LocalProjectBudget

Install One Window Cost in Seattle, WA in 2026

Most Install One Window projects in Seattle, WA cost between $625 and $2,500. The typical price is $1,200.

A single window carries the full trip and setup charge, so it costs more per unit than a multi-window job.

Labour and materials in Seattle run about 20% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.

What drives the price

  • Vinyl, fibreglass or wood-clad frames
  • Double versus triple glazing and low-E coatings
  • Full-frame replacement versus insert into the existing frame
  • Custom sizes, bays, bows and arched tops

Usually included

  • Windows, frames and hardware
  • Removal and disposal of the old units
  • Installation, insulation and interior trim
  • Exterior caulking and capping

Usually extra

  • Rotten sill or framing repair found on removal
  • Interior painting
  • Permits where required

Unit prices in Seattle, WA

Quality tierCost each
Budget$630
Mid-range$1,200
High-end$2,500

Window replacement companies in Seattle, WA

Businesses listed on Google near Seattle, WA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.

Install One Window costs nearby