Price disclaimer: All figures in this guide are general reference estimates based on national US averages. Actual costs will vary depending on your location, the contractor you hire, door specifications, and site conditions. Always request itemized written quotes from at least three licensed installers before committing to a project.
French door installation costs vary more than most homeowners expect, and the difference between a straightforward replacement and a new structural opening can run into thousands of dollars. Understanding what drives that range before you start calling contractors puts you in a much stronger position. This guide breaks down the cost to install French doors across four common scenarios, with separate figures for supply, labor, and total spend.
The cost to install French doors in the US typically ranges from $1,300 to $5,500 for exterior doors and $600 to $3,000 for interior doors, including supply and labor. A like-for-like replacement in an existing opening costs between $1,300 and $2,500. Creating a new structural opening can push the total to $5,000 or more. Labor alone typically runs $300 to $800 per door set.
What Drives the Cost to Install French Doors?
Before looking at specific numbers, it helps to understand the four variables that most significantly affect the cost to install French doors in the US. Getting a clear picture of each one early on prevents budget surprises when contractor quotes start arriving.
Installation Scenario
The installation scenario is the single biggest cost driver. Replacing an existing set of French doors in the same opening is the simplest and cheapest project. Installing French patio doors in an existing door-sized opening is a middle-ground project. Converting a window to a door-sized opening or creating an entirely new opening in an exterior wall both require framing, header work, and potentially structural modifications that significantly increase both labor hours and total cost.

Material Choice
Vinyl is the most affordable frame material and the most common choice for budget-conscious projects. Fiberglass costs more upfront but offers better energy performance and greater durability over time. Wood delivers the most traditional aesthetic and the widest range of design options but requires more maintenance. Aluminum sits at the higher end of the price range and is often chosen for contemporary home styles where slim sightlines and long lifespan are priorities.
Door Size and Glazing
Standard-size French door pairs in common widths keep costs lowest because they are mass-produced and widely stocked. Custom dimensions or oversized units add manufacturing cost and sometimes extend lead times by several weeks. Glazing type also matters: double-pane insulated glass is standard for exterior installations in most US climates, while triple-pane adds cost but improves energy performance in colder regions. Interior French doors typically use single-pane or decorative glass, which keeps their cost considerably lower.
Location and Access
Labor rates vary significantly by US region. The Northeast and West Coast, particularly major metro areas like New York City, Boston, Los Angeles, and San Francisco, carry labor premiums that can run 30 to 50 percent above national averages. The Midwest and South tend to have lower labor costs. Difficult site access, elevated installations such as second-floor openings, and tight working conditions can also increase labor time and therefore total cost.

Cost to Install French Doors by Installation Scenario
Installation scenario determines more of the final total than material choice alone. The table below breaks down supply cost, labor cost, and total estimate for each of the four most common French door installation scenarios in the US. These are reference ranges based on national averages and should be used as a starting point for budget planning, not as a substitute for contractor quotes.
| Scenario | Supply Cost (Vinyl) | Labor Cost | Total Estimate | Typical Timeline |
|---|---|---|---|---|
| Like-for-like replacement(existing opening, same size) | $700 – $1,500 | $300 – $650 | $1,300 – $2,500 | 4 – 8 hours (1 day) |
| Install in existingdoor-sized opening | $700 – $1,500 | $400 – $800 | $1,300 – $2,500 | 1 day |
| Convert window toFrench door opening | $700 – $1,500 | $800 – $1,500 | $1,700 – $3,500 | 1 – 2 days |
| New structural opening(new header required) | $700 – $1,500 | $1,500 – $3,500 | $3,000 – $5,500+ | 2 – 4 days |
These figures are national reference estimates only. Costs in high-cost metro areas (NYC, LA, San Francisco, Boston) can run 30–50% higher. Always get itemized written quotes from licensed local contractors before planning your budget.
A straightforward like-for-like replacement is consistently the most cost-effective scenario because it requires no structural changes, minimal framing work, and the shortest labor time. Each step up in scenario complexity adds significant labor hours, and creating a new structural opening introduces additional variables such as load-bearing wall assessment, new header installation, interior finishing, and potentially permit fees.
Like-for-Like Replacement
Replacing an existing set of French doors with a new set of the same size is the simplest and fastest installation scenario. The existing frame may or may not be reusable depending on its condition. If the frame is in good shape, only the door unit itself needs to be swapped, which reduces labor time considerably. Old door removal and disposal may cost an additional $50 to $150 if not included in the contractor quote, so confirm this upfront.
Installing in an Existing Door-Sized Opening
Installing a new French door set in an opening that already has a functioning door at roughly the right size is similarly straightforward when the rough opening dimensions are compatible. If the existing opening is slightly wider or narrower than the new French door unit, framing adjustments will be needed, adding labor time and materials. This is the most common scenario for homeowners converting a standard single door to a French door pair.
Converting a Window to French Doors
Converting a window to a French door installation requires removing the window, lowering the rough opening sill to floor level, adding or verifying the existing header is sized correctly for the wider opening, and finishing the exposed interior wall surface below the former windowsill. Depending on the window height and the wall construction, this can involve drywall patching, flooring extension, and exterior trim work, all of which add to the total.
Creating a New Structural Opening
Opening a wall that has no existing door or window is the most complex and expensive scenario. It requires determining whether the wall is load-bearing, installing a properly sized header if it is, building out the rough opening with jack studs and king studs, and finishing both sides of the wall. If a structural engineer assessment is needed for a load-bearing wall, that adds $300 to $700 to the project cost before any installation begins. Permit requirements also apply in most jurisdictions for new structural openings.
See more: Should Patio Doors Swing In or Out? What Homeowners Need to Know
French Door Installation Cost by Material
Material is the second biggest variable after installation scenario. The table below shows supply-only cost ranges for standard-size French door pairs by material, alongside estimated labor cost and installed total. Supply costs will vary by supplier, region, and door specifications. These are reference ranges to help with budget planning.
| Material | Supply Cost(Standard Size Pair) | Labor Cost | Total Installed(Estimate) | Best For |
|---|---|---|---|---|
| Vinyl / uPVC | $500 – $1,200 | $300 – $700 | $1,000 – $2,000 | Budget projects; low maintenance |
| Fiberglass | $1,000 – $2,500 | $350 – $800 | $1,500 – $3,500 | Energy efficiency; durability |
| Wood (pine / fir) | $900 – $2,000 | $400 – $900 | $1,500 – $3,000 | Traditional homes; paintable |
| Wood (hardwood/clad) | $1,500 – $4,000 | $400 – $900 | $2,000 – $5,000 | Premium finish; period properties |
| Aluminum | $1,500 – $4,000 | $400 – $900 | $2,000 – $5,000+ | Contemporary; longest lifespan |
Supply costs shown are estimates for standard-size units. Custom dimensions, specialty glass, multipoint locking systems, and premium hardware add to supply cost. Prices vary significantly by supplier and region.
Vinyl doors represent the lowest upfront investment and require the least maintenance, making them the most popular choice for budget-focused projects. Fiberglass costs more but performs better in climates with wide temperature swings and typically carries longer warranties. Wood and aluminum command the highest supply costs but offer the most design flexibility and, in the case of aluminum, the longest projected lifespan. For interior French doors, all materials carry lower supply and labor costs since weatherproofing and energy performance requirements do not apply.
Explore interior French door options at a range of price points: Browse French Doors at Doors and Beyond

Labor Costs Explained
Labor is the portion of the French door installation cost that most homeowners understand least, and it is also the part most likely to vary between quotes for the same project. Understanding what goes into the labor charge makes it much easier to evaluate whether a quote is reasonable.
Standard Labor Rates Across the US
Professional door installers in the US typically charge between $70 and $120 per hour, and a standard French door installation takes between two and five hours for a straightforward replacement. Total labor for a simple job runs $300 to $600. Complex projects requiring framing, header installation, or structural work can take one to four full days, bringing labor costs to $1,500 or more. Regional variation is significant: installers in the Northeast and on the West Coast often charge $35 to $65 per hour, while rates in the Midwest and South more commonly fall in the $20 to $45 per hour range.
What Labor Costs Typically Include and Exclude
Most contractor quotes for French door installation include removal of the existing door if applicable, preparation of the rough opening, installation of the new door unit including shimming and leveling, weatherstripping and caulking, and basic hardware installation. Items that are frequently excluded from the base labor quote and may be billed separately include old door disposal, significant frame modifications or repairs, interior trim and casing work, painting or staining, flooring adjustments at the threshold, and permit fees. Always ask for an itemized quote that explicitly lists what is and is not included before signing anything.

Interior French Doors: A Different Cost Profile
Interior French doors cost considerably less than exterior ones at both the supply and labor stages. Supply-only prices for interior pairs typically run $400 to $1,500 depending on material, style, and glazing. Labor for interior installation into an existing rough opening generally runs $100 to $350. There are no weatherproofing requirements, no need for energy-rated glazing, and the structural demands are lower. For homeowners who want the look of French doors on a tighter budget, starting with interior applications is often the most cost-effective path.
See more: Interior French Door Sizes: Complete Guide to Standard and Custom Dimensions
Additional Costs to Budget For
Most French door installation projects encounter at least one cost that was not in the original quote. The items below are the most common additional expenses homeowners face once work begins, and accounting for them in advance prevents mid-project budget surprises.
Structural and Framing Work
If the rough opening requires adjustment, expect to budget an additional $150 to $500 for framing materials and labor. Header replacement for a new or widened opening typically adds $500 to $1,500 depending on span length and whether the wall is load-bearing. If a structural engineer assessment is needed before work begins, that typically costs $300 to $700 separately from the installation quote. Interior finishing after structural work, including drywall, mudding, taping, and painting, adds $200 to $600 or more depending on the size of the affected area.
Permits and Inspections
Most US jurisdictions require a building permit for new structural openings in exterior walls. Permit fees vary by municipality but typically run $75 to $400 for a residential door project. Some straightforward like-for-like replacements may not require a permit, but requirements vary significantly by location. Always verify with your local building department before starting work. Proceeding without a required permit can create complications at the time of home sale, when buyers' inspectors will document unpermitted structural changes.
Disposal, Finishing, and Hardware
Old door removal and disposal costs $50 to $200 if not included in the installation quote. New trim, casing, and threshold work to match existing interior finishes runs $100 to $400 depending on material and linear footage. Upgraded hardware, including multipoint locking systems, smart locks, or premium handle sets, adds $100 to $600 above basic included hardware. A contingency of 10 to 15 percent of the total project budget is a sensible buffer for any unforeseen conditions discovered once walls are opened.
See more: Are French Doors More Secure Than Sliding Doors? A Full Comparison
How to Get an Accurate Quote
The difference between a well-budgeted project and a stressful one almost always comes down to what was agreed in writing before work started. Getting multiple quotes and knowing what to look for in each one puts you in a much stronger position as a homeowner.
What a Detailed Quote Should Include
A complete written quote for French door installation should itemize the door unit supply cost separately from labor, specify the glazing type and hardware included, describe what preparation work is included such as removal of the existing door and disposal, state the payment schedule, give a projected timeline, and list any exclusions explicitly. Quotes that combine all costs into a single lump sum without line-item detail make it difficult to compare between contractors and harder to dispute if the scope changes mid-project.
Supply-Only Versus Supply-and-Fit
Homeowners have two main approaches for sourcing French doors. Supply-only means you purchase the door unit from a retailer and hire an independent installer separately. This approach can save on retail margin but removes the single-point accountability that comes with a supply-and-fit contract. Supply-and-fit means one contractor is responsible for both the door and the installation. This is simpler to manage and makes warranty claims more straightforward, though it sometimes costs more. For exterior installations or any project involving framing work, supply-and-fit from a licensed contractor is generally the lower-risk option.
Red Flags in a Quote
Quotes that arrive significantly below the range of other estimates without a clear explanation of what has been excluded deserve careful scrutiny. Verbal agreements rather than written quotes, no mention of permit requirements for a structural project, no line items for disposal or finishing work, and contractors who are reluctant to provide license and insurance documentation are all signs worth paying attention to before committing to a project.
See more: How Much Does a French Door Cost? Tips to Save Your Money
Final Thoughts
The cost to install French doors in the US ranges from around $1,300 for a simple like-for-like exterior replacement to over $5,500 for a new structural opening with a premium door unit. Installation scenario and material are the two variables that move the number most. Understanding both before requesting quotes means you arrive at contractor conversations with a realistic budget range and the right questions already prepared.
