At Coastal Windows, we’re so confident about the durability of our custom windows and doors that we stand behind them with a lifetime guarantee. When you choose a Coastal Windows product, you can rest assured it is handcrafted and engineered to last for years to come. We proudly believe in the quality and workmanship of every Coastal window and sliding door we manufacture, which is reflected in our written warranties.

The applicable warranty is based on the original date of product purchase. For Coastal windows and doors purchased on or after May 10, 1999, the warranty information is available for immediate download. Click on the title below to see the complete warranty.

Lifetime Warranty

Residential structures under three stories.

Commercial Warranty

Commercial and residential structures three stories and over.

Export Warranty

Markets outside the State of Hawaii.

DESIGNED PRECISELY. MANUFACTURED LOCALLY. INSTALLED EXPERTLY.

At Coastal Windows, we take pride in being a locally owned, second-generation family business that specializes in designing and manufacturing a complete line of  superior-quality, custom windows and doors in Hawaii.

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Coastal Windows, Inc. BBB Business Review

Coastal Windows LogoCoastal Windows, Inc.
Office, Showroom and Manufacturing
94-533 Puahi Street • Waipahu, Hawaii 96797
Tel: 808.676.0529 • Fax: 808.676.0823
Lic. #BC-18663

©Copyright 2022 Coastal Windows