The cost of installing a new door can vary significantly depending on whether it's an interior or exterior door. For an interior door, costs range from $225 to $825 on average. This price typically includes the door slab itself, as well as the labor for professional installation. Interior doors come in a wide range of materials like hollow-core, solid wood, or fire-rated options, which impacts the overall cost.

When it comes to exterior doors, the costs are generally higher due to the added requirements for weather resistance, security features, and energy efficiency. On average, you can expect to pay between $500 to $1,900 for an exterior door installation. This higher price range accounts for the more durable and insulated door materials like steel, fiberglass, or solid wood. It also factors in any additional components like sidelights, transoms, or decorative glass elements that may be included.

The average cost to move an interior door ranges from $600 to $1,400. This includes the labor costs for a professional contractor or handyman, as well as any necessary materials like a new door jamb, trim, and hardware.

Factors that can impact the overall cost include the complexity of the project, the type of door being moved (standard, fire-rated, pocket door, etc.), and any additional work needed like relocating electrical outlets or HVAC vents. If you're hiring a general contractor rather than a handyman, their rates may be higher, but they can coordinate all aspects of the job.

The cost to widen an interior doorway can range from $500 to $2,500 on average. The total expense depends primarily on whether the doorway is in a load-bearing wall or not.

If the wall is non-load-bearing, the project is relatively straightforward. It involves removing a section of the existing wall framing to create a wider opening and then installing a new header above the enlarged doorway to support the weight above it.

For a non-load-bearing wall, you can expect to pay around $500 to $1,200 for labor and materials to widen a standard interior doorway by 12 to 24 inches. This lower end of the price range assumes the doorway is located in a drywall or wood-framed wall with easy access.

Installing a new door can take anywhere from 1 to 8 hoursdepending on the type of door and complexity of the project. For a standard interior door installation, it typically takes 1 to 3 hours for a professional to complete the job. This includes removing the old door and trim, making any minor adjustments to the opening, hanging and securing the new door slab, installing the hardware like hinges and knobs, and adding new trim/molding.

Exterior door installations tend to be more involved, taking 3 to 8 hours on average. This allows time for properly sealing and insulating the opening, hanging the new pre-hung door unit which is heavier and bulkier, and ensuring it operates smoothly while providing a proper weather-tight seal.

When choosing a door company, consider the following:

• Reputation and experience: Look for a well-established company with a proven track record in the industry. Check online reviews, ratings, and testimonials from previous customers to gauge their reputation for quality products and reliable service.
• Product selection: Evaluate the range of door styles, materials, and options offered by the company. Ensure they have the specific type of door you need (interior, exterior, patio, etc.) in the design and finish you prefer.
• Customization options: If you have specific requirements or need a non-standard size, look for a company that offers customization services to meet your needs.
• Warranty and guarantees: Compare the warranties and guarantees provided by different companies. A comprehensive warranty can give you peace of mind and protect your investment.
• Installation services: Determine if the company offers professional installation services or if you need to hire a separate contractor. Professional installation can ensure proper fitting and operation of the door.
• Pricing and value: Get quotes from multiple companies and compare not only the upfront costs but also the overall quality, warranties, and additional services.
• Customer service: Assess the company's customer service reputation by reading reviews on HomeGuide and Google and checking how responsive and helpful they are when you have inquiries.
• Local presence: If you prefer to work with a local company, consider their proximity to your location for easier communication and potential on-site consultations.

How a door installation company answers the following questions can help you determine if they are right for your project:

• Are you licensed, bonded, and insured?
• How long have you been installing doors?
• What types of doors do you install (interior, exterior, patio, etc.)?
• Do you offer a warranty or guarantee on the installation work?
• Can you provide references or examples of previous door installation projects?
• What is included in the installation service?
• Do you obtain any necessary permits for the work?
• How do you protect floors and surrounding areas during installation?
• What are your payment terms and schedule?
• How long will the installation take from start to finish?
• Do you provide free in-home consultations or quotes?
• What additional costs could I expect beyond the quoted price?