California news

Sept. 29, 2026

Glenhaven Post Office to Temporarily Close for Building Maintenance

Retail and PO Box Services Available at Clearlake Oaks Post Office

CLEARLAKE OAKS, CA — The Glenhaven Post Office located at 9530 Highway 20, Glenhaven, CA 95443 will be temporarily closed for necessary building maintenance effective Wednesday, September 30, 2026.

PO Box and retail services will be available at the Clearlake Oaks Post Office, located at 13280 E Hwy 20, Clearlake Oaks, CA 95423.

Mail for PO Box customers will be available for pick-up starting Thursday, October 1, 2026, at the Clearlake Oaks Post Office, Monday – Friday from 8:30 a.m. – 4:30 p.m. and on Saturday from 8:30 a.m. – 10:30 a.m.

Customers are asked to please present photo ID for mail pick-up.

Many retail services, including temporary forwards, stamps and more, are also available anytime, online at USPS.com.

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The United States Postal Service is an independent federal establishment, mandated to be self-financing and to serve every American community through the affordable, reliable and secure delivery of mail and packages to more than 172 million addresses six and often seven days a week. Overseen by a bipartisan Board of Governors, the Postal Service is currently pursuing a transformation plan aimed at restoring long-term financial sustainability, improving service, and maintaining the organization as one of America’s most valued and trusted brands.

The Postal Service generally receives no tax dollars for operating expenses and relies on the sale of postage, products and services to fund its operations.

For USPS media resources, including broadcast-quality video and audio and photo stills, visit the USPS Newsroom. Follow us on X, Facebook, Instagram, Pinterest, Threads, and LinkedIn. Subscribe to the USPS YouTube Channel. For more information about the Postal Service, visit usps.com and facts.usps.com.

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