• Vino Robles Amphitheater  
  • SLO Airport outside waiting area  
  • Rice Ranch Park  
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  • Pine Street Parking Lot in Paso Robles  
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  • what we do

    We are service oriented professionals in Civil & Transportation Engineering, Construction Management, Landscape Architecture, Mechanical Engineering, Planning, Public Works Administration, Surveying / GIS Solutions, and Water Resources. We understand the importance of thoughtful collaboration in order to deliver meaningful, elegant and cost-effective planning, design and engineering solutions for the needs of our community.

  • who we are

    Wallace Group is a reflection of the communities we serve. We are neighbors, family members, active volunteers, professionals, and leaders in our business and personal communities. We believe in contributing, and we have a commitment to the long-term health and viability of our built environment.

  • why we do it

    Since our founding in 1984, our focus and passion has centered on the personal side of business. We value our partnerships; we believe in earning trust and work diligently to demonstrate integrity, fairness, and reliability to our clients and amongst our staff. At Wallace Group we love what we do and the value it provides to people. Our work reflects our Dedication to Service and results in high value services and quality products for our clients and our environment.

the latest news

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01/ 21/ 2019
Have you noticed anything different on some of the new roads lately? Lane lines are gaining weight. Those longitudinal traffic lines separating lanes have historically been 4 inches wide, now they are six inches. Sarah Huffman, PE at Wallace Group explains that Caltrans has started implementing wider stripes for several reasons; such as they improve roadway guidance during poor visibility conditions and will serve the aging driving population. These changes will also benefit the emerging self-driving car market. Navigation for these new vehicles will rely on the marking on California’s 50K miles of roadways and according to Caltrans they aim to have these changes completed in two to three years.
01/ 12/ 2019
We ❤️ @SLO parks and rec! We attended the first of their “Emerging Trends” presentations last night and heard from the community regarding the love and high priority needs for Sinsheimer Pool. We also enjoyed a preview of awesome events that Dave has planned to activate our parks. Don’t miss the next presentation, February 6, 5pm at the Council Chambers. Especially if you have an interest in furry friends, two-wheeled transport or plants 🌱
12/ 21/ 2018
On Tuesday morning, a group of team members from Wallace Group, RRM, the County of SLO, and Caltrans met at the Ontario Ridge trailhead of Bob Jones Trail and set out to map the course for the new segment of the trail. The proposed trail will provide more than 4 miles of new pathway for bikes and pedestrians between Avila Beach and southern San Luis Obispo. Throughout the day the group traversed overgrown creek beds and wooded terrain, as well as open grasslands and charming apple orchards while collaborating on ideal trail alignments, creek crossings, and vista points. It was a beautiful day, and someday we will all be able to enjoy this new scenic trail between the city and the sea!
12/ 20/ 2018
Our Charitable Contributions Committee has been very busy this year! Yesterday was spent gathering toys for the much-admired enterprise, Toys for Tots. Our team delighted in choosing toys for all ages, including teenagers. Wishing you peace, joy, and happiness this holiday season.
12/ 13/ 2018
Wallace Group co-workers gathered to welcome the holidays with our annual company luncheon. Food, fun and raffles were on hand to ensure an awesome start to our holiday season.