Larson served as
news director for
KATR in Eugene from 1977 to 1978 and
KBDF from 1978 to 1979 with internships at
KEZI television and
KPNW radio. In 1980, Larson moved to
Portland, Oregon, and
KXL where he did the afternoon news. In 1983, he moved back to Eugene and was a reporter and eventually anchor for
KVAL-TV. In 1985, Larson moved back to Portland, when he was hired by
KPTV as a reporter for ''The 10 O'Clock News''. Previously, since at least 1990, KPTV had aired documentaries or investigative stories under the name "Northwest Reports with Lars Larson" as segments within regular newscasts but focused on the Portland area and the Northwest. The program won a regional
Emmy Award for a story that exposed careless handling of customers' private financial information by certain local banks. which aired from noon to 4 p.m. Continuing as news anchor at KPTV, Larson left the station in November 1998 "after months of pressure from station management over his other role as an outspoken radio talk-show host" on KXL. KPTV management viewed his radio talk-show role as a conflict of interest with his role as a news anchor. On January 31, 2000,
The Lars Larson Show began airing on nine radio stations via "The Radio Northwest Network". On August 14, 2003, Larson was hired by Westwood One Radio Network to host his own show for national syndication.
The Lars Larson Show officially debuted on Westwood One on September 1, 2003, with 105 affiliates and grew to 175 affiliates. On March 19, 2009,
Westwood One canceled
The Lars Larson Show. Larson's national network show re-launched on newly-formed
Compass Media Networks on March 30, 2009. In 2015 the show was picked up by Sinclair Broadcast Group's Seattle radio outlet
KVI-AM (Talk Radio 570). With the addition of Seattle, the show aired on 18 stations in the Pacific Northwest through the Radio Northwest Network. In December 2022 Compass Media Networks a multi-year extension, continuing to serve as the "exclusive home" of
The Lars Larson Show for national syndication, then heard in 130 markets. == Conservative principles ==