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Ashley & Vance Engineering

Shaping the communities that we call home.

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About the firm

Ashley & Vance Engineering is a people-first civil and structural engineering firm founded in 2005 by Charles Ashley and Truitt Vance in San Luis Obispo, California. With 110+ team members across nine offices in California, Colorado, Nevada, Oregon, and Ohio, it delivers site civil, structural, and forensic engineering services for residential, commercial, mixed-use, education, healthcare, hospitality, and municipal clients throughout the western US. Known for a relaxed, forward-thinking culture, Ashley & Vance emphasizes local expertise and strong client relationships.

Established
2005
Team
Midsize
Firm type
Civil Engineering · Forensic Engineering · Structural Engineering

Capabilities

Structural Engineering

Service website

Building structural design for residential, commercial, mixed-use, education, healthcare, and hospitality projects using a full range of structural systems.

  • Cast-in-Place Concrete
  • Post-Tensioned Concrete
  • Tilt-Up Concrete
  • Precast Concrete
  • Structural Steel (Moment Frames & Braced Frames)
  • Masonry Structures
  • Mass Timber (Glulam, CLT)
  • Composite Structures
  • Seismic Retrofits

Civil Engineering

Service website

Site civil design including grading, drainage, utilities, and public right-of-way improvements.

  • Grading & Drainage Plans
  • Stormwater Management
  • Water Systems
  • Wastewater Systems
  • Low Impact Development (LID)
  • Public Right-of-Way Improvements
  • Environmental Protection Plans
  • Hydraulic Modeling

Forensic Engineering

Service website

Investigation and analysis of building and site defects, failures, and damage for litigation support and remediation planning.

Fire Recovery Engineering

Service website

Structural and civil engineering services for property owners rebuilding after wildfires.

Ordinance 70-25 Compliance

Service website

San Francisco concrete building screening and assessment under Ordinance 70-25.

Industries

Residential · Multifamily Residential · Commercial · Mixed-Use · Education · Healthcare · Hospitality · Food & Beverage · Sports & Recreation · Government · Wastewater · Water Supply

Projects

Columbia Data Center

Commercial & Office

Project details

Structural engineering for a data center facility.