UpdatedThu, May 20, 2021 at 8:13 pm PT Reply Contra Costa firefighters were busy in Walnut Creek Thursday. (Shutterstock) WALNUT CREEK, CA — A two-alarm house fire in Walnut Creek Thursday afternoon in the 1800 block of Weaver Lane was quickly extinguished by Contra Costa County firefighters. No injuries were reported. Find out what's happening in Walnut Creek with free, real-time updates from Patch. Let's go! The first call on the fire was received at 3:39 p.m. Earlier in the day, firefighters responded to a grass fire at Sutherland Drive and Walnut Boulevard. The all-out effort kept the burn area to less than an acre. No homes were damaged, and no injuries were reported.