Full-service San Francisco contractor specializes in retrofits, ADUs and remodels

No one can know when the next seismic event will occur, or where it will register on the Richter scale. But you can be ready! DeBrus Construction has completed voluntary and mandatory retrofits for commercial and residential buildings all over San Francisco. Talk to us about adding add an ADU or a remodel for the most cost-effective ROI.


Whether mandatory or voluntary, a structural upgrade will help make your building earthquake safe.


Add rental space or room for a relative with an Accessory Dwelling Unit (ADU) at the same time as your retrofit.


Enlarge a deck, add a bedroom, expand a kitchen. The DeBrus team has the expertise to create the living space you want.

Prepare for the next big one with our expert retrofit and foundation repair services

New construction is challenging but bringing a century-old building up to modern standards is even more so. That’s why you need a contractor with in-depth experience to handle your San Francisco soft story retrofit or foundation repair. Learn more

Watch Malcolm DeBrus on ABC-7  |  Got questions about retrofits?  |  See a list of Recent Projects