How Much Does a General Contractor Cost?

ByBNW Staff

If you’re getting ready to hire a general contractor for a kitchen remodel, an addition, or a full renovation, money is usually the first question and the hardest one to pin down. Quotes can range from a few thousand dollars to six figures, and the home improvement contractor cost isn’t just labor and materials — it includes the fee for managing the entire job from permits to final walkthrough.

This guide breaks down what contractors actually charge, how they set that fee, and what changes the number, so you can budget with real figures instead of guesswork before you ever sit down with a contractor to talk scope.

What You’ll Actually Pay

General contractor fees for a house project typically fall in a narrow band once you strip away the noise. On a $40,000 kitchen remodel, the average general contractor fee lands around $4,000 to $8,000. On a $300,000 addition, it can run $30,000 to $60,000. The number moves with project size, but the underlying math stays consistent no matter how big or small the job is.

David Haziza, a general contractor in Bergen County NJ, sees the same pattern hold across most residential jobs: fees toward the higher end usually reflect closer supervision and more coordination, not padding.

How Contractors Price the Job

General contractors typically use one of three pricing models, and knowing which one you’re quoted under matters as much as the number itself. Each model shifts risk between you and the contractor in a different way, so it’s worth asking directly which one applies to your job.

  • Percentage fee: the fee ranges from 10 to 20 percent of the total build, scaled to size and complexity, and adjusted as the scope firms up.
  • Fixed price: a single number covering the full project cost, agreed on before work starts, best for well-defined jobs with a clear set of finishes already chosen.
  • Hourly rate: common on smaller jobs, hourly rates usually run $50 to $150 depending on trade and region, and often come with a minimum hour commitment.

Ask which model contractors charge under before comparing bids. A percentage fee and a fixed price can look identical on paper but shift risk very differently if the project runs long or hits a snag mid-build.

What Drives the Total Cost

Fees vary based on more than square footage. A few factors carry the most weight, and understanding them helps explain why two bids for the same job can land far apart.

  • Location: labor and permit costs run higher in dense metro areas than in rural markets, and local code requirements add time to the process.
  • Project complexity: structural work, historic restoration, or multi-story additions demand more oversight than a cosmetic refresh, since more trades need to be sequenced correctly.
  • Materials and finishes: swapping laminate for quartzite or vinyl siding for stonework changes both the material bill and the skill needed to install it.

David Haziza, a general contractor in Bergen County NJ, has run into this firsthand on older homes in the area, where opening a wall reveals outdated wiring or framing that wasn’t part of the original quote, adding both time and cost once work is underway.

A contractor sources materials and labor for the entire job, coordinating plumbers, electricians, and carpenters, each bringing specialized skills that carry their own labor costs and their own scheduling demands.

Average Cost by Project Type

These figures line up with industry standards gathered from contractors nationwide, though every market shifts the baseline up or down depending on local demand and housing stock.

  • Kitchen remodel: $25,000 to $75,000
  • Bathroom remodel: $15,000 to $35,000
  • Home addition: $50,000 to $150,000
  • Whole-home renovation: $100,000 to $500,000 or more
  • New home construction: $250,000 to $1,000,000 or more

On complex builds with heavy change orders, that fee can climb to 20 of the total budget by the time the project wraps, especially when design decisions keep shifting after work has already started.

Comparing Bids the Right Way

Get at least three quotes before signing anything, and look past the bottom-line number. A bid that’s 15 to 20 percent below the others usually means missing insurance, low-grade materials, or fees added later as “unforeseen” change orders once you’re already committed to the job.

That percentage fee covers more than profit. It includes contractor markup: overhead like liability insurance, permits, and daily job site logistics such as dumpster service and site security, not just the visible work happening on any given day.

Reputable contractors set up a payment plan tied to milestones like framing or final inspection, not a lump sum upfront. Be wary of anyone asking for a large deposit on a credit card or a wire transfer before a contract is signed, and treat any request for more than 20 percent down as a reason to slow down and ask questions.

Whether it’s a small upgrade or a full gut renovation, insist on a written scope of work that lists tasks, materials, and allowances by line item. Vague one-line descriptions like “kitchen remodel” leave too much room for disagreement once the job is underway. It’s also worth reviewing home improvement financing options early, since some lenders offer better terms than paying a contractor directly out of pocket.

Bottom Line

A general contractor is essentially your project manager: hiring subcontractors, pulling permits, and keeping the schedule on track so you’re not doing that job yourself. The fee pays for that coordination, not just what happens on-site, and it covers the risk the contractor absorbs on your behalf.

Once you understand how the percentage breaks down, the total cost of your project stops being a mystery. Get multiple bids, ask how each contractor prices the job, and compare based on scope, not just the number at the bottom of the page. That’s how you end up with a contractor who actually delivers what was promised.