Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the use in this Post-Effective Amendment No. 2 to Registration Statement No. 333-203177 of our report dated March 3, 2017 relating to the financial statements and financial statement schedules of Allstate Life Insurance Company of New York, appearing in the Prospectus, which is part of this Registration Statement, and to the reference to us under the heading “Experts” in such Prospectus.

/s/ DELOITTE & TOUCHE LLP

Chicago, Illinois

April 3, 2017