Home Repair Decoded

Window Replacement (per window) Cost in Delaware

$370 – $1,300We estimate window replacement (per window) in Delaware at $370 to $1,300 for one standard replacement window in an existing frame. The national estimate is $370 to $1,300. Delaware carpenter pay is 2% below the national median, ranking 27 of 51.
Part of the jobLowHigh
Parts and materials (our assumption)$300$900
Labor hours (our assumption)13
Billed labor rate per hour$71$128
Estimated total$370$1,300

Our estimate, not a quote. Billed rate is the Delaware median wage from BLS (2025, $28.46 an hour) times 2.5 to 4.5 to cover payroll costs, overhead, travel and profit. How we estimate

What other publishers report

National figures as published by each source, checked 2026-11-03. Their scope can differ from ours.
PublisherLowHighScope
Fixr$450$1,200Per window, installed. Page dated January 2026.
Today's Homeowner$400$1,000Per window, national average range with materials and installation. Page dated September 2025.
Bob Vila$180$409Per window, all types, citing Angi. Page dated June 2024.
Bob Vila$100$400Pocket (insert) window. The page lists the same $100 to $400 as materials only, so its installed label is doubtful. Page dated June 2024.

Who can legally do this in Delaware

Any contractor conducting business activity in Delaware must register with the Division of Revenue and obtain a business license. This is a business license from the tax agency rather than a trade license.

Check a license with Delaware Division of Professional Regulation, Verify a License

Compared with neighboring states

StateMedian wageLowHigh
Maryland$30.27$380$1,300
New Jersey$30.77$380$1,300
Pennsylvania$28.54$370$1,300

Other carpenter jobs in Delaware

Window Replacement (per window) cost in every state · Delaware home repair guide

Sources

General information, not professional advice. Conditions, codes and prices vary. Turn off power, gas or water before any work, and hire a licensed professional when in doubt. Cost figures are our estimates, not quotes.