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General Contractor Assistant Jobs in Missouri (NOW HIRING)

McGrath & Associates, Inc

Construction Laborer

Saint Louis, MO · On-site

$16 - $20.50/hr

... contractor This position requires membership in the St. Louis Laborers Union (McGrath will assist with sponsorship if needed). What youll actually be doing: * Performing general labor tasks on active ...

McGrath & Associates, Inc

Concrete Laborer

Saint Louis, MO · On-site

$16.25 - $22.25/hr

Louis Laborers Union (McGrath will assist with sponsorship if needed). What youll actually be doing ... Louis-based Design/Build Construction Manager and General Contractor with over 40 years of ...

PremiStar

Assistant Project Manager

Kansas City, MO · On-site

The Assistant Project Manager will provide administrative support to project management. They will ... general contractor. o Bid bonds and Performance, Labor & Material Bonds. o Process and execute ...

The Horak Companies

General Laborer

Columbia, MO · On-site

$18 - $24/hr

Insight Contracting is seeking reliable and motivated General Laborers to join our construction and ... Responsibilities include: * Assist with residential and commercial remodeling, repair, and general ...

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General Contractor Assistant information

See Missouri salary details

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How much do general contractor assistant jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for general contractor assistant in Missouri is $15.43, according to ZipRecruiter salary data. Most workers in this role earn between $12.98 and $18.21 per hour, depending on experience, location, and employer.

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

To thrive as a General Contractor Assistant, you need a basic understanding of construction processes, project documentation, and safety protocols, often supported by a high school diploma or relevant trade certifications. Familiarity with project management software, scheduling tools, and construction site equipment is typically required. Strong organizational skills, attention to detail, and effective communication make someone stand out in this position. These skills are crucial for supporting project efficiency, ensuring safety compliance, and facilitating smooth coordination between teams and subcontractors.

What is the difference between General Contractor Assistant vs Construction Coordinator?

AspectGeneral Contractor AssistantConstruction Coordinator
CredentialsHigh school diploma, some experience in constructionHigh school diploma, often some project management knowledge
Work EnvironmentConstruction sites, officesConstruction sites, project offices
Employer & Industry UsageConstruction companies, general contractorsConstruction firms, project management teams
Common Search & ComparisonYesYes

The main difference is that a General Contractor Assistant supports the general contractor with daily tasks, scheduling, and coordination, often focusing on site assistance. A Construction Coordinator typically handles project planning, communication, and documentation, often with more emphasis on administrative and organizational duties. Both roles are essential in construction projects but differ in scope and responsibilities.

What is a general contractor assistant?

General Contractor Assistants support general contractors in managing construction projects by performing administrative, organizational, and hands-on tasks. Their duties often include coordinating schedules, communicating with subcontractors and suppliers, maintaining project documentation, and ensuring that safety regulations are followed on-site. They help keep projects running smoothly by assisting with project planning, budget tracking, and addressing any logistical needs that arise. This role is vital for efficient project execution and helps ensure construction projects are completed on time and within budget.

What are some typical challenges faced by a general contractor assistant, and how can they be managed?

General Contractor Assistants often face challenges such as juggling multiple tasks on tight deadlines, coordinating with various subcontractors, and adapting quickly to changes on the job site. Effective time management, clear communication, and a proactive approach to problem-solving are essential for success in this role. Building strong relationships with team members and staying organized can help manage these challenges and contribute to smooth project execution.

What does a general contractor assistant do?

As a general contractor assistant, you assist construction teams on a building site and in an office. Your responsibilities include tasks like preparing and securing equipment, maintaining clean and safe work areas, and collaborating with teams of workers to complete each project. You use power and hand tools, direct subcontractors and temporary staff on daily duties, inventory materials, and collaborate with team members to complete tasks. Duties also include attending meetings and taking notes as necessary, communicating with teams of architects, engineers, subcontractors, and other team members, and following guidelines to ensure each structure is safe and meets code requirements.

More about General Contractor Assistant jobs
What are popular job titles related to General Contractor Assistant jobs in Missouri? For General Contractor Assistant jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching General Contractor Assistant jobs in Missouri look for? The top searched job categories for General Contractor Assistant jobs in Missouri are:
What cities in Missouri are hiring for General Contractor Assistant jobs? Cities in Missouri with the most General Contractor Assistant job openings:
General Contractor Assistant jobs near you
Infographic showing various General Contractor Assistant job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 11% Part Time, and 2% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $32,096 per year, or $15.4 per hour.

Construction Laborer

McGrath & Associates (MO)

Saint Louis, MO

$16 - $20.50/hr

Full-time

Re-posted 25 days ago

Job description

Looking for steady work with a solid crew and a company that values hard work?


At McGrath, our laborers are a key part of every jobsite. If you show up ready to work, take pride in what you do, and want to be part of a team that gets it done right-you'll fit in here.


Why work at McGrath:

  • Union journeyman scale pay
  • Steady, reliable work across the St. Louis area
  • Employee-owned company - take pride in where you work
  • Strong crews and leadership - work alongside experienced teams
  • Long-term opportunities with a respected contractor

This position requires membership in the St. Louis Laborers Union (McGrath will assist with sponsorship if needed).


What you'll actually be doing:

  • Performing general labor tasks on active construction jobsites
  • Jobsite cleanup, organization, and material handling
  • Assisting with demolition and site prep
  • Supporting carpenters and other trades as needed
  • Following all safety procedures and identifying hazards
  • Taking direction from Superintendents and field leadership


What we're looking for:

  • Laborer experience (journeyman level preferred)
  • 3+ years of construction experience
  • Strong work ethic and reliability
  • Ability to follow verbal and written instructions
  • Ability to lift 50+ lbs and work in all conditions
  • Valid driver's license and reliable transportation
  • OSHA 30 certification preferred


About McGrath:

McGrath & Associates, Inc. is a St. Louis-based Design/Build Construction Manager and General Contractor with over 40 years of experience. We specialize in pharmaceutical, healthcare, industrial, and commercial construction and are known for strong client relationships and quality work.


Final thought:

If you're someone who:

  • Shows up ready to work
  • Takes pride in doing things right
  • Wants steady work with a solid crew

We'd like to talk.


*McGrath is an Equal Opportunity Employer.

*This position is Safety Sensitive and Mandatory Substance Abuse testing per the St. Louis Construction Industry Substance Abuse Consortium is required.

*Candidates must be authorized to work in the United States without current or future visa sponsorship.

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