Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in this Registration Statement on Form S-1 of Stock Building Supply Holdings, Inc. of our report dated March 3, 2014 relating to the financial statements of Stock Building Supply Holdings, Inc., which appears in such Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

Raleigh, North Carolina

March 3, 2014