Calendar of Events - Colusa County Chamber of Commerce.

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Events available for Registration...

Third Thursday Business Builders Lunch: Guest Speaker Kevin Spesert, Sites Project Authority
June 18, 2026
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Events in the month of May 2026

Date	Event
May 29, 2026	Colusa County Chamber AgriSphere Golf Classic - May 29 AgriSphere Golf Classic Join us for a premier day of golf, networking, and community investment at the AgriSphere Golf Classic. This tournament brings together leaders from agriculture, business, and community to support innovation and economic growth in Colusa County. Enjoy a first-class tournament experience featuring on-course contests, sponsor activations, and post-play awards. Location: Colusa Golf & Country Club, 2224 Hwy 20 Date: May 29 Shotgun Start: 9:00 Lunch/Awards Reception to Follow Whether you're playing to win or simply to connect, this is a day you won’t want to miss. more info...
May 2, 2026	Garden Club of Colusa County's Annual Plant Sale The Garden Club of Colusa County will be hosting their annual fundraising plant sale and membership drive on Saturday May 2nd! The event will be hosted at the 10th Street Pavilion from 9:00am-12:00pm and all proceeds will benefit the Garden Club's community projects throughout Colusa County! Mother's Day Gifts, Indoor & Outdoor Plants, Garden Art, and more! Donations gratefully accepted! #ColusaPlantSale more info...
May 9, 2026	Caleb Montgomery Concert Just about TWO WEEKS to go! Caleb Montgomery is coming to the Pierce High School stage for a performance you won’t forget! Join us on Saturday, May 9th at the Pierce High School Auditorium for an incredible night of live music. Caleb Montgomery Concert Doors open at 6 PM Show starts at 7 PM A fresh force in modern country, Caleb Montgomery blends grit, soul, and psychedelic edge into a sound that's as daring as it is timeless. Mark your calendars, invite your friends, and get ready for an unforgettable evening! CALL TO PURCHASE TICKETS- 530.473.2978 OR THE WEBSITE - https://www.eventbrite.com/.../caleb-joel-montgomery... more info...
May 12, 2026	HR Essentials for CA Small Businesses: A Practical Guide to Compliance & Best Practices This workshop will guide you through the human resource fundamentals, hiring, compliance, and employee management in California. You will learn: Why human resource matters for your small businesses (i.e., legal compliance, avoid costly penalties, employee retention, reduce turnover, hiring & performance management) Key California Labor Laws (i.e., overtime rules, meal & rest breaks, At-Will employment) Employee Classification - AB 5 Law (i.e., Independent Contractor vs. Employee) Hiring Laws & Best Practices (i.e., Ban-the-Box Law, Salary history ban, job posting requirements/SB 1162, diversity & anti-discrimination) Required New Hire Documents (i.e., IRS Tax Forms, California Tax Form, employee notice, workers' comp, sexual harassment prevention training) Employee Benefits & Retention (i.e., Affordable benefits for small businesses, retaining talent) Required Benefits in California (i.e., California Sick Leave & Time Off Requirements, retirement account) Employee Management & Compliance (i.e., performance management, final paycheck rules, harassment & discrimination prevention) Employee Terminating Process, and HR Tools & Resources for Small Businesses more info...
May 15, 2026	2026 Northern California Procurement Fair Join us for this complimentary, in-person event designed to help small businesses navigate and succeed in the government marketplace. Whether you are a newcomer or looking to scale, this Fair provides the tools and connections necessary to secure high-value contracts. Learn winning strategies from seasoned contractors, network personally with agency buyers and prime contractors, and discover no-cost programs tailored to support your growth. The Agenda includes Opening Remarks: Introduction to federal, State and corporate small business resources; Panel with the Pros: A deep dive into bidding success and strategic partnerships; B2B Networking Lunch: and Networking & Exhibition: Connect with Northern California buyers and small business advocates. Presented in partnership by Norcal APEX Accelerator, Shasta Cascade SBDC, North Coast SBDC, Butte College SBDC, Shasta EDC, NorCal VBOC Caltrans and Cal OSBA. more info...
May 25, 2026	Memorial Day Memorial Day The Chamber will be closed for the Holiday! more info...