Looking for an impact window installer in Grand Isle, LA? Describe your project once and up to three impact window installers who work in Grand Isle and Jefferson Parish get back to you with a quote. It's free and there is no obligation.
Grand Isle is home to about 991 people (2024 Census Bureau estimate), a shrinking community (−1.4% since 2020). With 155 people per sq mi, it is a semi-rural area. Hurricane exposure and insurance costs make impact windows a common upgrade here.
Grand Isle at a glance
- Population (Census Bureau estimate, 2024)
- 991 (−1.4% since 2020)
- Rank in Louisiana
- 157th of 304 cities and towns
- Land area
- 6.4 sq mi
- Population density
- 155 people per sq mi (semi-rural)
- Type
- Town (Grand Isle town)
- Main county
- Jefferson Parish
What to check before hiring in Grand Isle
- Product approval: in Louisiana, products must be approved for the local wind zone.
- Permit: keep the permit and approvals for your wind mitigation report.
- Lead times: custom windows can take weeks to arrive; plan before hurricane season.
- Price drivers: number and size of openings, frames, glass and installation.
Useful official resources
-
Florida Building Commission
Official information and guidance.
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Florida Office of Insurance Regulation
Official information and guidance.
Services available in Grand Isle
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Impact window installation
Supply and installation of approved impact windows, with the permit.
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Impact doors and sliders
Impact entry doors, French doors and sliding glass doors.
Frequently asked questions in Grand Isle
How much do impact windows cost in Grand Isle, LA?
It depends on the number and size of openings and the products. Describe your home: installers who serve Grand Isle reply with a quote.
How long does installation take?
Often a few days once products arrive.
Are there financing programs?
Some states and local programs finance hardening; ask installers.
Which impact window installers will contact me?
Up to three independent impact window installers who serve Grand Isle and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.