Our Commitment
At Timmons Group, sustainability is more than a practice—it’s a commitment. As engineers, planners, designers, and technologists, we partner with our clients to strengthen communities, protect natural resources, and create a more resilient future. We support projects across renewable energy, green infrastructure, ecosystem restoration, and resilient design. Our experts continue to innovate, helping clients navigate complex environmental challenges with practical, scalable solutions that deliver long-term environmental and community value.
We approach each challenge with a respect for the environment and the people it serves. From water quality solutions on constrained urban sites to statewide mapping and planning efforts that support wildfire and flood preparedness, Timmons Group delivers environmental solutions at every scale. Our teams work hand in hand with clients and communities to balance progress with long-term environmental stewardship.
Since inception, our firm has advanced environmentally responsible solutions across infrastructure, land development, energy, and environmental restoration. Sustainability is integral to the way Timmons Group plans, designs, and delivers projects—reflected in our experience and credentials:
- 50+ LEED-certified and registered projects completed
- 20+ LEED-accredited professionals and Envision Sustainability Professionals on staff
Our commitment extends beyond certifications: we help clients navigate complex regulatory frameworks, preserve cultural and natural resources, and design infrastructure that reduces environmental impact.
Sustainability is embedded in how we deliver projects—supporting resilient, responsible outcomes for the communities and clients we serve.
LEED Accreditation
An active member of the U.S. Green Building Council since 2000, Timmons Group’s Leadership in Energy and Environmental Design (LEED®) Accredited Professionals have been involved with more than 50 LEED certified and LEED registered projects, including the first LEED Gold certified elementary school. Timmons Group currently employs nearly 30 professionals with a LEED Accreditation and/or LEED Accredited Professional BD+C license.
Envision Certification
Timmons Group is a proud member of the Institute of Sustainable Infrastructure's Envision program, a flexible system of criteria and performance objectives to aid decision makers and help project teams identify sustainable approaches during planning, design and construction of infrastructure projects that will continue throughout the project’s operations and maintenance and end-of-life phases. Timmons Group currently has five certified Envision Sustainability Professionals (ENV SPs) on staff.
