About Us

Duetco Designs, LLC is a professional web development and complete marketing solutions firm based in the US. We have clients with successful relationships with many third party vendors such as; Google, Yahoo, Magento, Joomla, Wordpress, and many others. We understand what it takes to run a business, so rest assured ...



Featured Client

Autocondo was created for Rick Boysal to provide an avenue for  the ‘auto enthusiast’. His goal is to create a CAR HAVEN for the demands of every high-end, collector, muscle and race cars owners because he knows that his clients want to protect their investments. Helping to keep his client's investment appreciating in value...

Featured Client


Online Payments

Online Payments is our brand new feature! We accept checks, cash, Mastercard, Visa. Our clients can pay their invoice online! Have an invoice and need to pay, go to our online invoice payment page which you will find at the top of the page.


Visit our Payment Method Page

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Why Should I Choose Duetco Designs?

We have heard all the stories of missed deadlines, cost over-runs, disappearing developers, undelivered promises and poor customer service. Unfortunately the web and graphic industry has had more than its fair share of these stories. As a business owner looking for assistance with its graphic design and web development needs, this can be a source of headache to find the right company.

Our professional staff has years of experience in building web sites! Give us a call at 925-452-7493 or send us an email – you’ll get to talk to someone right away. We will help you experience a better web developer experience.

How Duetco Designs is Different

  • A solid track record of customer support and satisfaction
  • Full service and experienced web and design firm
  • Solutions for all business types, sizes and budgets - We have you covered! Web design and graphic design solutions for ecommerce, real estate, informational, organizational, institutional, event-related and so much more! Even if you need something quick or on a tight budget we can help.

About Me

Michelle Loeza- Web Designer, HTML / CSS. Owner & Creator of Duetco Designs

Owner of a company specializing in web, branding, and marketing. Christ Follower, Wife, Mother, Creator of Duetco.com. Email me about your project.
Download my Resume.

We accept Visa and Mastercard

Merchant Account

Contact Us

Duetco Designs
Mailing Address only
231 Market Place, #617
San Ramon, CA 94583 United States

Telephone: (925) 452-7495 
Email: Contact Form

We are present on:

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Nicole tucker
We love working with Michelle! She always takes the concept to the next level. Highly creative, great branding sense and fun to work with! She has the whole package. We highly recommend Michelle for all your web and design needs. She's a pro.