September 2026
Greetings,
This month I would like to highlight and congratulate my Chief of Staff, Cristina Rivera, for being selected as the 2026 Chief of Staff of the Year by Gov Business Review.
I am thankful to have her as part of my team. Cristina has been instrumental in my team’s success and has been a tremendous asset to the County, helping build strong relationships throughout the organization.
Please join me in congratulating Cristina on this well-deserved recognition!
As always, I encourage you to contact my office with any questions or concerns you may have. You may do so by calling 530-889-4081 or via email at crivera@placer.ca.gov.
Anthony DeMattei
Placer County Supervisor, District 3
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Events, News and Resources
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District 3 Chief of Staff Cristina Rivera was recently recognized by Gov Business Review as its 2026 Chief of Staff of the Year, citing her leadership, professional impact and standing within the industry.
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Earlier this month, my team and I had the privilege of attending our Countywide Employee Appreciation Day at the Sunset building location.
Our county is successful because of the great employees we have. Thank you for all that you do to make this county great.
 The books are back on Nevada Street!
The Auburn Library celebrated its grand reopening Saturday following 18 months of renovations, with an estimated 400 people attending the ribbon-cutting ceremony and more than 1,100 visitors exploring the newly renovated library throughout the day.
The celebration featured guided tours, family-friendly activities and a first look at the nearly $10 million transformation of the more than 50-year-old Nevada Street library. The reopening also generated excitement among new patrons, with 62 new library cards issued during the event.
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 Placer County residents are breathing a sigh of relief following the efforts of the Placer County Sheriff’s Office to locate 44-year-old Derek Spencer, who was wanted following a violent crime spree that resulted in the death of an innocent woman. After an hours-long search through the rugged Iowa Hill terrain, members of the Placer County Sheriff’s Office Special Enforcement Team located Spencer early Monday morning. After Spencer fired multiple shots at deputies, he was struck and killed by deputies who returned fire.
This was a dangerous and challenging operation that required an incredible amount of coordination, resources and support from our law enforcement and public safety partners. Most importantly, our hearts remain with the family of Cheryl Macy, whose life was tragically taken. Cheryl worked for more than a decade with our Placer County District Attorney’s Office. Sheriff Wayne Woo and District Attorney Morgan Gire shared details of the operation and addressed Cheryl’s loss in remarks to our Board of Supervisors this week.
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September is National Preparedness Month. Take time this month to know the risks in your community and talk with your family about what to do in an emergency. For more tips, checklists and resources, bookmark readyplacer.org.
Learn more
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Flu season is right around the corner, making now a great time to plan for your annual flu shot! Many members of our community receive their flu vaccine through their doctor's office or local pharmacy.
As another convenient option, Placer County Public Health will offer walk-in clinics beginning in early October, primarily at the HHS Center in Auburn. Everyone 6 months of age and older is welcome, including county staff, and no appointment is necessary. Visit the website for clinic dates, locations and additional information.
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Our Board of Supervisors has approved funding requests for two affordable housing projects in Penryn and West Placer, including up to $7.26M for Hope Way Apartments and a potential $8.9M county loan for Destination at Placer One. Read more |
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The Placer County Department of Public Works is installing high-friction surface treatments on 17 roadway curves throughout the county to help reduce collisions. The work is well underway with an Oct. 31 target for completion.
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The outdoor sports resort within the Placer One development will feature a 5-acre surf lagoon, wave pool, 100-room hotel, bungalows, dining, an action sports hub, skate facilities, beaches, a standing wave pool and more. Read more |
 As part of our 175th anniversary celebration, we’ll recognize our past and present Saturday, Oct. 10, as we seal a time capsule that will remain untouched for the next 75 years.
You’re invited to join county staff and local officials to celebrate this occasion, beginning at 12 p.m. at the Historic Auburn Courthouse. A historic safe dating to 1878 will serve as the time capsule at the Placer County Museum. It will remain sealed until 2101 when it will be opened as part of Placer County’s 250th anniversary.
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