National Trust for Historic Preservation (NTHP)
1785 Massachusetts Ave. NW
Washington, DC 20036
Phone: 202-588-6000 / Fax: 202-588-6038
NTHP is the leader of the vigorous preservation movement that is saving the best of our past for the future. Activities include
preservation advocacy services to local communities where historic resources are threatened. The Web site includes informative
case studies and local contract information to supplement existing local contacts.
Advisory Council on Historic Preservation (ACHP)
1100 Pennsylvania Ave. NW, Suite 809
Old Post Office Building
Washington, DC 20004
Phone: 202-606-8503 / Fax: 202-606-8672
ACHP promotes the preservation, enhancement, and productive use of our nation's historic resources and advises the president
and Congress on national historic preservation policy.
Appraisal Institute (AI)
550 W Van Buren St., Suite 1000
Chicago, IL 60607
Phone: 312-335-4100 / Fax: 312-335-4400
AI is a worldwide organization dedicated to real estate appraisal education, publications, and advocacy. AI is valuable primarily
as a technical and professional development tool for the project team's on-staff Appraiser.
Building Owners and Managers Association (BOMA) International
1201 New York Ave. NW, Suite 300
Washington, DC 20005
Phone: 202-408-2662 / Fax: 202-371-0181
BOMA provides information to and a network forum for industry professionals. BOMA may be a valuable technical resource for the
PDS contractor in developing specific design directives with the most relevant industry knowledge.