Window replacement permits in Redmond: fees, timeline & requirements (2026)
Everything you need to know about pulling a window replacement permit in Redmond, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Redmond Planning and Community Development.
Free lookup, no account needed — the office that issues the permit at your address, cited to Redmond's source.
When does a window replacement need a permit in Redmond?
Removal and replacement of exterior windows in existing openings is exempt provided the opening size is not altered and the operable opening size is not decreased. Resizing or creating a new opening requires a permit.
In the source's own words
“Removal and replacement of exterior windows in existing window openings. The size of opening may not be altered and operable opening size may not be decreased.”Source ↗verified 2026-05-29
Required submittals
- If new/enlarged opening: header schedule, structural detail, WSEC NFRC sticker for U-factor
Inspection sequence
- Rough-opening inspection (if structural)
- Final
Contractor specialties needed
General contractor
Who can do this work in Redmond?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout Redmond and King County. Kolmo prepares the drawings and submittals, files the window replacement permit with Redmond Planning and Community Development, carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a Redmond window replacement quote.
Notes & caveats
WSEC R402.4: replacement windows must meet U-factor ≤0.30 (climate zone 4C/5B applicable to most WA). Egress sleeping rooms must retain compliant opening (R310).
Window replacement permit fee estimate in Redmond
Worked example for an $8,000 window replacement project (building permit). Your actual fee scales with project valuation.
| Building permit fee | $305.66 |
| Plan review | $198.68 |
| Technology surcharge | $20.17 |
| WA state surcharge | $6.50 |
| Estimated total | $531.01 |
Redmond prices a window job's building permit on the value of the work: $46.89 up to $500, $46.89 for the first $500 plus $6.08 for each $100 more up to $2,000, $138.26 for the first $2,000 plus $27.90 for each $1,000 more up to $25,000, and $781.12 for the first $25,000 plus $20.17 for each $1,000 more up to $50,000. Plan review is 65% of that fee. A 4% technology surcharge applies to the total, plus the $6.50 state building code fee (2026 fee schedules). Apply through the Redmond ePermitting Service, REPS (cityofredmondwa-energovweb.tylerhost.net/
How to apply yourself
- 1. Check who issues the permit. Run an address lookup for your window replacement in Redmond — we'll confirm which office issues the permit at that address.
- 2. Assemble submittals: what Required submittals above lists.
- 3. Submit through the city portal: Redmond Planning and Community Development ↗
- 4. Track review. Respond to reviewer comments promptly.
- 5. Pay issuance fees (about $531 for an $8,000 project) and pick up the permit. Inspection card travels with the job.
Or have Kolmo do it
Kolmo prepares the drawings and submittals, files with Redmond Planning and Community Development, handles reviewer comments, and builds the project.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Window replacement permits in Redmond — FAQ
When does a window replacement need a permit in Redmond?
Removal and replacement of exterior windows in existing openings is exempt provided the opening size is not altered and the operable opening size is not decreased. Resizing or creating a new opening requires a permit.
How much does a window replacement permit cost in Redmond?
For a $8,000 window replacement project, the estimated Redmond permit fee is about $531.01 (building fee $305.66 + plan review $198.68 + surcharges) from Redmond's adopted fee schedule. Land use, fire and engineering review, intake, impact and utility fees, where they apply, are charged separately.