By Guesscreative | Residential | GC-ADU-490 How long does it take to build an ADU? Most people assume months of disruption. In reality, the structure can be standing in days, if the design is resolved correctly. GC-490-ADU under construction in Chula Vista, CA. Monday to Thursday One of the homeowners our build partners worked with recently said it better than any brochure could: "They started construction (the structure) on Monday. And now it's Thursday." The framing was sta