If you have changed both your home and business mailing addresses, submit Form 109-B along with Form 109-I.
Note: this form will only change/update your physical address and mailing address in our system.
Addresses: enter OLD address information in the first section; enter NEW address in the second section.
P.O. Box: only enter P.O. Box information if your post office does not deliver mail to your street address.
Special characters: do not use “#” signs or other special characters, except the dash in the “ZIP code” field when a 9-digit (+4) ZIP is used.
Ink: print using blue or black ink.
| Question | Answer |
|---|---|
| Form Name | Form 109-B |
| Form Length | 2 pages |
| Fillable? | Yes |
| Fillable fields | 41 |
| Avg. time to fill out | 7 min |
| Edition | 03/26 |
| Where to send | Comptroller of Maryland, Revenue Administration Division, Taxpayer Identification, PO Box 549, Annapolis MD 21404 |
| Who signs | Owner, Partner or Officer |
| Matches the agency's file | Yes, checked October 1, 2026 |
| Other names | 109-B, 109B, Form 109-B, Maryland 109-B, 109 B, Maryland Change of Address for Businesses |
| Official source | Form 109-B (Rev 03/26), Comptroller of Maryland |
Form 109 B isn’t the one you’re looking for?