A Vanguard joint brokerage account is a taxable investment account owned by two or more people. Vanguard offers joint tenants with rights of survivorship (JTWROS) and tenants in common online, plus community property registration by phone in the states that allow it. Survivorship accounts pass to the surviving owner outside probate, and the ownership split and estate treatment differ by type.
Key takeaways
- Vanguard supports three joint registrations: JTWROS and tenants in common through the online application, and community property (with or without survivorship) by calling Vanguard in a community property state.
- JTWROS is the default for couples: on the death of one owner, the account passes to the survivor automatically, outside probate.
- Tenants in common lets each owner hold a distinct share that flows to their own estate or beneficiaries, not to the co-owner.
- Vanguard reports the account on one owner's Social Security number, so co-owners who do not file jointly must split the income themselves, sometimes using nominee reporting.
- Adding a non-spouse as a joint owner can be a taxable gift. The 2026 annual gift tax exclusion is $19,000 per recipient.
- You cannot simply delete an owner from a joint account. Removing someone means retitling the account, which is its own taxable and legal event.
Vanguard joint account types compared
| Account type | Survivorship | Ownership | Best for |
|---|---|---|---|
| JTWROS (joint tenants with rights of survivorship) | Yes, passes to surviving owner outside probate | Equal, undivided interest for all owners | Married couples and long-term partners who want automatic transfer |
| Tenants in common | No, each share goes to that owner's estate or beneficiaries | Separate, can be unequal shares | Business partners or family members keeping distinct stakes |
| Community property | Available with or without survivorship, by state law | Equal ownership of assets acquired during marriage | Married couples in community property states |
Vanguard's online application exposes JTWROS and tenants in common. Community property registrations are opened by phone with Vanguard's client services, since they only apply to married couples in community property states such as California, Texas, Arizona, Washington, and a handful of others.
How to open a Vanguard joint account
Every owner needs to be a legal adult and a US citizen or resident with a Social Security number or ITIN, plus a US mailing address. Have a government photo ID and a bank account ready to fund the account.
For JTWROS or tenants in common, start at vanguard.com, choose to open an account, select the joint registration, and enter each owner's details before funding. For a community property registration, call Vanguard rather than relying on the online form, since that option is not shown online. Confirm the exact registration on the application, because it drives survivorship and estate outcomes later.
If your goal is investing for a minor rather than co-owning with another adult, a custodial account is the right structure instead. See our guide to a Vanguard custodial account transfer for how those accounts move to the child at the age of majority.
Adding or removing an owner
Vanguard does not let you toggle a co-owner on and off inside an existing registration. To change who owns a joint account, you generally open a new account with the desired registration and move assets into it, or submit account-change paperwork that retitles the holdings. Both routes are a change of ownership, not an edit, and each carries tax and legal consequences you should map out first.
Adding a joint owner is where the gift tax question shows up, covered below. Removing an owner can also be a gift in reverse if the departing owner gives up a share they funded. When a relationship or partnership ends, splitting a joint account cleanly is rarely as simple as deleting a name.
The 1099 and how income is split
Vanguard issues one Form 1099 for the account under the primary owner's Social Security number, reporting all dividends, interest, and capital gains, even if that owner contributed nothing. What happens next depends on the owners.
Married couples filing jointly report everything on one return, so the single 1099 causes no problem. Co-owners who file separately, such as siblings, a parent and adult child, or unmarried partners, each report only their share of the income. When the reported total sits under one person's SSN, that person can use nominee reporting to reallocate the other owner's portion, so each pays tax on what is actually theirs. Income is generally attributed to whoever contributed the funds that produced it.
Gift tax when you add a joint owner
Opening a joint account with anyone other than your spouse can create a gift. Between US citizen spouses the unlimited marital deduction means no gift tax applies. Add a non-spouse, and you may be giving away part of the account.
The 2026 annual gift tax exclusion is $19,000 per recipient. For securities held in a brokerage account, the IRS often treats adding a joint owner who can immediately sell or withdraw their share as a completed gift of that share at the moment you retitle the account, which differs from a bank account, where the gift usually completes only when the non-contributing owner takes money out. If the value you transfer tops the annual exclusion, you file a gift tax return (Form 709). Actual gift tax is rare thanks to the large lifetime exemption, but the filing obligation is real, and the treatment can turn on the exact facts, so confirm with a tax advisor before adding anyone.
Estate and survivorship implications
A JTWROS account is a probate-avoidance tool: the assets move to the surviving owner by operation of law, ahead of anything your will says. That is convenient, and it is also a trap if your estate plan intends those assets to go elsewhere. A joint account can quietly override the distribution you drafted in a will or trust.
Tenants in common works differently. Each owner's share lands in their own estate and passes under their will or beneficiaries. Community property carries its own rules, including a potential full step-up in basis on the first spouse's death in community property states. Because a joint registration can conflict with the rest of your plan, coordinate it with your living wills and trusts and your broader estate planning before you set the registration in stone. For the full lineup of Vanguard account structures, see our Vanguard hub.
Is a joint account right for you
A joint Vanguard account simplifies shared investing and, with JTWROS, hands assets to a survivor without probate. The tradeoffs are real: shared control, exposure to a co-owner's creditors, gift tax exposure with non-spouses, and estate outcomes that can override your will. For married couples it is usually straightforward. For parents adding adult children, unmarried partners, or business partners, treat the registration as an estate and tax decision, not just a convenience, and get advice before you open it.
Frequently asked questions
What types of joint accounts does Vanguard offer?
Vanguard supports three joint registrations: joint tenants with rights of survivorship (JTWROS) and tenants in common through the online application, plus community property registration by phone in states that allow it. JTWROS is the default for couples and passes to the survivor outside probate, while tenants in common lets each owner's share flow to their own estate.
How does a JTWROS account differ from tenants in common at Vanguard?
In a JTWROS account, the assets pass automatically to the surviving owner outside probate on the death of one owner, with equal undivided interest for all owners. Tenants in common instead gives each owner a separate, possibly unequal share that goes to that owner's own estate or beneficiaries, not to the co-owner, which suits business partners or family members keeping distinct stakes.
Can adding a joint owner to a Vanguard account trigger gift tax?
Yes, opening a joint account with anyone other than your spouse can create a gift. The 2026 annual gift tax exclusion is $19,000 per recipient. For securities, the IRS often treats adding a joint owner who can immediately sell their share as a completed gift at the moment you retitle. If the transfer tops the exclusion, you file a gift tax return (Form 709).
How does Vanguard report income on a joint account for taxes?
Vanguard issues one Form 1099 under the primary owner's Social Security number, reporting all dividends, interest, and capital gains even if that owner contributed nothing. Married couples filing jointly report everything on one return. Co-owners who file separately each report only their share, and the primary owner can use nominee reporting to reallocate the other owner's portion.
Can I remove a co-owner from a Vanguard joint account?
No, you cannot simply delete an owner from a joint account. Vanguard does not let you toggle a co-owner on and off inside an existing registration. Removing someone means opening a new account with the desired registration and moving assets, or submitting paperwork to retitle the holdings. Both routes are a change of ownership with tax and legal consequences.