Updated June 2026 · Local pricing for the Boulder metro area
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Prices estimated using the NailThePrice Local Cost Model™ — national averages adjusted for Boulder's labor rates, cost of living, and material pricing.
The cost to install french doors in Boulder ranges from $1,660 to $6,640, with most homeowners paying around $3,880. Your actual cost depends on several factors specific to your home and the Boulder market.
Steel is cheapest ($600–$1,500). Fiberglass is mid-range and low-maintenance ($1,000–$3,000). Solid wood is premium ($1,500–$5,000+).
Exterior French doors need weatherstripping, a threshold, and security hardware, adding $300–$800 over interior installations.
If the opening needs to be widened or created in a load-bearing wall, a structural header adds $500–$2,000 in framing and engineering costs.
Adding sidelight windows or a transom above the doors increases cost but dramatically enhances the appearance and natural light.
Basic hardware costs $50–$100. Premium locksets, handles, and multi-point locking systems for exterior doors run $200–$600.
Mountain region costs are rising with population growth. High altitude and variable weather can affect project timelines. Skilled trade labor is in high demand in booming markets.
Most homeowners start by thinking about appearance, but French doors usually end up changing traffic flow, furniture layout, lighting, and how the room actually gets used day to day.
I've noticed the best installations usually pay attention to the space around the doors just as much as the doors themselves. Flooring transitions, sightlines to the yard, swing clearance, exterior lighting, and weather exposure all affect whether the doors feel natural or awkward once people actually live with them.
The projects that age best are usually the ones where the doors matched the scale and style of the house instead of trying to force a dramatic statement into a space that didn't really support it.
Budget $52–$210 for permits and inspections. Your contractor typically handles the permit process, but confirm this upfront.
Hiring a pro? Make sure they're properly licensed — see how to get licensed as a window installer in Colorado.
UV-blocking glass is important to protect interiors from sun damage. Consider windows with built-in blinds or external shading for south and west-facing exposures.
While possible for experienced homeowners, French door installation involves significant complexity. In Boulder, you may still need a licensed pro for permits and inspections. DIY could save $1,358–$1,746 in labor.
Compare licensed, insured contractors serving Boulder.
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The average cost to install french doors in Boulder ranges from $1,660 to $6,640, with most homeowners paying around $3,880. This estimate includes both labor ($1,940) and materials ($1,940). Costs in Boulder are higher than the national average due to local cost of living and labor market conditions. Get multiple quotes from licensed Boulder contractors to lock in the best price.
Yes, Boulder typically requires a permit for French door installation. Budget $52–$210 for permit fees and expect 1–2 weeks for approval. Your contractor typically handles the permit application. Working without a required permit can void warranties and create problems when selling your home.
Most French door installation projects in Boulder take 1–2 days to complete. The timeline depends on project scope, contractor availability in the Boulder metro area, and seasonal demand. Scheduling during Boulder's off-peak season (typically fall and winter) can reduce wait times and may lower costs.
Modern French doors with Low-E glass and proper weatherstripping are reasonably energy-efficient, though they allow more heat transfer than solid walls. For the best energy performance, choose double-pane or triple-pane glass and ensure the door is properly sealed. The glass area means they'll never insulate as well as a solid wall.
French doors offer a more traditional look, swing fully open for wide access, and seal more tightly. Sliding doors save space (no swing radius), provide wider glass panels, and cost less. Choose based on your aesthetic preference, available wall space, and whether you need maximum opening width.