ABOUT US

We keep your project moving!

Timberland Structural was founded by Vincent Pirrone, P.E. in Denver, Colorado with a clear mission: to deliver fast, accurate structural engineering for Colorado’s residential builders, designers, and homeowners.

We specialize in custom home projects and residential structures across the Front Range, combining technical excellence with builder-friendly communication. From the first layout to final inspection letters, we’re here to keep your project moving and structurally sound.

FIRST PROJECT RISK-FREE PROGRAM

Builders, are you still working with the same engineer you’ve always used? Try us with zero commitment.

We’ll deliver a preliminary plan in 7-10 business days with no deposit required.

If you don’t like the direction, you don’t pay—simple as that.
(The First Project Risk-Free program is only for full custom home projects)

Our service focuses on structural design for:

Custom homes
Additions and remodels
Detached garages and workshops
ADUs and barndominiums
Pole barns and foundation-only projects

Whether it’s a hillside build in Boulder or a second-story addition in Colorado Springs, we tailor every design to your layout, site conditions, and permitting requirements.

GET A QUOTE

WHY BUILDERS CHOOSE US

Practical, Buildable Plans.

We specialize in wood-framed residential construction and design around the real-world constraints of trades like HVAC, plumbing, and electrical. Our engineers think ahead so you don’t get stuck during framing.

Support From Start to Finish.

You’ll work directly with an engineer who’s available throughout your project—from initial foundation and framing plans to final as-builts and site visits. Ask us anything, anytime.

Industry Connections.

Need a soils report? Drafting help? Permit expediting? We’ll connect you with trusted vendors we actually use ourselves.