Logan Simpson

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Logan Simpson Working together to guide responsible change. Established in 1990, Logan Simpson practices innovative and sustainable planning and design.

Providing a range of services through our main service lines: Environmental Services, Cultural Resources, Community Planning, and Landscape Architecture, with offices in Arizona, Utah, Colorado, and Nevada. With a robust in-house staff of professionals including (but not limited to) archaeologists, biologists, environmental planners, visual resource specialists, Clean Water Act permitting specialists, GIS practitioners, community planners, historic preservationists, ethnographers, landscape architects, and designers, we serve public and private clients. Our work includes renewable energy projects; roadways; educational facilities; open space, trails, and recreation; infrastructure; public safety projects; land, resource, and travel management; and more.

Say hello to our newest staff members: Bryan Di Nardo, Information Technology Manager; Connor Pagliaro, Archaeologist; E...
10/19/2026

Say hello to our newest staff members: Bryan Di Nardo, Information Technology Manager; Connor Pagliaro, Archaeologist; Ethan Knudtson, Archaeologist; Franchesca Eklund, Archaeologist; Grant Dickerson, Associate Biologist; Lola Kolodisner, Marketing Coordinator/Administrative Assistant; and Mathew Downs, Environmental Planner. Welcome to Logan Simpson! We’re thrilled to have you on our team to guide responsible change.

So, who will be in our new Denver office?We're excited to announce our team of environmental and planning professionals ...
10/16/2026

So, who will be in our new Denver office?

We're excited to announce our team of environmental and planning professionals in the Mile High City! Working closely with our Fort Collins office, having boots on the ground in Denver allows us to more intimately serve the communities and clients across Colorado. 🥾🏙️

And this is just the beginning. As this multidisciplinary office grows, so does the potential to expand our service lines and bring even more expertise to the region.

We're excited for what's ahead. Stay tuned, Denver! 🏔️

Interested in joining the fight to protect our history? Read more here.
10/15/2026

Interested in joining the fight to protect our history? Read more here.

So many sacred and historic places have been saved by National Historic Preservation Act, which turns 60 today. Its future is under dire threat.

Please read and share this press release about all the ways we are fighting back. Then join us at https://www.106strong.com/

Read the press release here: https://www.106strong.com/60th-anniversary-press-release

The National Historic Preservation Act has given Tribal Nations, communities, and the public a voice before federal deci...
10/15/2026

The National Historic Preservation Act has given Tribal Nations, communities, and the public a voice before federal decisions harm places that carry our history. Today, that is all at risk. Please watch this short film to learn more.

Howdy, Texas! 🤠We're attending the APA Texas Annual Planning Conference this week! We're looking forward to meeting plan...
10/14/2026

Howdy, Texas! 🤠
We're attending the APA Texas Annual Planning Conference this week! We're looking forward to meeting planners from across the state and swapping practical solutions and innovative ideas that help Texas communities navigate a changing world. It's also a chance to share some of the work we're most excited about.

Come hear our take on how vertical farming can help build better cities on October 15 from 10:30AM – 11:30AM:

🥬 Lettuce Build Better Cities: Vertical Farming

Planning Association - Texas Chapter

We're hitting the road for Keystone! 🚗This week, we'll be at the 2026 Housing Colorado Annual Conference! We're excited ...
10/13/2026

We're hitting the road for Keystone! 🚗

This week, we'll be at the 2026 Housing Colorado Annual Conference! We're excited to connect with housing professionals, partners, and advocates from across the state; learn from their work; and share our own.

If you're there, stop by and join us for our presentations!
🏠 Unlocking Prop 123: From Policy to Projects
🏠 From Pushback to Progress: A Rural Engagement Playbook

10/12/2026

Honoring Indigenous Peoples’ Day.

We recognize the enduring cultures, histories, and stewardship of Indigenous peoples. We’re grateful for the communities who share their knowledge and guide us toward more respectful work.

We're attending the 23rd Biennial Mogollon Archaeology Conference on October 8–10 in Las Cruces, New Mexico! We're excit...
10/08/2026

We're attending the 23rd Biennial Mogollon Archaeology Conference on October 8–10 in Las Cruces, New Mexico! We're excited to connect with fellow researchers and share our latest work in the Mogollon region.

Be sure to join us for our presentation on Friday, October 9 at 4:20PM.

⛏️ Land Use and Settlement within the Upper Little Colorado River Region: A Synthesis of Recent Class III Surveys within the WEPJ Restoration Project Area near Springerville, Arizona

10/05/2026

We've been keeping a secret. 🤫

We’re thrilled to announce our newest office location in Denver, Colorado! Since opening our Fort Collins office in 2012, we have continued to grow our Colorado team and are excited to continue to guide responsible change in the Rocky Mountains with the addition of a downtown Denver office. 🏙️

We can’t wait to get to work 💪 Stay tuned for more information on our grand opening! ⛰️

The mountains are calling and we must go! Logan Simpson is heading to Crested Butte this week for the Colorado Open Spac...
10/02/2026

The mountains are calling and we must go! Logan Simpson is heading to Crested Butte this week for the Colorado Open Space Alliance 2026 Conference. We can't wait to connect with fellow open space and conservation professionals and join in on the networking events and presentations. We hope to see you there! ⛰️

Address

222 South Mill Avenue, Suite 222
Tempe, AZ
85281

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

(480) 967-1343

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