Wondering what type of ADU is right for you?

FREE gift: Get detailed pros & cons lists for the most popular types of accessory dwelling units so that you can select the right ADU for you. 

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About Us

AD4U is a 4-person team of design professionals led by Stewart Straus, an architect with over 45 years experience.

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Turn Your Backyard Into Your Best Investment

Our ADU prefab modular system increases quality while cutting cost and construction time. 

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Step-by-Step ADU Education

Our step-by-step, easy to follow educational resources take the headache out of ADU design, permitting, and construction. Join our mailing list to be notified when new trainings become available.

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AD4U Project Planning & Budgeting Packet

Wondering "how much does an ADU cost?" Save time, energy, and money figuring out the financials for your ADU project. 

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AD4U Prefab Guide

Use the prefab system that gets your project done more quickly, easily, and affordably.

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Discover the Right ADU for You

FREE report reveals detailed pros and cons lists for the most popular types of ADUs so that you can quickly and easily choose the right ADU for you.

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