DIY
Interior Door Installation Cost: What to Expect and How to Plan
TL;DR
The cost to install an interior door typically ranges between $150 and $700, depending on factors like door type, material, labor, and whether it’s a prehung or slab door. Custom installations or modifications can raise the price. Planning ahead and knowing what to expect helps keep your home improvement project on track.
Budgeting for Beauty: How Much Does Interior Door Installation Cost
Thinking about upgrading your home’s interior? Before you pick out your favorite door style or finish, it’s important to understand one key detail—interior door installation cost. From material choices and labor to whether you’re working with a prehung or slab door, the price can vary more than you might think. In this guide, we’ll walk you through everything you need to know to budget smart and make confident decisions for your next project. Whether you’re a seasoned DIYer or calling in the pros, getting the numbers right is step one.
Need expert advice or a quote on your new door? Contact Builders Surplus or call us at 866-739-1636 to connect with our knowledgeable team.
Why Understanding Interior Door Installation Cost Matters
Whether you’re upgrading a few rooms or renovating an entire home, knowing the cost of installing interior doors helps you plan better. Interior doors play a key role in privacy, style, and overall flow in your space. From a simple bedroom door to something more elaborate like a glass-panel French door, costs can vary widely.
Average Interior Door Installation Cost
Interior door installation typically falls into the range of $150 to $700 per door, but the final price depends on multiple factors:
| Type of Door | Average Installed Cost |
| Hollow core slab door | $150–$250 |
| Solid core slab door | $250–$400 |
| Prehung door | $300–$500 |
| French doors (interior) | $500–$700 |
| Pocket or barn doors | $400–$1,000 |
Keep in mind these are ballpark figures. Customizations or structural adjustments may increase your total cost.
Factors That Influence Cost
1. Door Type
A standard hollow core door is the most budget-friendly option. On the other hand, solid wood or glass-paneled doors cost more due to material and weight.
2. Prehung vs. Slab
- Slab doors are just the door itself. They cost less upfront but require more labor during installation.
- Prehung doors come with a frame and hinges, simplifying installation but increasing material cost.
3. Labor Rates
Expect to pay between $70 and $120 per hour for professional door installation, depending on your region. Labor makes up a significant portion of the total cost, especially if adjustments to the rough opening or trim work are needed.
4. Custom Sizing or Modifications
Older homes or special design projects may require resizing or custom fitting, which can add $50–$200 or more to the total cost.
DIY vs. Hiring a Pro
Doing it yourself? You can save on labor, but it’s not always straightforward. A DIY interior door install may take several hours if you’re not experienced—especially if you’re trimming the door, aligning hinges, or cutting new latch holes.
Hiring a pro? The job will likely be quicker and cleaner. If you’re replacing multiple doors or upgrading to solid-core or decorative trim, it’s a worthy investment to have it done right.
Cost-Saving Tips for Interior Door Installation
- Bundle installation: Installing multiple doors at once can reduce the per-door labor cost.
- Choose standard sizes: Custom doors or irregular openings add time and money.
- Reuse existing hardware: If your hinges and knobs are still in good shape, keep them!
- Check local promotions or clearance inventory: You might find high-quality options at a fraction of the regular price.
When to Consider a Custom Door
If your home has non-standard openings, or you’re after a specific look (like a barn door or a unique panel design), a custom door is the way to go. Though it costs more—often between $500 and $1,200 installed—the result is a tailored solution that elevates your home’s style.
Materials and Their Impact on Cost
Material choice directly affects both the price and the feel of your doors:
- Hollow Core (most affordable): Lightweight, good for interior privacy, but less soundproof.
- Solid Core: Heavier and better for sound insulation.
- Solid Wood: Beautiful and durable, but the most expensive and may require more framing support.
- Glass or Decorative Panels: Best for areas like offices or formal dining rooms, but come at a premium.
Installing Trim or Decorative Moulding
Interior door projects often go hand-in-hand with millwork upgrades, like casing, base moulding, or crown moulding. Adding decorative trim enhances the overall finish but will add to your labor and material costs. For homeowners focused on style and detail, this is an area worth investing in.
Final Thoughts on Interior Door Installation Cost
Whether you’re upgrading to modern doors or finishing out a remodel, understanding the costs associated with interior door installation helps you make informed choices. From selecting the right material to deciding between prehung or slab styles, the right planning ensures your home improvement project stays on time and on budget.
Ready to start your door project? Builders Surplus is here to help with affordable prices, quality products, and expert support. We serve homeowners and contractors throughout Massachusetts, Rhode Island, and Connecticut. Visit one of our locations or contact us online or call 866-739-1636 today!
FAQ: Interior Door Installation Cost
Q: Is it cheaper to install a door in new construction or as a replacement?
A: New construction typically costs less because it avoids demolition or modifications to an existing frame.
Q: How long does it take to install an interior door?
A: A professional can install a standard door in about 1–2 hours. Complex jobs or custom fits take longer.
Q: Can I install a door myself to save money?
A: Yes, especially if it’s a slab replacement. Just be sure you have the right tools and time.
Q: What is included in the installation cost?
A: Typically, removal of the old door, installing the new one, adjusting the fit, and cleanup. Frame repair, painting, or hardware upgrades may cost extra.
Q: Do I need a permit to replace an interior door?
A: Usually not for interior doors unless you’re altering structural elements or fire-rated partitions.
Photo by Ksenia Chernaya