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Construction Assistant Jobs in Rialto, CA (NOW HIRING)

The Construction Manager will assist the CDC in supervising, managing and directing on-going construction projects for the organization. Will provide day to day coordination of construction projects ...

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Commercial Construction Project Manager

Anaheim, CA · On-site

$94K - $127K/yr

Commercial Construction Project Manager Job Summary We are seeking an experienced Commercial ... Subcontractor & Vendor Management · Assist with subcontractor bidding, leveling, selection, and ...

Construction Laborer

Corona, CA · On-site

$21 - $26/hr

Clean and prepare construction sites to eliminate possible hazards * Assist crew members with construction work as required * Operate compressors and missiles * Install pedestals and vaults * Load ...

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This role includes managing the day-to-day operations of the construction site, as well as overseeing subcontractor coordination and scheduling. Suitable candidates will possess strong communication ...

Construction Laborer

Brea, CA · On-site

$21 - $26/hr

Clean and prepare construction sites to eliminate possible hazards * Assist crew members with construction work as required * Operate compressors and missiles * Install pedestals and vaults * Load ...

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Commercial Construction Estimator Overview: We are seeking a dedicated and experienced Commercial Construction Estimator to join our team. The ideal candidate will possess a strong background in ...

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Construction Assistant information

See Rialto, CA salary details

$13

$23

$36

How much do construction assistant jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for construction assistant in Rialto, CA is $23.14, according to ZipRecruiter salary data. Most workers in this role earn between $19.04 and $25.53 per hour, depending on experience, location, and employer.

What is a construction assistant?

Construction Assistants are entry-level workers who support construction projects by helping skilled workers, maintaining tools and equipment, preparing job sites, and performing various tasks as directed by supervisors. They play a crucial role in ensuring that projects run smoothly and efficiently. Construction Assistants may also assist with basic carpentry, cleaning up debris, unloading materials, and following safety protocols on site. This position is ideal for individuals seeking hands-on experience and opportunities to advance in the construction industry.

What does a construction assistant do?

Construction assistants perform a number of administrative and support tasks for the managers of a construction company. Their job duties include clerical duties, such as filing and answering calls, keeping an inventory of company tools and materials, and following up with customers and vendors. The qualifications to become a construction assistant include a high school diploma or an equivalent and organizational skills.

What are the key skills and qualifications needed to thrive as a construction assistant, and why are they important?

To thrive as a Construction Assistant, you need a solid understanding of construction processes, basic math skills, and often a high school diploma or equivalent. Familiarity with construction tools, safety protocols, and project management software like Procore or Buildertrend is beneficial. Strong communication, teamwork, and attention to detail help you excel in supporting supervisors and collaborating with crew members. These skills ensure projects run smoothly, safely, and efficiently, contributing to overall job site success.

What are some common challenges a construction assistant may face on the job?

Construction Assistants often encounter challenges such as adapting to changing project priorities, managing time effectively across multiple tasks, and maintaining safety standards on busy sites. They may also need to quickly learn how to use new tools or equipment and communicate clearly with both supervisors and tradespeople. Proactively asking questions, staying organized, and keeping up with safety protocols can help overcome these challenges and contribute to a productive work environment.

What is the difference between Construction Assistant vs Construction Worker?

AspectConstruction AssistantConstruction Worker
Required CredentialsHigh school diploma; some roles may require OSHA safety trainingHigh school diploma; on-the-job training often provided
Work EnvironmentAssist with project planning, site preparation, and administrative tasks; work in construction sites and officesPerform physical labor on construction sites, including building, demolition, and material handling
Employer & Industry UsageUsed by contractors, construction firms, and project managers for support rolesEmployed directly on construction sites by contractors and subcontractors

The main difference between a Construction Assistant and a Construction Worker is that the assistant typically supports project planning and administrative tasks, while the worker performs hands-on physical labor. Both roles are essential in construction projects, but they differ in responsibilities and daily activities.

What is the easiest type of construction assistant job?

The easiest construction assistant jobs typically involve basic tasks such as site cleanup, material handling, and assisting experienced workers. These roles often require minimal experience and may not need specialized certifications, making them accessible for entry-level candidates. However, physical stamina and the ability to follow safety protocols are important for success in these positions.

What are the most commonly searched types of Construction jobs in Rialto, CA?

The most popular types of Construction jobs in Rialto, CA are:

What are popular job titles related to Construction Assistant jobs in Rialto, CA?

For Construction Assistant jobs in Rialto, CA, the most frequently searched job titles are:

What job categories do people searching Construction Assistant jobs in Rialto, CA look for?

The top searched job categories for Construction Assistant jobs in Rialto, CA are:

What cities near Rialto, CA are hiring for Construction Assistant jobs?

Cities near Rialto, CA with the most Construction Assistant job openings:

Infographic showing various Construction Assistant job openings in Rialto, CA as of August 2026, with employment types broken down into 2% As Needed, 74% Full Time, 21% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $48,121 per year, or $23.1 per hour.

JUNIOR / ASSISTANT ESTIMATOR - CONSTRUCTION FIRM FULL-TIME

J Harris Construction, Inc.

Riverside, CA • On-site

Other

Posted 12 days ago


Job description

Great opportunity to grow in the construction industry. The Estimating Assistant will be responsible for assisting the estimating department with all facets of the bidding process such as: researching, gathering and preparing proposals, ensure all bid requirements are met (mandatory job walks, pre-solicitations, etc.).