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Cerletti & Kennedy Design-Build is an Andersen Windows Certified Contractor in Walnut Creek, CA

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Cerletti & Kennedy Design-Build

A helping hand is just a call away

Choosing the right contractor is one of the most important decisions you’ll make when starting your home improvement project. Bring your vision to life with a trusted pro and start your project right.

Customized Service You Can Rely On As a design-build contractor, we will be with every step of the way, from the designing, planning, and permitting processes to the building and completion of your project. Trust that when you hire us, you will receive our undivided attention. Our services are personalized and customized according to your needs and requirements. Full-Service Design-Build Contractor We are a full-service contractor with staff dedicated to designing, planning, and constructing.

Added peace of mind

When you’re ready to replace your windows, we’re here to help. As an Andersen Certified Contractor, we’re backed by the #1 trusted and recommended window and door brand*, are expertly trained, offer quality Andersen products and are dedicated to making your dream home a reality.

Andersen Certified Contractors receive training on installation best practices and Andersen product options so they can help you select the right window or door for your home

*2020 Andersen brand surveys of U.S. contractors, builders, and architects. 

Vetted, trained and backed by the industry leader

Extensive window and door replacement knowledge

Access to the full Andersen portfolio of products

Offer a 2-year installation warranty + standard Andersen Owner-to-Owner® limited warranty

Why Andersen

Customers have looked to Andersen as an industry leader to provide windows and doors that are different and better for over 115 years. Continually setting higher standards, Andersen continues to inspire with products for the way you live, performance for the comfort and security you desire, and design options to achieve your style.

With a commitment to providing windows and doors that perform year after year, it’s no wonder Andersen products rate #1 in quality*.

*2020 Andersen brand surveys of U.S. contractors, builders, and architects.

Find the right product for your home

Andersen offers a variety of products to fit any home style and performance need.

In fact, realtors and homeowners agree that Andersen® products increase the value of a home by at least 10%*


Uniquely Andersen, incredibly strong

Made of innovative Fibrex® composite material that’s 2X stronger than vinyl and environmentally responsible, Andersen® 100 Series windows and patio doors offer superior strength and durability.

Andersen Windows from Cerletti & Kennedy Design-Build in Walnut Creek, CA | Andersen Windows Certified Contractor


The Windows Contractor Trust the Most

Andersen 400 Series products offer the superior design, reliability and durability to satisfy just about any window or door need. It’s why they’re the clad wood window more contractors recommend and would choose for their own home.

Andersen Windows from Cerletti & Kennedy Design-Build in Walnut Creek, CA | Andersen Windows Certified Contractor