What is the cost for window sill installation in O Fallon MO?

Home Remodeling & Home Services Cost Estimates

sills

ITEM	QUANTITY	LOW	HIGH
Window Sill Cost Non-discounted retail cost for common, mid-grade window sill.	1 sill	$2.82	$3.20
Window Sill Labor Direct labor expenses to install window sill.	2 hours	$66.98	$116.94
Window Sill Job Materials and Supplies Cost of supplies that may be required to install window sill including: fasteners, connectors, surface preparation and finishing materials.	1 sill	$19.40	$24.25
Window Sill Equipment Allowance Job related costs of specialty equipment used for job quality and efficiency, including: pneumatic finish nailer, 12" compound miter saw, biscuit joiner, detail sander.		$61.84	$83.66
Total Cost to Install Window Sills	1 sill	$151.05	$228.06
	Average cost per sill	$151.05	$228.06

This is an estimate. You can get an accurate quote for your project from a O Fallon windows pro.

Get a FREE Quote

Cost to Install Window Sills - 2025 Cost Calculator

To Install Window Sills in O Fallon you should expect to pay in the range of $151.05 to $228.06. What we use to calculate O Fallon Window Sill Installation estimates is average material costs, average hourly labor wages and labor productivity rates. To get a more accurate estimate on your Window Sill Installation in O Fallon project:

1. Pick the Location of the Project
2. Tell us the size of your Project
3. Click the "Calculate" button

Average Cost per sill for Window Sill Installation in O Fallon

The average cost to Install Window Sills in O Fallon 2025 is $151.05 to $228.06 per sill. Always make sure to make all hiring decisions carefully and to make sure the contractor is fully insured, bonded and licensed. It is a good idea to check references and verify prior work quality.
If you want to receive the best value on O Fallon Window Sill Installation projects always make sure to receive project estimates from several contractors.

Cost Breakdown for Window Sill Installation in O Fallon

Non-discounted retail costs for 1 sill of Window Sill Installation - between $2.82 and $3.20.
Direct labor costs to Install Window Sills in O Fallon - between $66.98 and $116.94.
Cost of all materials and supplies which may be necessary for Window Sill Installation , which may include: - between $19.40 and $24.25.
Costs of specialty equipment used for efficiency and job quality, which may include: - between $61.84 and $83.66.

What the O Fallon Window Sill Installation Estimate Includes:

Costs associated with worksite preparation for the Window Sill Installation in O Fallon project, which may include any costs for materials, components, protection of existing structures and finishes.
Costs for all local O Fallon materials and equipment delivery to the work site.
Costs for junk/debris removal and job cleanup after project completion.
Hourly charges, labor setup and mobilization time that are usually associated with Window Sill Installation projects.

What the Window Sill Installation Estimate Does Not Include:

Any fees for permits or inspection which may be required for the project by the O Fallon building department.
Missouri and O Fallon sales taxes on supplies and materials.
Any general contractor fees for supervision of the O Fallon Window Sill Installation project. Please add 12% to 20% to the total cost shown above if you will be hiring a general contractor to supervise this project.