Exterior
Impact Window Installation: Cost, Permits & Timeline
Every opening needs an approved product and a permit.
Model reviewed August 2026
Typical cost
$18,500
$9,000 – $42,000
per window installed
$650 – $1,900
Permit
Required
$150 – $700
Timeline
1-3 days of installation
1-3 days of installation, 3-8 weeks including product lead time and permitting
Do you need a permit for impact window installation?
Yes
Impact Window Installation is permitted and inspected work in essentially every jurisdiction. Typical fees run $150 to $700. A licensed contractor generally has to pull the permit.
What drives the cost
- Number and size of openings
- Design pressure rating required for your wind zone
- Aluminum versus vinyl frames
- Stucco and drywall patching after installation
Permit, inspections and documents
| Permit status | required |
|---|---|
| Typical permit fee | $150 – $700 |
| Licensed contractor required | Usually yes |
| Owner-builder allowed | Yes, on owner-occupied homes |
| Inspections | Window buck / opening inspection, Installation and attachment, Final inspection |
| Timeline | 1-3 days of installation, 3-8 weeks including product lead time and permitting |
| DIY difficulty | 5/5 difficulty |
Documents typically required
- • Building permit application
- • Attachment and anchoring details
- • Contractor license and insurance
- • Window schedule with sizes and design pressures
Impact Window Installation cost by city
Local labor and material pricing applied to the national baseline.
| City | Typical range | vs national |
|---|---|---|
| New York | $16,000 – $74,700 | +78% |
| Los Angeles | $13,300 – $62,200 | +48% |
| Miami | $12,200 – $57,200 | +36% |
| Chicago | $11,900 – $55,700 | +33% |
| Phoenix | $9,500 – $44,300 | +5% |
| Dallas | $9,300 – $43,600 | +4% |
| Houston | $9,500 – $44,100 | +5% |
| Tampa | $10,000 – $46,800 | +11% |
| Denver | $10,600 – $49,700 | +18% |
| Orlando | $9,500 – $44,400 | +6% |
| Atlanta | $9,400 – $43,800 | +4% |
| Fort Lauderdale | $11,700 – $54,700 | +30% |
Impact Window Installation across the country
National pricing, state-by-state pricing, and the tools behind both.
Frequently asked questions
Do I need a permit for impact window installation?
In most jurisdictions this work is permitted and inspected. Requirements are set locally, so confirm the current application and inspection checklist with your building department before work starts.
How long does impact window installation take?
1-3 days of installation, 3-8 weeks including product lead time and permitting. Permit review and inspection scheduling are usually the largest source of variation.
What changes the price the most?
The largest cost drivers are number and size of openings; design pressure rating required for your wind zone; aluminum versus vinyl frames.
Sources
Sources & verification
Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.