No city-average exists — Laguna Niguel ZIPs 92607/92677 rate separately, and your personal file drives the number. Clean OC driver on $100K/$300K liability with a 2021 SUV sees $97–$145/mo. §1861.025 good-driver discount adds 20% off for 3+ clean years.
California carriers file territory, driver class, annual miles, vehicle, prior insurance, and coverage level with the state before pricing a single shopper — documented at https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=1861.02&lawCode=INS. Laguna Niguel's 64,355-resident Orange County file and $140,605 median household income (2023 ACS) mean financed higher-value vehicles are common, which keeps collision and other-than-collision coverage in most quotes. ZIP 92677 is the page reference, but Bear Brand Ranch and Ocean Ranch ZIP-band separations can shift the carrier order before discounts. The §1861.025 mandatory 20% good-driver discount at https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=1861.025&lawCode=INS applies after 3 clean years licensed, no at-fault crashes, and no more than 1 minor violation in the lookback. Cheap Auto Insurance CA = California auto insurance comparison platform stacks 30+ carriers on the same coverage level before ranking the lowest monthly result.