By Samantha Paul In Maryland, a disagreement with a car dealer, a disputed repair bill, and a landlord’s unreturned deposit may all raise consumer concerns. But they should not automatically be filed in the same category. The Attorney General’s Consumer Protection Division offers separate complaint types and an online portal designed to keep the records of a dispute together.
That portal also allows registered users to add documents to an open case and check its status. This guide explains how to use it, when a paper complaint is appropriate, and why filing a complaint does not mean the state will take your private dispute to court.
Who Is the Current Attorney General of Maryland?
As of October 15, 2026, Anthony G. Brown is Maryland’s attorney general. He took office in January 2023 after serving as a member of the U.S. House of Representatives and, earlier, as lieutenant governor of Maryland.
His office represents state interests and enforces laws in areas including consumer protection. Within it, the Consumer Protection Division provides mediation between consumers and businesses; the division is not private counsel for either side.
Maryland Attorney General Contact Numbers
Maryland provides a general office number, a dedicated consumer hotline, and a separate number for health billing and insurance disputes.
Main office: (410) 576-6300 — general Attorney General inquiries.
General toll-free line: 1-888-743-0023 — statewide access to the office.
Consumer Protection hotline: (410) 528-8662 — questions about business complaints and intake.
Health Education and Advocacy hotline: (410) 528-1840 — medical billing and health insurance problems; toll-free 1-877-261-8807.
Spanish-language assistance: (410) 230-1712 — published Spanish assistance line.
Consumer complaint fax: (410) 576-7040 — submission of completed forms and documents.
Consumer division email: consumer@oag.maryland.gov — general Consumer Protection Division contact; the instructions also list mediator@oag.maryland.gov for paper-form submissions.
The official contact directory is https://oag.maryland.gov/i-need-to/Pages/contact-information.aspx. For a new complaint, use the complaint-specific form or portal rather than simply emailing a general inquiry.
Maryland Attorney General Office Address
Main Attorney General office: Office of the Attorney General, 200 St. Paul Place, Baltimore, MD 21202.
Consumer complaint mailing address: Consumer Protection Division, Office of the Attorney General, 200 St. Paul Place, 16th Floor, Baltimore, MD 21202.
The division specifies the 16th floor for mailed complaint forms and supporting records. Other branch offices have distinct access arrangements, so check ahead before attempting an in-person visit.
How to File a Complaint With the Maryland Attorney General
Maryland’s Consumer Protection Division generally mediates disputes involving goods, services, or credit for personal, family, household, or agricultural use. It has a distinct process for healthcare billing.
Step 1: Choose the relevant official complaint type
Read https://oag.maryland.gov/i-need-to/Pages/business-complaints.aspx. Options include general consumer complaints, auto repair, landlord-tenant disputes, new-car warranty or lemon-law claims, and new-home matters. The division says it generally cannot mediate business-to-business disputes, with a limited nonprofit exception, or anonymous complaints.
Step 2: Register in the Maryland complaint portal
Open https://portal.oag.state.md.us/cpdportal/?q=Home. Create an account with an email address and password using Register, then choose Consumer Complaints or the appropriate complaint type. An account lets you view case status and add documents to a still-open matter.
Step 3: Prepare relevant facts and attachments
Have your receipts, contracts, leases, repair orders, sales agreements, emails, and any timeline ready. Name the business and explain what occurred, the amount at issue, what you already asked the business to do, and the result you seek. The portal allows further uploads through My Cases and Add File for an open case.
Step 4: Consider mail, fax, or email if filing online is unsuitable
Download the correct printable complaint form from Maryland’s Business Complaints page. Send the completed form and copies, not originals, to Consumer Protection Division, 200 St. Paul Place, 16th Floor, Baltimore, MD 21202. The office also lists fax (410) 576-7040 and mediator@oag.maryland.gov for the submission route.
Step 5: Understand the disclosure and privacy rules
Maryland says filed complaints are public records, subject to exemptions protecting confidential material such as certain financial or medical information. If the complaint proceeds to mediation, the business ordinarily receives it unless you have clearly identified it as for informational purposes only. Avoid unnecessary sensitive records.
What Happens After You File a Complaint?
The division checks whether it is the right office and may request more information. Suitable cases are assigned to a mediator when one becomes available. The mediator contacts the company and attempts to help both sides negotiate by telephone or correspondence. Cases are addressed in the order received, but timing depends on complexity and caseload.
Mediation does not force a business to cooperate and does not guarantee an outcome. If it fails, Maryland identifies other possible routes, including free binding arbitration if both sides consent or filing in small claims court. The Attorney General’s Office cannot serve as a person’s private attorney or give individualized legal advice.
Frequently Asked Questions
Q. Can I check the progress of my Maryland complaint online?
Yes. After registering and filing through the Consumer Complaints Portal, you can log in to review case status and add documents to an open case using My Cases.
Q. Can someone outside Maryland file a complaint?
Sometimes. The Consumer Protection Division says it may help a person living elsewhere when the dispute involves a transaction that occurred in Maryland.
Q. Will the company be told about the complaint?
Generally yes when the case goes into mediation. Maryland says it sends the business a copy unless the submission is designated for informational purposes only.
Q. Do medical billing complaints use the regular consumer form?
No. Maryland routes health care and medical billing disputes to its Health Education and Advocacy Unit. Call (410) 528-1840 or use the separate healthcare complaint process.