Civil Engineering

With a long history of successful projects extending throughout Northern and Central California, Siegfried understands the unique needs facing our clients. We work closely with architects, design-build firms, and both private and public entities to produce the most appropriate solutions to any civil engineering challenge. Our approach to civil engineering projects is based on a tightly managed process that includes:

  • Knowledge of and follow through on agency requirements and codes.
  • Open communication from project inception through occupancy.
  • Innovative problem solving and design solutions to achieve client goals.

Whether engineering a single structure or an entire community, Siegfried meticulously addresses the details of each project without losing sight of our clients’ larger vision.

Civil Engineering Services Include:

Public Works

  • Urban Redevelopment
  • Reclamation Districts
  • Underground Infrastructure
  • Pump Stations
  • Parks and Multifunctional Lakes
  • Flood Control Projects
  • Assessment Segregations for Special Districts
  • Engineer’s Reports
  • Peer Review

Hydrology and Hydraulics

  • Water Supply and Distribution
  • Flood Protection
  • Grading and Drainage
  • Storm Water Quality Design
  • Low Impact Design (LID)
  • Hydromodification Design
  • Sewer Collection and Disposal
  • Well Design


  • K-12 Schools
  • Community College
  • Higher Education
  • Private Institutions


  • Streets, Roadways, and Trails
  • Bike Lane Installations
  • Traffic Calming Measures
  • Road Diets
  • Railroad Crossings
  • Safe Routes To School (SRTS)

Commercial and Residential

  • Subdivisions
  • Master Planned Communities
  • Residential Complexes with Recreational Lakes and Golf Courses
  • Office Complexes
  • Industrial Parks
  • Retail Centers
  • Restaurants


  • Fire Stations
  • Correctional Facilities
  • Police Facilities
  • Churches

LEED Sustainable Design

  • Siegfried has had success with 1 Platinum, 2 Silver, 1 Gold, and 2 additional projects seeking LEED certification.