**Exhibit 12.(a)(1)**

**CERTIFICATION**

I, Gerardo de Nicolás Gutierrez, certify that: 

1. I have reviewed this annual report on Form 20-F/A of Desarrolladora Homex, S.A.B. de C.V.;

2. Based on my knowledge, this report does not contain any untruestatement of a material fact or omit to state a material fact necessary to makethe statements made, in light of the circumstances under which such statementswere made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and otherfinancial information included in this report, fairly present in all materialrespects the financial condition, results of operations and cash flows of thecompany as of, and for, the periods presented in this report;

4. The company’s other certifying officer and I are responsiblefor establishing and maintaining disclosure controls and procedures (as definedin Exchange Act Rules 13a-15(e) and 15d-15(e)) for the company andhave:

a. designed suchdisclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that materialinformation relating to the company, including its consolidated subsidiaries,is made known to us by others within those entities, particularly during theperiod in which this report is being prepared;

b. evaluated theeffectiveness of the company’s disclosure controls and procedures and presentedin this report our conclusions about the effectiveness of the disclosurecontrols and procedures, as of the end of the period covered by this reportbased on such evaluation; and

c. disclosed in thisreport any change in the company’s internal control over financial reportingthat occurred during the period covered by the annual report that hasmaterially affected, or is reasonably likely to materially affect, thecompany’s internal control over financial reporting; and

5. The company’s other certifying officer and I have disclosed,based on our most recent evaluation of internal control over financialreporting, to the company’s auditors and the audit committee of company’s boardof directors (or persons performing the equivalent functions):

a. all significantdeficiencies and material weaknesses in the design or operation of internalcontrols over financial reporting which are reasonably likely to adverselyaffect the company’s ability to record, process, summarize and report financialinformation; and

b. any fraud, whetheror not material, that involves management or other employees who have asignificant role in the company’s internal control over financial reporting.

 
|                          |   |   |   | /s/ Gerardo de Nicolás Gutierrez   |
|--------------------------|--------|--------|--------|----------------------------------------------|
|                     |   |   |   | Name: Gerardo de Nicolás Gutierrez      |
|                     |   |   |   | Title: Chief  Executive Officer              |
|                     |   |   |   |                                         |
|                     |   |   |   |                                         |
| Date: June 28, 2007 |   |   |   |                                         |

 

1

----