Estimate Breakdown

Add all required items to calculate the estimated cost for the completed work.

material

$0.00

Door Knob (material)

$30.00 × 1 EA

$ × 1 EA

$0.00

Installation Supplies

$30.00 × 1 EA

$ × 1 EA

$0.00

labor

$0.00

Labor to Install Door Knob

$30.00 × 1 HRS

$ × 1 HRS

$0.00

Demolish Existing Door Knob

$30.00 × 1 HRS

$ × 1 HRS

$0.00

Costs: $0

Markup (20%): $0

Finish Level

Project Size

Contractor Markup:

Avg. cost in St. Louis, MO $ 2,700.00

Avg. cost per EA: $225.05

Contractor Markup: $450.00

The cost of installing a door knob in St. Louis, MO, including materials and labor, varies between $140.00/EA and $265.00/EA. The price depends on the type of door knob (standard, privacy, keyed entry), the level of finish, and the condition of the existing door. Additional costs may arise if the door requires modifications or if the existing hardware needs to be removed.

Estimate Assumptions The costs associated with installing a door knob are influenced by various factors, including the type of door knob selected, the finishing level, and the condition of the existing door. Additionally, any necessary modifications to the door or removal of existing hardware can lead to additional costs. Therefore, it is essential to consider these elements when estimating the overall expense of the project.

Project Timeline The timeline for installing a door knob generally includes several phases: preparation, installation, and cleanup. Preparation may involve assessing the existing door and removing any old hardware, while installation focuses on fitting the new door knob securely. Finally, cleanup ensures that the work area is tidy and free of debris, allowing for a smooth transition back to normal use.

Door Knob Installation: Comprehensive Guide for Residential Contractors Installing a door knob is a crucial task that enhances both the functionality and security of a door. The project involves selecting the appropriate type of door knob, such as standard, privacy, or keyed entry, and ensuring that it is compatible with the existing door. The quality of materials and the expertise of labor play significant roles in the successful completion of this project, making it essential for contractors to understand the nuances of different door knob types and installation techniques.

Best Practices To ensure a successful door knob installation, contractors should follow best practices such as verifying the compatibility of the new knob with the existing door, using high-quality installation supplies, and adhering to safety measures during the removal of the old hardware. Additionally, performing quality checks after installation can help confirm that the door knob functions correctly and securely.

Conclusion The installation of a door knob is a vital home improvement task that contributes to the overall security and usability of a door. By understanding the materials, labor requirements, and best practices involved, contractors can deliver high-quality results that meet client expectations and enhance the value of the property.