When a general contractor shows up at your home, it's often unclear what work actually falls under their services versus what you're hiring separately. Understanding the scope of general contracting—especially for additions and renovations—saves you money, prevents disputes, and keeps your project on track.
What General Contractors Actually Do
General contractors serve as the project manager and primary tradesperson for construction jobs. They handle the big-picture coordination: pulling permits, scheduling subcontractors, ordering materials, managing the budget, and ensuring the work meets local building codes. Rather than doing every task themselves, they oversee the entire operation from start to finish.
For additions and remodeling specifically, this means they're responsible for the structural integrity of the work, not just cosmetic finishes. If something goes wrong—a wall is load-bearing and can't be removed without support, or electrical work doesn't meet code—it's their responsibility to catch it or fix it.
Core Services Included in General Contracting
Most general contracting packages include:
- Project management: Timeline planning, daily site supervision, and coordination of multiple trades
- Permitting and inspections: Securing required permits and scheduling inspections (though some contractors charge extra for permit fees)
- Demolition and site prep: Removing existing structures, walls, or fixtures; preparing the space for new work
- Framing and structural work: Building new walls, installing headers, reinforcing foundations, or adding load-bearing elements
- Rough-in systems: Running electrical, plumbing, and HVAC lines before drywall installation
- General labor: Hauling debris, moving materials, and assisting specialized trades
- Cleanup and final walkthrough: Removing construction debris and verifying work quality
What Typically Costs Extra
Here's where misunderstandings happen. Many services fall outside the base contract:
Specialized trades like electricians, plumbers, and HVAC technicians are often billed separately, even though the general contractor coordinates them. Get itemized quotes showing labor rates for each trade.
Design and architectural services usually cost $1,500–$5,000+ depending on complexity. Some contractors offer basic design; others refer you to architects. Clarify upfront.
Premium materials beyond standard options (high-end flooring, custom cabinetry, stone countertops) add significant costs and aren't always included in the base labor estimate.
Change orders are unavoidable on most projects. Expect 10–20% of your budget reserved for unexpected issues discovered mid-project. Hidden water damage, outdated wiring, or structural surprises can add $2,000–$10,000+.
Permits and inspections typically run $500–$2,000 depending on your location and project scope. Some contractors include this; others don't.
Questions to Ask Before Hiring
Before signing a contract, clarify these specifics:
- What's included in your quote? Request an itemized breakdown showing labor, materials, permits, and what isn't covered.
- Who handles subcontractors? Confirm the general contractor manages scheduling and pays subs directly—not you.
- What's your payment schedule? Standard is 10% upon signing, 80% during work, 10% upon completion. Avoid paying more than 50% upfront.
- How long will this take? Realistic timelines: kitchen remodels (4–8 weeks), bathroom additions (6–10 weeks), second-story additions (12–16 weeks).
- Are inspections included? Confirm the contractor arranges required code inspections at no extra cost.
- What's your warranty? Quality contractors offer 1–2 year workmanship warranties and pass through manufacturer warranties on appliances and fixtures.
Comparing Quotes Accurately
When you get multiple quotes, they won't look identical—and that's the point. One contractor might include architectural renderings; another includes upgraded framing materials. Compare line-by-line, not just bottom-line numbers.
Check references and verify licenses through your state's contractor licensing board. A low bid from an unlicensed or uninsured contractor can cost you tens of thousands if something goes wrong.
If you're comparing multiple general contractors, tools like Mercoly let you review and compare trusted providers in your area side-by-side, making it easier to spot realistic pricing and scope differences.
Frequently Asked Questions
Q: Do general contractors handle permits, or do I need to do that myself? A: Licensed general contractors pull and pay for permits as part of their standard service—it's included in most contracts. Confirm this before hiring, as some contractors pass permit costs to the homeowner.
Q: How much should I budget for unexpected costs on an addition? A: Reserve 15–20% of your total project budget for change orders and unforeseen issues like structural repairs or code updates discovered during work.
Q: What's the difference between a general contractor and a handyman for remodeling work? A: General contractors are licensed, insured, and handle complex projects requiring permits and multiple trades; handymen handle smaller repairs and don't manage large renovations or additions legally.
Ready to get started? Compare vetted general contractors in your area today.