EXHIBIT 24

POWER OF ATTORNEY

Each director and/or officer of Dominion Homes, Inc. (the
Corporation) whose signature appears below hereby appoints Douglas G. Borror and William G. Cornely as the undersigneds attorneys, or either of them individually as the undersigneds attorney, to sign, in the
undersigneds name and behalf and in any and all capacities stated below, and to cause to be filed with the Securities and Exchange Commission (the Commission), the Corporations Annual Report on Form 10-K (the Form
10-K) for the fiscal year ended December 31, 2007, and likewise to sign and file with the Commission any and all amendments to the Form 10-K, and the Corporation hereby also appoints such persons as its attorneys-in-fact and each of
them as its attorney-in-fact with like authority to sign and file the Form 10-K and any amendments thereto granting to each such attorney-in-fact full power of substitution and revocation, and hereby ratifying all that any such attorney-in-fact or
the undersigneds substitute may do by virtue hereof.

IN WITNESS WHEREOF, we
have hereunto set our hands this 7thday of March, 2008.



|                                            |  |                                                                                                                            
|------------------------------------------- |  | ---------------------------------------------------------------------------------------------------------------------------
|Signature                                   |  | Title                                                                                                                      
|                                            | 
|/s/ Douglas G. Borror Douglas G. Borror     |  | Chairman and Chief Executive Officer (Principal
Executive Officer)                                                         
|                                            | 
|/s/ William G. Cornely William G. Cornely   |  | Executive Vice PresidentFinance and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)
|                                            | 
|/s/ David S. Borror David S. Borror         |  | Vice Chairman                                                                                                              
|                                            | 
|/s/ David P. Blom David P. Blom             |  | Director                                                                                                                   
|                                            | 
|/s/ R. Andrew Johnson R. Andrew Johnson     |  | Director                                                                                                                   
|                                            | 
|/s/ Robert R. McMaster Robert R. McMaster   |  | Director                                                                                                                   
|                                            | 
|/s/ Betty Montgomery Betty Montgomery       |  | Director                                                                                                                   
|                                            | 
|/s/ Carl A. Nelson, Jr. Carl A. Nelson, Jr. |  | Director                                                                                                                   
|                                            | 
|/s/ Zuheir Sofia Zuheir Sofia               |  | Director