Customer Service Promise

Harford County Office will be closed from 1/24 - 1/28/2022, 
due to scheduled building maintenance.

News and Announcements

Online Reassessment Appeal: Use this ONLINE FILING FORM to appeal your assessment notice within 45 days of the notice date. For more information on the assessment process read the online brochure.​ Properties in Maryland are reassessed on a three year rolling cycle; you may view reassessment maps for each county and the local office contact information. ​

All appeals for SDAT's Real Property offices are to be written or conducted as telephone or video conferencing appeal hearings.​

SDAT's 2022 Annual Personal Property Extension Requests window is now open. Please Click Here​​ for more information.

​Click Here to ​Access Potential Domestic Forfeiture List​​

SDAT is pleased to announce that all of our Real Property offices are fully open to the public. Click here to find hours of operation and contact information for your local Real Property office. We are working diligently on exciting upgrades and changes to the customer service area of our State Center location on Preston Street, including a convenient and user-friendly appointment scheduling system. SDAT continues to strongly encourage customers to use its comprehensive online filing system for the following services: Business and Personal Property transactions and Homeowners’, Renters’ and Homestead Tax Credit application filings.

Please be advised that SDAT will continue dropbox service in the lobby of 301 West Preston Street for customers seeking $425 expedited service. Up to three business filings may be submitted per customer/firm/courier Monday through Friday between 7:45am and 10:00am. Documents and payment must be placed in a sealed envelope that clearly identifies a point of contact's name, email, and phone number, and all filings must include payment for the $425 expedited fee in addition to the base filing fee. **Please note that this service is not available for Annual Reports or Personal Property Return assessments. If these procedures are not followed or the filing is rejected, same-day service is not guaranteed.

Acknowledgement letters, certified copies and good standing certificates for approved filings will be placed on the dropbox by 4:30 PM for customer pickup the same day the approved filing is dropped off.

Contact Us

Customers with questions regarding their business, real or personal property assessment, or tax credit are strongly encouraged to contact the Department via email using the contact information below.

Business Services

Real Property Services
  • Email addresses for SDAT's local real property assessment offices can be found here​.

Tax Credit Services
Sign Up for Important Email Notices - All entities must submit an Annual Report and Personal Property Tax Return every year to remain in "good standing" and legally operate in Maryland. Homeowners' and Renters' Tax Credit applications must be submitted every year. Be sure to sign up here to receive general updates from our Department and timely annual reminders to file these important documents!

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