📚 Historical article. This post reflects the law and County procedures when it was written. Deadlines, the Common Level Ratio and hearing rules have changed, and a new countywide reassessment has been ordered.
Read the current 2027 Tax Appeal Guide →Reassessment Guide →Originally published August 7, 2012. Updated October 2026.
In August 2012, Allegheny County released results from the informal appeals of the new reassessment values. The informal process had concluded on June 1, 2012, and owners were receiving their decisions.
Owners had 30 days to appeal an informal decision by filing a special appeal form with the Office of Property Assessments.
Owners also needed to remember that whenever an appeal is filed, the Board can keep, lower or raise the assessment.
The County was trying to schedule about 1,000 formal hearings a day. As of August 7, 2012, more than 60,000 formal appeals were still waiting to be scheduled.
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