while on a B2 visa?

No. Working for any employer, even one outside the U.S., while physically in the U.S. on a B2 visa violates your status. You cannot be paid for work performed in the U.S., regardless of where your employer is located or where you are paid from.

What if I lose my I-94 or passport while I am in the U.S.?

Contact your country's embassy or consulate to replace your passport. For the I-94, contact USCIS or visit the CBP website to request a copy of your arrival record. Your I-94 date does not change if you lose the document—the date is recorded in the system.

Can I change my B2 visa to a student visa (F-1) while I am in the U.S.?

Yes, you can file Form I-539 to change your status from B2 to F-1 before your B2 stay expires. However, you must be accepted to a school first and have proof of financial support. The school will issue an I-20 form, which you will need for the status change process.

What happens if I am still in the U.S. when my I-94 expires but I have filed for an extension?

You are allowed to remain in the U.S. while USCIS reviews your extension request, as long as you filed before your I-94 date passed. You cannot work during this time. If USCIS approves your extension, you receive a new I-94 date. If they deny it, you must leave when ready.

Do I need to leave the U.S. on the exact date on my I-94, or do I have a grace period?

You must leave by the date on your I-94. There is no grace period. If your flight is on that date, you should leave early enough to reach the airport and depart before midnight. Staying even one day past the date puts you out of status.