Assessor’s Office

Assessor Katherine N. Deal

 20 South Maple St, Corning NY 14830

(607) 936 8334 ext 3

(607) 937 0779

(607) 936 0210

The 2021 Final Assessment Roll has been posted, please click here to access it.

To Reach the Assessor outside of office hours please call: (607) 425 6522

Town of Corning Assessment Office Hours:

Monday 8:00AM – 1:45PM
Tuesday 7:00AM – 4:30PM
Wednesday 7:00AM – 4:30PM
Thursday 8:00AM – 1:45PM

**Please note that the Assessor is in the office Tuesday’s and Wednesday’s from 7:00AM-4:30PM, however, someone is available to assist you during the above mentioned hours.

  • For more information regarding property assessment please visit:
  • Exemptions for the upcoming tax year are due back to the assessment office no later than March 1st each year.
  • Grievance Day is held the fourth Tuesday in May each year.
  • The final roll is filed on July 1st each year.