Grant Mercantile Agency Called You? Here's What to Do Next

By Talk About Debt Team
Reviewed by Ben Jackson
Last Updated: February 16, 2026
11 min read
The Bottom Line

Grant Mercantile Agency is a legitimate debt collector, but they're also the subject of hundreds of consumer complaints. If they've contacted you, start by requesting debt validation in writing within 30 days of their first letter.

File Your Answer

A call or letter from Grant Mercantile Agency usually means one thing: someone says you owe money. The firm, based in Oakhurst, California, collects debts for hospitals, government agencies, and commercial creditors. They've been doing this since 1972, and they're not small-time. The Consumer Financial Protection Bureau (CFPB) database lists over 200 complaints against them in the past three years alone.

Most complaints involve the same pattern: Grant Mercantile reports debts to credit bureaus without proving you owe them, refuses to provide documentation when asked, or tries collecting debts that were already paid or disputed. One consumer told the CFPB that Grant Mercantile reported a balance to all three credit bureaus despite having zero records to back it up. Another said the agency called her workplace repeatedly after she'd requested in writing that they stop.

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File Your Answer Now

You have rights here. More importantly, you have a narrow window to use them. If you received a collection letter from Grant Mercantile Agency in the past 30 days, you can force them to prove the debt exists before they take another step. After 30 days, that leverage disappears.

Who Is Grant Mercantile Agency?

Grant Mercantile Agency operates as a third-party debt collector. That means creditors hire them to collect debts that went unpaid. Their client roster includes medical providers, local governments, and businesses. When your original creditor can't collect, they either sell your account to a debt buyer or hire a collector like Grant Mercantile to chase it on commission.

The firm holds an A+ rating from the Better Business Bureau, but customer reviews tell a different story. Grant Mercantile's BBB profile shows a 1-star average across dozens of reviews. Common themes: aggressive tactics, refusal to provide proof of debt, and reporting incomplete or inaccurate information to Equifax, Experian, and TransUnion.

Here's their contact information if you need it:

  • Phone: 800-477-7530
  • Address: 49099 Road 426, Oakhurst, CA 93644
  • Email: info@grantmercantile.com

Before you call or pay anything, understand what happens next.

Your First Move: Request Debt Validation

The Fair Debt Collection Practices Act (FDCPA) gives you 30 days from the date of their first written notice to request validation of the debt. Validation means proof. Grant Mercantile must show you:

  • The amount they claim you owe
  • The name of the original creditor
  • Documentation that you incurred the debt
  • Proof they have the legal right to collect

Send your request in writing. Certified mail with return receipt costs about $8 and gives you proof they received it. Do not call. Phone conversations don't count as formal validation requests, and collectors are not required to stop collection activity based on a verbal dispute.

Once Grant Mercantile receives your written validation request, they must stop collection efforts until they provide the documentation. They can't call you, report the debt to credit bureaus, or file a lawsuit until they send proof. If they do, they've violated the FDCPA, and you can sue them for up to $1,000 plus attorney fees.

Here's the catch: if you wait more than 30 days, you lose this protection. Grant Mercantile can continue collection efforts while you're still disputing the debt. Send the letter today if you're within the window.

What to Include in Your Validation Letter

Your letter doesn't need to be long. Include these four points:

  1. A statement that you dispute the debt
  2. A request for validation under the FDCPA
  3. A demand that they stop contacting you until they provide proof
  4. Your name, address, and the account number they referenced (if they gave you one)

That's it. Don't explain why you think the debt is wrong. Don't offer to settle. Don't give them information they don't already have. Keep it short and formal.

What Happens After You Request Validation

One of three things will happen:

They send proof. If Grant Mercantile provides documentation showing you owe the debt, you'll need to deal with it. That might mean negotiating a settlement, setting up a payment plan, or (if they've already sued you) responding to the lawsuit. But at least you'll know the debt is real.

They go silent. Many debt collectors can't produce proper documentation, especially if the debt is old or has been sold multiple times. If Grant Mercantile doesn't respond within 30 days, send a follow-up letter. If they still don't respond, file a complaint with the CFPB and your state attorney general. You can also dispute the debt directly with the credit bureaus if it's showing up on your credit report.

They sue you anyway. Some collectors ignore validation requests and file lawsuits. If this happens, do not ignore the lawsuit. You have between 20 and 30 days (depending on your state) to file an Answer with the court. In your Answer, you can assert that Grant Mercantile violated the FDCPA by suing before validating the debt. That's an affirmative defense, and it can get the case dismissed. If you need help filing an Answer, use our bankruptcy screener to see if that's a better path, or work with a consumer rights attorney.

Check Your Credit Report

Pull your credit reports from Equifax, Experian, and TransUnion. You can get free copies at AnnualCreditReport.com. Look for any account from Grant Mercantile Agency. If it's there and you've requested validation that hasn't been provided, you can dispute the entry directly with the credit bureau.

When you dispute, tell the bureau you've requested validation from the collector and haven't received it. The bureau must investigate within 30 days. If Grant Mercantile can't verify the debt to the bureau's satisfaction, the entry gets deleted.

But here's what most people miss: disputing with the credit bureau is separate from requesting validation from the collector. Do both. Disputing with the bureau doesn't stop Grant Mercantile from suing you. Requesting validation does (at least until they provide proof).

Can You Negotiate a Settlement?

If Grant Mercantile sends validation and you do owe the debt, you're not stuck paying 100% of it. Debt collectors buy accounts for pennies on the dollar, and they're often willing to settle for less than the full balance. One study found that 65% of consumers who negotiated with debt collectors settled for less than the original amount.

Start by offering 25% to 30% of the balance as a lump sum. If they reject it, wait a week and offer 40%. If you can't afford a lump sum, propose a payment plan, but know that collectors prefer one-time settlements. They'll push you higher, but you have leverage if they don't have a judgment yet. Once they sue and win, they can garnish your wages or bank account in most states, so settling before a lawsuit is in your interest.

Get any settlement in writing before you pay. The agreement should state the amount, the payment terms, and confirm that paying this amount resolves the debt in full. If Grant Mercantile won't send written confirmation before payment, walk away. Pay nothing without documentation.

What If Grant Mercantile Already Sued You?

If you've been served with a lawsuit, you typically have 20 to 30 days to respond. The exact deadline is printed on the summons. Missing that deadline means Grant Mercantile wins by default, and they can start garnishing your paycheck or freezing your bank account.

Your response is called an Answer. In it, you admit or deny each claim they make, and you can assert defenses. Common defenses include:

  • Statute of limitations: In most states, collectors can't sue over debts older than 3 to 6 years. If the debt is old, they may have no legal standing to sue.
  • Lack of documentation: If Grant Mercantile can't prove you owe the debt or that they have the right to collect, the case gets dismissed.
  • FDCPA violations: If they sued without validating the debt after you requested it, that's a violation.

You can file an Answer yourself or hire an attorney. Many consumer rights lawyers take these cases on contingency, meaning they only get paid if they win or settle. Some will even countersue Grant Mercantile for FDCPA violations and recover your attorney fees from the collector.

If the debt is large and you have other creditors circling, bankruptcy might make more sense than fighting individual lawsuits. Bankruptcy stops all collection activity immediately, including lawsuits, wage garnishments, and bank levies. It's not the right move for everyone, but if you're facing multiple debts you can't pay, it's worth exploring.

Know Your Rights Under the FDCPA

Grant Mercantile Agency must follow federal law when collecting debts. The FDCPA prohibits:

  • Calling before 8 a.m. Or after 9 p.m. In your time zone
  • Contacting you at work if you've told them your employer doesn't allow it
  • Discussing your debt with anyone other than you, your spouse, or your attorney
  • Threatening actions they can't legally take (like arrest or seizing your property without a judgment)
  • Using obscene or abusive language
  • Calling repeatedly with the intent to harass

If Grant Mercantile violates any of these rules, document it. Write down the date, time, and what was said. If they call, ask for the caller's name and employee ID. If they refuse, note that too. These details matter if you decide to file a complaint or sue for FDCPA violations.

You can report violations to the CFPB at consumerfinance.gov/complaint, the Federal Trade Commission at ftc.gov/complaint, and your state attorney general. Filing complaints doesn't directly stop collection activity, but it creates a paper trail and puts pressure on the collector to follow the law.

Should You Just Ignore Grant Mercantile Agency?

Ignoring debt collectors is tempting, but it's rarely the right move. If you don't respond to their initial letter, they'll keep calling. If you don't answer their calls, they'll likely sue. If you ignore the lawsuit, they win by default and can garnish your wages or levy your bank account.

Ignoring also doesn't stop the clock on your credit report. Most negative items stay on your report for seven years from the date of first delinquency. That countdown doesn't reset when Grant Mercantile takes over the account, but it also doesn't stop if you ignore them.

The better play: request validation, dispute the debt if it's not yours, and negotiate if it is. Taking action early gives you control. Ignoring the problem hands control to Grant Mercantile.

When to Consider Bankruptcy

If Grant Mercantile is one of several collectors calling you, or if you're facing lawsuits from multiple creditors, bankruptcy might be your best option. Chapter 7 bankruptcy wipes out most unsecured debts (credit cards, medical bills, personal loans) in about four months. Chapter 13 bankruptcy lets you repay what you can afford over three to five years, then discharges the rest.

Bankruptcy stops collection calls, lawsuits, and wage garnishments the moment you file. It's not free and it does hurt your credit, but if you're already behind on multiple debts, your credit is likely damaged anyway. The question is whether you want to spend the next few years fighting collectors one by one or deal with everything at once through bankruptcy.

Most people assume they can't afford bankruptcy, but the filing fee for Chapter 7 is $338, and many attorneys offer payment plans. If you're behind on rent, medical bills, and credit cards, spending $1,500 on bankruptcy can be cheaper than settling with each creditor individually.

If you're unsure whether bankruptcy makes sense, take our bankruptcy screener to see if you qualify. It takes about two minutes, and it's free.

The Bottom Line

Grant Mercantile Agency is a legitimate debt collector, but they're also the subject of hundreds of consumer complaints. If they've contacted you, start by requesting debt validation in writing within 30 days of their first letter. That forces them to prove the debt before taking further action. If they can't provide proof, dispute the debt with the credit bureaus and file complaints with the CFPB. If they do validate and you owe the money, negotiate a settlement or consider bankruptcy if you're dealing with multiple debts. Whatever you do, don't ignore them. Ignoring debt collectors only makes the problem worse.

Frequently Asked Questions

What is Grant Mercantile Agency?

Grant Mercantile Agency is a California-based debt collection firm that collects debts for hospitals, government agencies, and commercial creditors. They've been in business since 1972 and are the subject of over 200 CFPB complaints in the past three years.

How do I request debt validation from Grant Mercantile Agency?

Send a written letter via certified mail within 30 days of their first notice. State that you dispute the debt and request validation under the FDCPA. Once they receive your letter, they must stop collection efforts until they provide proof you owe the money.

Can Grant Mercantile Agency garnish my wages?

Only if they sue you and win a judgment. If you ignore a lawsuit, they win by default and can garnish your wages or levy your bank account in most states. Respond to any lawsuit within the deadline printed on the summons to avoid this.

What if Grant Mercantile Agency won't validate my debt?

If they don't respond within 30 days, send a follow-up letter. If they still refuse, file complaints with the CFPB and your state attorney general. You can also dispute the debt directly with the credit bureaus if it's on your credit report.

Should I just pay Grant Mercantile Agency to make them go away?

Not until they validate the debt. Paying an unverified debt means you're accepting responsibility for money you may not owe. Request validation first, then negotiate a settlement if the debt is real. Never pay without getting a written settlement agreement.