ALTMANN OLIVER ASSOCIATES, LLC (AOA) was founded in 2000 by partners John Altmann, Ecologist and Simone Oliver, Landscape Architect. We provide a full range of environmental planning and landscape architectural services to the greater Pacific Northwest area. Our services involve feasibility analysis, site planning, construction permitting, design, construction review and performance monitoring associated with commercial and residential projects.

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Postal Address:
PO Box 578
Carnation, WA 98014


General Information:
Simone Oliver:
John Altmann:


Phone: 425-333-4535