QUESTA ENGINEERING CORPORATION
Civil, Environmental, and Water Resources Planning and Design
Questa is a civil, environmental, water resource, engineering, planning, and landscape architecture firm based in the San Francisco Bay Area. Questa specializes in resource-based design, including stream, fish passage, wetlands restoration, habitat enhancement, biotechnical bank stabilization, bicycle and pedestrian pathway planning, and wastewater and stormwater management. With in-house surveyors, engineering geologists, hydrologists, landscape architects, and water resources engineers, we can quickly evaluate project options to develop sustainable design solutions that are realistic, innovative, and cost-effective.
We offer assistance throughout all phases of our projects, from preliminary engineering and environmental investigations, feasibility studies and constraints analyses, concept plan development, CEQA/NEPA environmental analysis, and permitting, through final Plans, Specifications and Cost Estimates (PS&Es), bid assistance, and supervision of implementation and construction.
Questa in the News
Article featuring Principal Norman Hantzsche’s work on Taveuni Island (Fiji Sun)
Article featuring Principal Norman Hantzsche’s work on Taveuni Island (Fiji Times)
Article on our Ojai Valley Trail Bridge Project (Ventura County Star)
Article on our Napa River and Bay Trail Project (American Canyon Eagle)
Grand opening of our Napa River and Bay Trail Project (American Canyon Eagle)
Bay Nature article featuring our planning for Breuner Marsh
“Healing a Stream” video about our Las Virgenes Creek Project
Ribbon Cutting Ceremony for our Mill Valley Steps, Lanes & Paths Project (Mill Valley Patch)
Dedication of our Mill Valley Steps, Lanes & Paths Project (Mill Valley Herald)
Article about our Breuner Marsh Project (Metropolis)
City Council meeting, Copeland Creek Bike Path Reconstruction Project (Rohnert Park Patch)