Foundation design and concrete slab

Recent Project - Residential Garage with RV bay

Structural wall framing

Roof truss installation

Roof and wall sheathing

Our Services

At Sellars Consultant Engineering, we provide Montana PE-stamped engineering solutions for architects, home builders, and developers across Missoula and Western Montana. Led by a licensed Professional Engineer, we focus on practical, code-compliant designs that move projects forward efficiently.

Our services include:

  • Plan redlining and review

  • Full sets of structural plans

  • Site survey and layout

  • Concrete foundation design

  • Custom home structural plans

  • Contract administration

  • ADA-compliant features and ramps

We design to current IBC 2021, IRC, and Missoula building codes, helping ensure your project meets local requirements and streamlines the approval process.