Timberwolf Construction is a FEMA-Trained and Certified California Earthquake Brace and Bolt (EBB) and Earthquake Soft-Story (ESS) Contractor, serving Sonoma, Napa, and Marin counties. We specialize in retrofitting homes and buildings to meet seismic safety standards, ensuring your property is better protected in the event of an earthquake. To learn more or find out if you qualify for an EBB or ESS grant, [click here].