Question 1

How much does it cost to have an interior door knob installed?

Accepted Answer

National baseline, before Washington adjustments: Install Interior Door Knob typically costs $100-$250 each. Your final price depends on project size, site conditions, and finish level.

Question 2

What are the material costs for installing a door knob?

Accepted Answer

National baseline, before Washington adjustments: Material costs for Install Interior Door Knob usually run $45.00-$112.00 per unit. Product grade and finish selection drive most of that spread.

Question 3

How much does labor cost for door knob installation?

Accepted Answer

National baseline, before Washington adjustments: Labor for Install Interior Door Knob usually runs $35.00-$88.00 per unit. Access, prep work, and installation complexity drive the labor range.

Question 4

Are there any extra costs besides labor and materials for door knob installation?

Accepted Answer

National baseline, before Washington adjustments: The $100-$250 per unit range for Install Interior Door Knob covers materials, labor, supplies, and equipment. Expect repairs to existing framing, wiring, or plumbing, hazardous-material testing, and sales tax to be quoted separately, so ask for them as line items.

Question 5

What factors affect the price of installing a door knob?

Accepted Answer

National baseline, before Washington adjustments: Install Interior Door Knob runs $100.00-$250.00 per unit. Materials ($45.00-$112.00) and labor ($35.00-$88.00) make up most of it; product grade, layout complexity, and prep work such as removal or repairs move a job within that range.

Question 6

Can I save money installing a door knob myself?

Accepted Answer

National baseline, before Washington adjustments: Labor is about 35% of the $100.00-$250.00 per unit cost of Install Interior Door Knob ($35.00-$88.00), so doing it yourself saves roughly that. You still pay $45.00-$112.00 for materials, plus tools, and mistakes cost more to fix than the labor saved.

How Much Does Install Interior Door Knob Cost in Washington, District of Columbia?

$105 – $262

What you get at each price level

Basic

Standard

Premium

Cost Breakdown in Washington

Cost Factors in Washington, District of Columbia

What Affects Pricing

Local Price Adjustments

Frequently Asked Questions

How we price this

Get Free Estimates in Washington

More Cost Intelligence for Washington

Other trades in Washington

Component	Category	Price Range	Unit
Materials	material	$47 – $118	each
Labor	labor	$36 – $92	each
Supplies & Other	supplies	$13 – $32	each
Equipment & Disposal	equipment	$8.40 – $21	each