Stratheon Engineering Stratheon Engineering
Engineers reviewing blueprints on a Denver construction site

Denver, Colorado · Est. 2007

Engineering the structures that shape Colorado.

Stratheon Engineering is a full-service structural and civil engineering firm delivering meticulously detailed design, rigorous analysis, and on-the-ground problem solving for owners, architects, and contractors across the Mountain West.

240+
Projects delivered
18
Years in practice
12
Licensed P.E. on staff
100%
On-time submittals

What we do

Six disciplines. One accountable team.

We integrate structural, civil, and forensic services under one roof so your design intent survives every phase — from concept through close-out.

Structural Engineering

Steel, concrete, masonry, and timber design for commercial, industrial, and residential structures.

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Civil & Site Design

Grading, drainage, utilities, and site planning that turn raw land into shovel-ready development.

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Construction Documents

Stamped plans, specifications, and detailing produced for clarity in the field and value at bid time.

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Code Compliance & Peer Review

IBC, ASCE 7, ACI, AISC and Denver / CO amendments — reviewed line-by-line before submittal.

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BIM & 3D Modeling

Revit and Tekla coordination that catches conflicts months before they become RFIs.

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Forensic Investigations

Damage assessment, load-path analysis and litigation support backed by 20+ years of practice.

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The Stratheon Engineering team collaborating in their Denver office

Who we are

Founded in Denver. Trusted from Boulder to Colorado Springs.

Stratheon was founded in 2007 by Mari F. Decambra, P.E., on a simple promise: deliver engineering that is technically uncompromising and a pleasure to build from. Almost two decades later that promise still drives every set of stamped drawings that leaves our office.

  • Licensed in Colorado, Wyoming, Utah, and New Mexico
  • Members of SEAC, ASCE, and ACEC Colorado
  • BIM Level 2 workflow with Revit, Tekla, and Navisworks
  • Average response time under four business hours
Read our story

Selected work

Projects we are proud of.

All projects →
Cherry Creek Office Tower

Commercial · 12 stories

Cherry Creek Office Tower

Front Range Process Plant

Industrial · MEP / Structural

Front Range Process Plant

South Platte Pedestrian Bridge

Civil · 240 ft span

South Platte Pedestrian Bridge

Pawnee Wind Farm Foundations

Energy · 36 turbines

Pawnee Wind Farm Foundations

What our clients say.

"Stratheon's structural team caught issues during DD that would have cost us six figures in change orders. They earn their fee three times over."

James Holloway
Principal, Holloway Architects

"Calculations are airtight, drawings are clean, and the response time is unmatched. They feel like part of our team."

Maria Sandoval
Project Manager, GH Builders

"Mari and her crew turned a complicated infill site into a permittable design in eight weeks. Pros, all the way."

Daniel Reyes
Owner, Reyes Development

Have a project on the boards?

Send us your scope. We'll send back a fixed-fee proposal within two business days.

Request a Quote
+1 (270) 706-2011 contact@stratheonengineering.com
5045 W 14th Ave, Denver, CO 80204