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All HBA, NAHB Member, or programmatic questions and feedback should be directed to:

National Association of Home Builders
1201 15th Street, NW
Washington, DC 2005
800-368-5242 or 202-266-8200 x0
Fax: 202-266-8400
www.nahb.org

All certification & verification inquiries, and technical or website questions should be directed to:

NAHB Research Center
400 Prince George's Boulevard
Upper Marlboro, MD 20774
Fax: 301-430-6180
www.nahbrc.com