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Assistant Commercial Jobs in Riverside, CA (NOW HIRING)

AutoZone

Commercial Specialist

Rialto, CA · On-site

$16.90 - $18.56/hr

Responsibilities * Assist commercial customers with product selection and order management. * Maintain accurate billing records and ensure on-time deliveries. * Conduct account visits to build ...

AutoZone

Commercial Specialist

Perris, CA · On-site

$16.90 - $18.56/hr

Responsibilities * Assist commercial customers with product selection and order management. * Maintain accurate billing records and ensure on-time deliveries. * Conduct account visits to build ...

AutoZone

Commercial Specialist

Perris, CA · On-site

$16.90 - $18.56/hr

Responsibilities * Assist commercial customers with product selection and order management. * Maintain accurate billing records and ensure on-time deliveries. * Conduct account visits to build ...

AutoZone

Commercial Specialist

Moreno Valley, CA · On-site

$16.90 - $18.56/hr

Responsibilities * Assist commercial customers with product selection and order management. * Maintain accurate billing records and ensure on-time deliveries. * Conduct account visits to build ...

AutoZone

Commercial Specialist

Bloomington, CA · On-site

$16.90 - $18.56/hr

Responsibilities * Assist commercial customers with product selection and order management. * Maintain accurate billing records and ensure on-time deliveries. * Conduct account visits to build ...

AutoZone

Commercial Specialist

Mission Viejo, CA · On-site

$16.90 - $19.10/hr

Responsibilities * Assist commercial customers with product selection and order management. * Maintain accurate billing records and ensure on-time deliveries. * Conduct account visits to build ...

City of Claremont, CA

Maintenance Assistant

Claremont, CA · On-site

$22.45 - $27.13/hr

Sanita tion Division Maintenance Assistants assigned to the Sanitation Division will assist commercial refuse drivers with moving bins and navigating clearance zones. They will pick-up and deliver ...

City of Claremont

Maintenance Assistant

Claremont, CA · On-site

$22.45 - $27.13/hr

Sanitation Division Maintenance Assistants assigned to the Sanitation Division will assist commercial refuse drivers with moving bins and navigating clearance zones. They will pick-up and deliver ...

Chino Commercial Bank

Commercial Credit Analyst

Chino, CA · On-site

$22 - $27/hr

... 7. Assist loan officers in the review and renewal of credit facilities; provides back-up support ... Knowledge of commercial, construction, real estate and consumer loan processing. * Ability to read ...

Chino Commercial Bank

Commercial Credit Analyst

Chino, CA · On-site

$22 - $27/hr

... 7. Assist loan officers in the review and renewal of credit facilities; provides back-up support ... Knowledge of commercial, construction, real estate and consumer loan processing. * Ability to read ...

Cna

Underwriting Consultant(Commercial P&C)

Irvine, CA · Hybrid

$72K - $141K/yr

At CNA, we strive to create a culture in which people know they matter and are part of something important, ensuring the abilities of all employees are used to their fullest potential. Individual ...

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Assistant Commercial information

See Riverside, CA salary details

$8

$21

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How much do assistant commercial jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for assistant commercial in Riverside, CA is $21.48, according to ZipRecruiter salary data. Most workers in this role earn between $16.78 and $23.56 per hour, depending on experience, location, and employer.

What is a commercial assistant?

A commercial assistant provides administrative support for the operations of a business. As a commercial assistant, you perform numerous duties in the office, including monitoring production, communicating with sales and marketing departments, and providing customer service. The qualifications for this job include a high school diploma or GED certificate and some postsecondary training in business administration. Previous work experience in customer service or retail may be helpful. Other useful skills for the career include strong communication and organizational skills and the ability to follow directions.

What is the difference between Assistant Commercial vs Sales Coordinator?

AspectAssistant CommercialSales Coordinator
Required CredentialsHigh school diploma or equivalent; some roles may prefer a bachelor's degreeHigh school diploma; some roles may prefer a bachelor's degree or sales certifications
Work EnvironmentOffice setting, supporting commercial or sales teamsOffice environment, coordinating sales activities and client communications
Employer & Industry UsageUsed across industries like manufacturing, retail, and servicesCommon in retail, wholesale, and corporate sales sectors

The Assistant Commercial and Sales Coordinator roles both support sales functions but differ slightly. The Assistant Commercial often handles administrative tasks related to commercial operations, while the Sales Coordinator focuses more on coordinating sales activities and client interactions. Both roles require similar credentials and are found in various industries, making them closely related but distinct in their specific responsibilities.

What does an assistant commercial do?

An assistant commercial supports sales and marketing teams by handling administrative tasks, preparing sales materials, and coordinating communication with clients. They often use tools like CRM software and may assist in market research or promotional activities. Strong organizational and communication skills are essential for this role.
More about Assistant Commercial jobs

What are the most commonly searched types of Commercial jobs in Riverside, CA?

The most popular types of Commercial jobs in Riverside, CA are:

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For Assistant Commercial jobs in Riverside, CA, the most frequently searched job titles are:

What job categories do people searching Assistant Commercial jobs in Riverside, CA look for?

The top searched job categories for Assistant Commercial jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Assistant Commercial jobs?

Cities near Riverside, CA with the most Assistant Commercial job openings:

Assistant Commercial jobs near you

Assistant Commercial Construction Site Supervisor (Tenant Improvements)

The Contractor Consultants

Yorba Linda, CA • On-site

$28 - $35/hr

Full-time, Per diem

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 13 days ago

Job description

???? Lead Projects from the Front Lines – Become an Assistant Commercial Construction Site Supervisor at RMC Facilities Services, Inc.!


Position Title: Assistant Commercial Construction Site Supervisor (Tenant Improvements)

Company Name: RMC Facilities Services, Inc.

Pay Range: $28–$35 per hour, depending on experience

Location: Yorba Linda, CA

Industry: General Construction (Commercial, Retail)

Job Overview

RMC Facilities Services, Inc. is looking for a hands-on, detail-oriented Assistant Commercial Construction Site Supervisor to oversee day-to-day operations at construction sites throughout Southern California. This full-time role is ideal for someone with working knowledge of construction trades, scheduling, and site management—especially those who thrive in dynamic environments that include night and weekend work. As a Project Supervisor, you’ll be the boots-on-the-ground leader ensuring quality craftsmanship, subcontractor coordination, and jobsite safety while keeping projects on time and within scope.

Who We Are

RMC Facilities Services, Inc. is a full-service general contractor with over 50 years of experience in the construction industry. As a Southern California-based Certified Women Business Enterprise (WBE), we’re proud to deliver high-quality tenant improvements, commercial buildouts, and facility management solutions across the region. We are a people-first organization offering room for growth, a strong team culture, and a competitive benefits package that reflects our commitment to our employees' well-being.

Learn more at: www.rmcfs.com

Key Responsibilities
  • Oversee and manage tenant improvement (TI) projects including carpeting replacement, furniture moving, and interior painting from start to completion
  • Manage daily field operations at job sites, ensuring work aligns with project schedules and quality standards
  • Communicate effectively with clients, subcontractors, and internal team members
  • Conduct quality control checks and ensure contractor compliance with safety regulations
  • Lead and document daily safety meetings and maintain a safe work environment
  • Monitor and document job progress using daily reports and photos
  • Review project plans, subcontractor scopes, RFIs, and submittals
  • Coordinate inspections and communicate with city officials as required
  • Travel between multiple job sites during day or night shifts
  • Secure permits when needed and ensure all site requirements are met
  • Identify and resolve field issues to keep the project on track
  • Provide direct support to Project Managers and escalate issues when necessary
Qualifications
  • Minimum 2 years of experience in construction or field supervision
  • High school diploma or GED required
  • Solid understanding of commercial construction trades and terminology
  • Ability to read and interpret blueprints, plans, and specifications
  • Familiar with OSHA safety standards and site compliance procedures
  • Proficient in Microsoft Office Suite; familiarity with MS Project a plus
  • Available for night and weekend work as required
  • Strong communication, leadership, and problem-solving skills
  • Self-motivated, detail-oriented, and capable of working independently
  • A professional review and drug screening will be completed as part of the onboarding process, in compliance with applicable laws.
Benefits
  • Medical, Dental, and Vision Insurance
  • Life Insurance and Disability Coverage Options
  • Safe Harbor 401(k) Retirement Plan
  • Paid Time Off – vacation, sick leave, and holidays
  • Bi-Weekly Pay Cycle
  • Annual Bonus Eligibility (based on company performance)
  • Travel Per Diem for Eligible Projects
  • Uniforms Provided, Company Events, and Performance Incentives
  • Tech package (smartphone/tablet)
Schedule
  • Full-Time – With frequent night and weekend work
  • Overtime available depending on project demands.
Work Location
  • Yorba Linda, CA 
  • This position requires frequent travel between project locations. Mileage and travel expenses are reimbursed per company policy.
Equal Employment Opportunity

We are proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other legally protected status.