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State Department of Assessments and Taxation

Online Services Status

​Current Status

All systems are operational.

System Resets

Please view the scheduled system update chart below. The Annapolis Data Center (ADC) resets our business data systems each day between 4:00 - 6:00 A.M. This may disrupt service on some of our systems for about 10 minutes between those times. Our web servers are reset each day between 5:00 and 7:00 A.M. Eastern Time. There may be occasional, unexpected outages of up to 15 minutes that will not be reflected on this page. Unexpected outages that occur outside normal business hours may not be reflected on this page. Our website service providers are alerted when any part of our site is down, and will work to restore service as soon as possible.

Scheduled outages

There are no scheduled outages.

Regular scheduled system updates

Time ​Scheduled​ SundayMondayTuesdayWednesdayThursdayFridaySaturday
3:00 - 7:00 AMBusiness Data (via ADC) 
6:00 - 10:00 AM​Business (ADC) ​​
​12:00 PM - MidnightHTC 
​5:00 - 6:00 PM​​​Business(MBE)​​​​​
10:00 PM - Midnight​   RPRP RP RPRP

Business services online data unavailable during the hours listed: 

  • Daily from 3:00 AM- 7:00 AM (via ADC).
  • The 1st Sunday of each month 10:00 AM - 2:00 PM (ADC).
  • Maryland Business Express (MBE): unavailable the 2nd Tuesday of each month from 5:00 - 6:00 PM.
    HTC: The Homeowners Application is unavailable on Sunday's from 12:00 PM - Midnight.
    RP: Real Property searching may not be fully available during the updating time frame indicated above.

At all other times online systems are available for normal use.