How do I find out if my spouse is hiding assets?
Through discovery: the formal process that compels both spouses to disclose finances under oath, with real consequences for concealment. It is slower than looking yourself, and it is the route that actually produces usable answers.
Both of you are required to disclose fully regardless, and protecting yourself legitimately is about documentation rather than relocation. Concealment is not a clever strategy but a risk, and courts respond badly to it when it surfaces.
The line you should not cross
Before anything else, because this is where people damage their own case.
Do not log into accounts that are not yours. Not their email, not their bank, not their phone. Even with a password you have known for years, even on a shared computer, this can be a crime in its own right, entirely separate from the divorce. It can also make what you find unusable, and it hands your spouse a genuinely damaging story about you at exactly the moment you were trying to tell one about them.
If you believe something exists that you cannot legitimately reach, the answer is to tell your attorney it exists. That is what discovery is for. Separating your digital life covers where your own accounts end and theirs begin.
What you can legitimately gather
Plenty, and most people underuse it.
Joint tax returns are the single most useful document, because they show income sources, interest from accounts, capital gains from sales, and business income. Several years of them reveal accounts nobody mentioned.
Anything addressed to you or jointly held. Joint account statements, joint credit reports, mail arriving at your home.
Your own memory, written down. A list of employers, businesses, accounts, properties, and significant purchases over the marriage. This costs nothing and it is what makes discovery requests specific rather than fishing.
Gathering your documents covers the full list and the order to do it in.
What discovery can actually reach
Sworn financial disclosures, required in every state in some form, signed under penalty of perjury.
Document requests and written questions, answered under oath.
Subpoenas to third parties, meaning banks, employers, and brokerages. This is the tool that reaches records neither of you holds, and the one that gets what a spouse will not hand over.
Depositions, where questions are answered live and on the record.
A forensic accountant, where the numbers are complicated or a business is involved. Expensive, and worth it when the sums justify it. They are trained to spot the patterns: income that drops suddenly the year a divorce starts, expenses that do not match a lifestyle, money moving to relatives.
The signals worth mentioning to your attorney
Income that fell sharply just as things started. A business whose revenue suddenly looks worse. Payments to friends or family described as repaying old loans. New accounts you were never told about. Bonuses or commissions that stopped being mentioned. Sudden secrecy about mail or statements.
None of these prove anything alone. Together they are a reason to look properly.
What happens if concealment is found
It tends to go badly for the person who did it. Courts can award part of the hidden asset, and in the worst cases all of it, to the other spouse, shift attorney fees, and reopen a settlement reached on false information. Do not plan around getting the whole thing. The ordinary outcome is a share of it, and someone expecting more than that turns down settlements they should have taken. Judges also stop believing the rest of that person's testimony, which costs more than the asset did.
That is worth remembering in the other direction too. Being the spouse whose disclosure was complete is worth more than anything concealment could protect.
What discovery tools are available, what disclosure is mandatory, and what sanctions a court can impose for concealment all vary by state. If you genuinely suspect assets are being hidden, that is a conversation for a licensed family-law attorney rather than a search you conduct yourself.