What Does a Commercial Construction General Contractor Do?

A commercial construction general contractor takes charge of the tasks required to build, fix or grow a commercial building. The contractor coordinates subcontractors, plans the construction schedule, orders materials, runs the job site activity and manages the agreed construction scope. The contractor's exact responsibilities vary with the contract and how the project is set up.

For a business owner this means having a contractor who is in charge of coordinating the construction work. An office renovation, a retail buildout or a restaurant project may involve trades working in the same space. The general contractor plans how those activities fit together and solves problems that could affect the stage.

Main responsibilities of a commercial construction general contractor

The job requires making choices before the building starts watching over the work as it happens and making sure everything is done right when it's finished. The U.S. The Bureau of Labor Statistics explains the duties of construction management that involve planning a budget, setting a schedule, picking subcontractors and working with people who work in construction. 

Reviewing plans and defining the scope

Before preparing a proposal the contractor must first understand what the owner wants to build and what the property can support. The contractor will then review drawings, specifications, existing conditions and access to the site. 

The office renovation scope may include removing partitions, relocating outlets, adjusting HVAC distribution and installing new finishes. The restaurant buildout requires coordination, around equipment connections, ventilation and kitchen layout. 

The written scope needs to say what is and isn't included. Things like equipment installation, signs, furniture and changes, to utilities should never be thought of as part of the cost without looking at the proposal

An unclear scope leads to arguments. If the owner wants flooring all through the building but the estimate only covers the reception area that difference has to be fixed before any work starts.

Preparing estimates and managing construction costs

A commercial general contractor creates prices based on the work that is planned, quotes from trades, choices for materials, what equipment is needed and the conditions at the job site.

The estimate needs to show things that are not certain. For example an allowance might be used for a product that has not been decided on yet. Picking a product that's more expensive than the allowance can make the total cost go up.

Construction changes also need documentation. Moving a wall may affect work, finishes and the schedule. The owner should understand the effects of moving a wall on work finishes and schedule before the owner approves the change.

AIA guidance recommends documenting reasons for changes considering cost and scheduling effects and obtaining written client approval before issuing change orders. The approval process should follow the project’s contract.

Hiring and coordinating subcontractors

Commercial projects often need people who're experts in certain areas. Electricians, plumbers, HVAC contractors and workers who do finishing jobs each have their jobs.. Their work sometimes overlaps.

The general contractor makes sure that each group of workers comes at the time. Also they make sure that certain tasks are completed before the next group starts. Work that is hidden inside walls must pass the inspection before those walls are covered.

Coordination also means solving real-life problems. A pipe path might get in the way of lights or machines might need a connection that's different from what was first planned. The contractor gathers the people involved to fix the problem. 

Managing the construction schedule

A good construction schedule takes into account how tasks depend on one another. For example demolition must happen before installations. Inspections can't be done until the work is ready. Finish work comes last. Depends on everything else being complete. These steps don't all fit together at the time.

Material availability plays a role too. If an electrical component is late or a storefront system doesn't arrive or a custom fixture is delayed that can push back other activities. The contractor keeps track of all these materials. When a delay threatens the completion date the contractor lets the owner know away.

Owners have scheduling responsibilities too. When finish selections are chosen late or approvals are delayed it can slow down the process of ordering and installation. It’s important to ask what decisions are needed, who has to make them and when they need to be completed. This helps keep everything on track. 

Coordinating permits and inspections

The contract needs to state who is in charge of handling permit applications, the supporting documents, the fees and the scheduling of inspections. Some of these duties might be handled by the contractor while other parts could involve the architect, the engineers or the individual trades.

For a project located in Monmouth County or Middlesex County make sure to check the requirements with the municipality that is in charge of the property. Do not think that a current commercial space has already been approved for every use.

The person who is in charge of the building work makes sure everything is checked properly. They also fix any issues that need to be fixed. The people who have the power to say yes or no are the ones who give approval. 

Overseeing jobsite safety and workmanship

A general contractor is responsible for managing what happens on the job site and making sure the work meets the project's needs. This involves spotting issues with how things are installed making sure those issues are fixed and controlling who can enter areas where construction is happening.

Existing parts of the building might also need to be protected. Things like dust, trash, deliveries and moving equipment can cause problems in other rooms or, for people living nearby.

When a business stays open during construction the work needs planning.

Customer routes, employee access and temporary interruptions need to be talked over before construction starts.

Whether a business can keep operating depends on how big the construction's rules apply.

Keeping the owner informed

The owner needs clear updates about completed work, upcoming activities, and decisions that require attention.

A useful progress update explains what has changed and what that means. If a delivery is late, the owner should know whether other work can continue and whether the delay affects the opening date.

Written records also help prevent misunderstandings. Selections, approvals, and changes should be documented so everyone works from the same information.

What types of commercial projects do general contractors handle?

Commercial general contractors may work on office renovations, retail build outs, restaurant construction, tenant improvements, building additions, or new construction.

Each project type has different demands. An office renovation may focus on layout, lighting, and employee use. A restaurant project may require substantial coordination between the kitchen equipment layout and building systems.

Tenant improvements involve adapting leased space for a tenant’s business. Before work starts, the tenant should clarify which improvements require landlord approval and which responsibilities belong to each party.

Ask contractors about projects similar to yours. Experience renovating offices does not automatically establish experience with every commercial use or building system.

Commercial general contractor vs. architect: Who does what?

The architect develops the design and prepares architectural documents within the agreed scope. Engineers may design structural or building systems where needed.

The general contractor organizes and performs the construction work according to the contract documents. If site conditions conflict with the drawings, the contractor should seek clarification through the project’s agreed process.

The owner sets the project goals, approves the budget, and makes decisions about the business’s needs.

These responsibilities can be organized differently. In a design-build arrangement, design and construction fall under one contract. Whatever the arrangement, the agreements should identify who is responsible for each part of the project.

When should you hire a commercial construction general contractor?

Consider hiring a commercial general contractor when the work requires several trades, substantial changes to the space, or coordination around a firm business deadline.

Early involvement can help you understand whether the proposed scope fits your budget and schedule. This is especially useful before committing to an opening date or finalizing plans for a leased property.

A single-trade repair may not require a general contractor. A renovation involving partitions, electrical work, HVAC changes, and interior finishes usually needs more coordination.

Before contacting contractors, gather any available plans, photos, lease requirements, and information about how you intend to use the space. Explain your budget expectations and required completion date, even if those details are still being developed.

What should you confirm before hiring?

Please ask for examples of commercial projects and provide references you can contact. Discuss who supervised those projects and explain how changes were handled.

Carefully review the proposal. It must define the work, exclusions, payment terms and procedures for costs. Confirm that credentials and insurance applicable to the proposed work are in place.

You should also know which person or team handles design, permits and inspections. A proposal that leaves the responsibilities for design, permits and inspections unclear can be difficult to compare with another contractor’s price.

The lowest bid is only useful if you understand what the bid covers. Check the allowances, material specifications and omitted work before deciding which proposal offers the scope for your project.

What happens at project completion?

The contractor and the owner usually go over the project together to find any work that is not finished or needs to be fixed. These issues are listed in what's called a punch list. Each item on the list has a person or team, for fixing it and a date by which it should be completed.

Closeout can also involve gathering inspection records, warranty details, product instructions and any other documents that the contract requires.

A place that seems done might still need approvals before it can be used or moved into. Check what is left to do before setting a move date or saying the place is open. Make sure to find out the things that need to be done before planning to move or telling people the space is ready. 

Discuss your project with Toth Construction

Toth Construction offers construction services that include interior build outs, restaurant work and ground-up construction. If you want to talk about your property, the proposed scope and the schedule visit the construction services page or call (609) 286-7195. 

Frequently asked questions

What does a commercial construction general contractor do?

The prime function is to coordinate and supervise the construction work within the scope of the agreement. This usually involves hiring subcontractors, scheduling, cost tracking and communicating with the owner.

Is it a commercial general contractor or do they also do subcontracting?

No. A contractor can do some work with his or her own crew and engage specialized subcontractors for the remainder of the work. The general contractor is responsible for coordination of those activities.

Is the building designed by the general contractor?

Not automatically. Architects typically design buildings along with the engineers they are directly involved with. Design and construction can be combined in a single contracting entity with a design-build contract.

Who issues construction permits for commercial construction?

Responsibility is negotiated and subject to local needs. Verify the party preparing applications, submission of applications, application fees and inspections prior to work commencing.

Is it possible for a general contractor to handle a small commercial remodel?

Yes. While there are occasions when a general contractor is needed for a small renovation, it happens when a number of trades or closely coordinated activities are required. If a repair has to be done, it could be more of a type of repair that requires less supervision if it is limited to one trade.

How does a Commercial General Contractor bill for a project?

The price could be set as a fixed amount, or as a cost-plus model (or other mutually agreed pricing model). The proposal shall describe the charges, allowances, and exclusions, and any additional work done afterwards.

To what party does the construction budget report?

Budget changes are typically approved by the owner or by the owner's representative, via the contract's change procedure. Written documentation shall include an explanation of the revised work and of cost and schedule impacts.

Will my business be open for construction?

Sometimes. Continuing operation requires the work, safe access, utility, and applicable requirements. Be sure to review the phased construction and temporary closures prior to finalizing the construction timeline.

At what time is it necessary to hire a contractor for project planning?

Include a contractor early so that the contractor can help you determine what construction expenses you can anticipate, what constraints are operating at the site, and the schedule is available. In more advanced plans, it is typically possible to provide more detail on pricing.

What can I expect to be given at the end of construction?

Closeout documents can vary based on the contract and project, and may include warranties, equipment instructions, inspection records, and a punch list. Reach a mutual consensus of what documents will be handed over before construction starts.