Administrative assistant salary in Ontario, CA (Updated 2026)
How much does an Administrative Assistant make in Ontario, CA?
Average base salary
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The average salary for a administrative assistant is $23.14 per hour in Ontario, CA. 106 salaries taken from job postings on Indeed in the past 36 months (updated October 16, 2026).
Highest paying companies for Administrative Assistant in Ontario, CA
Average year pay is based on job postings on Indeed in the past 36 months.Hiring an Administrative Assistant?
Highest paying cities for Administrative Assistants near Ontario, CA
Where can an Administrative Assistant earn more?
Compare salaries for Administrative Assistants in different locations
Frequently Asked Questions (FAQs) about Administrative Assistant
The average salary for an Administrative Assistant is $23.14 per hour in Ontario, CA. This figure is based on 106 salaries taken from job postings on Indeed in the past 36 months, last updated on October 16, 2026.
Administrative Assistant jobs on Indeed - find your next one today.
Administrative Assistant salaries in Ontario, CA typically range between a low of $19.05 and a high of $28.11 per hour, depending on experience and the hiring company.
Some of the highest-paying cities for Administrative Assistant in Ontario, CA include San Francisco, CA at $28.92 per hour, San Jose, CA at $27.66 per hour, and Oakland, CA at $26.85 per hour.
Based on recent job postings on Indeed, some of the top-paying companies for Administrative Assistant in Ontario, CA include Pirate Staffing ($109,200 per year) and BBSI ($80,000 per year).
Compensation can vary based on the specific niche and level of responsibility within the field. Here is how the average Administrative Assistant salary in Ontario, CA compares to related positions: