Building an ADU can boost your property value, generate passive income, or give your family the space it needs. But if you think it’s as simple as hiring a contractor and picking out countertops, think again.
❌ Permits denied after plans are drawn.
❌ “Ballpark” estimates that blow up into six-figure disasters.
❌ Moisture, rot, and HVAC problems baked into the walls before you ever move in.
We’ve seen $80K overages, $160K rebuilds, and envelope failures that cost more to fix than to build. Why? Because most homeowners don’t know what not to do.
That’s why we created this FREE guide:
Inside, you’ll learn:
Why rushing design and permitting can kill your budget before framing
starts
The 4 control layers that protect your home from rot, mold, and sky-
high energy bills
Why airtightness is non-negotiable if you want comfort, durability, and
efficiency
How to pick a builder who leads the process—not just swings a hammer
How to avoid design choices that cost you every single month in repairs
or utility bills
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