COST CALCULATOR

How Much Does It Cost To Install A Door Knob?

Typical range: $154-$365

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cost to install a door knob Calculator

For your project in zip code 43215 with these options, the cost to install a door knob starts at $60.94-$144.09 per knob. Your actual price will depend on job size, conditions, finish options you choose.

Doorknobs are often an afterthought, but the styles, colors and functions available can add to a room's aesthetic appeal while enhancing security through various lock options. While most doorknobs are relatively simple to install, a professional can make the project easier and ensure that doorknobs are securely attached and properly aligned.

Cost Calculator
Calculations are dependent on where you live
Knobs
Standard ServicesQuantityLowHigh
What you can expect
Range per knob:$51.42$121.60
Range for this type of project:$154$365
Estimate: $260
Door Knob Installation Cost
3
knobs		$79$124
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Cost of door knob for interior door, with privacy lock and 7 finish options.
Basic Labor for Door Knob Installation
2
hours		$73$238
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Labor costs for thorough installation under standard conditions. This will start with a full assessment of the space. Your team will execute preparation, installation and cleanup. They will fabricate holes, install mortises for cylinder door handle set and jamb strike plate, install the handle set itself, and adjust the strike plate as needed.
Job Supplies for Door Knob Installation
3
knobs		$3$3
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Standard supplies used in the installation process. Fasteners, shims, flashing, drip cap, perimeter foam insulation, and exterior caulking are among the materials covered by this fee.
Standard services
Door Knob Installation Cost
$79 -$124
arrow_drop_down
3
knobs
Cost of door knob for interior door, with privacy lock and 7 finish options.
Basic Labor for Door Knob Installation
$73 -$238
arrow_drop_down
2
hours
Labor costs for thorough installation under standard conditions. This will start with a full assessment of the space. Your team will execute preparation, installation and cleanup. They will fabricate holes, install mortises for cylinder door handle set and jamb strike plate, install the handle set itself, and adjust the strike plate as needed.
Job Supplies for Door Knob Installation
$3 -$3
arrow_drop_down
3
knobs
Standard supplies used in the installation process. Fasteners, shims, flashing, drip cap, perimeter foam insulation, and exterior caulking are among the materials covered by this fee.
Optional Services
What you can expect
Range per knob:
$51 - $122
Range for this type of project:
$154 - $365
Estimate:
$260
Cost Comparison
YOUR ESTIMATE
$260
NATIONAL AVERAGE RANGE
$160 -$379
YOUR ESTIMATE

Install a door knob: national average cost

The national average materials cost to install a door knob is $41.45 per knob, with a range between $32.24 to $50.66. The total price for labor and materials per knob is $122.72, coming in between $70.91 to $174.53. Your actual price will depend on your location, job size, conditions and finish options you choose.
cost to install a door knob
National Avg. Materials Cost per knob$41.45
National Avg. Cost (labor and materials) for 1 knob$122.72
National Cost Range (labor and materials) for 1 knob$70.91 - $174.53

Style of Doorknob

A doorknobs appearance is often the deciding factor as homeowners want it to match with a room's overall theme or decor. A simple round knob of a solid color might fit into some environments, while a lever handle with a burnished metal look may be more appropriate for others. The door plate around the handle can also add sculptured layers to the door's appearance while providing protection to the surface surrounding the handle.

Security Options

When it comes to security, there are three main types of doorknobs:

  • No lock. The simplest design has no locking capabilities at all and offers no added protection.
  • Simple keyless lock. This design has a lock that can be operated from one side of the door, preventing others from getting through. These are commonly used on bathrooms or bedrooms. In case of emergency, there is usually a small hole or indentation in the knob on the other side allowing access with a small tool if needed.
  • Key lock. This is the most secure option for a doorknob. One side has a simple mechanism to operate the lock, and the other side can be unlocked with the unique key provided with the doorknob. A locksmith can usually rekey this type of door lock if the original key is lost or compromised.

Fit The Door Pattern

The new doorknob must also match the pattern of holes in the door. The diameter of the hole, the length of the plunger and the thickness of the door must all be taken into consideration to ensure that the knob fits properly.

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