08/28/2026
Ever wondered why your ADU quote is higher than the numbers you see online? ๐ค
Thereโs usually a reason. And it comes down to your property.
Our Project Manager Viet breaks down the 3 biggest factors that drive your real ADU cost ๐
๐ฅ Fire-rated walls โ if your ADU sits less than 5 ft from the property line, code requires dense glass fire rated walls, and that adds to both material and labor cost.
๐ Site access โ tight lots often need heavy machinery for grading and excavation, and that means more days and more crew.
๐ Site conditions โ whether your land is flat or sloped changes everything from foundation to timeline.
The online numbers rarely tell the whole story. Your property does ๐
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