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Council introduces ordinance adopting Cal Fire local responsibility-area hazard maps; OCFA urges outreach
Summary
Laguna Hills introduced an ordinance for first reading to adopt state-mapped Local Responsibility Area fire-hazard severity zones; the maps (transmitted by Cal Fire 03/24/2025) identify very high, high and moderate zones that trigger defensible-space and Chapter 7A building-code requirements for new construction and qualifying modifications.
The Laguna Hills City Council introduced for first reading an ordinance to adopt Local Responsibility Area (LRA) fire-hazard severity zone maps transmitted by Cal Fire on March 24, 2025. City Manager Hildebrand said this is the first time Laguna Hills has been mapped and explained the state timeline requiring posting and adoption: the maps must be posted for 30 days and the council must adopt an ordinance within 120 days, then upload the adopted map to Cal Fire within 30 days of adoption.
The new maps identify areas of very high, high and moderate hazard, particularly in parts of north Laguna Hills. Properties in very high zones face defensible-space requirements (up to 100 feet of defensible space) and new construction in the high/very-high zones must meet Chapter 7A of the California Building Code for wildland-urban-interface exposure, including ignition-resistant exterior materials and certain construction standards. City Manager Hildebrand emphasized the city is not recommending reductions of mapped hazard levels and noted the state does not allow local governments to lower the state's designation.
Orange County Fire Authority Assistant Fire Marshal Nick Niroff urged a home-hardening education campaign and outreach using the Ready-Set-Go program and offered OCFA participation in HOA briefings. Niroff said: "The focus should be on education of home hardening, what residents could do to harden their structures with vents and eaves… our outreach opportunity for the Ready-Set-Go program is already ongoing." Councilmembers asked whether the designation would trigger homeowner insurance drops; staff and city attorney said the maps are intended for planning decisions and that insurance companies use independent risk models, though individual insurers may act on broad risk information.
Councilmembers also asked whether requirements would be retroactive for modifications and were told Chapter 7A and other measures primarily apply to new construction and qualifying modifications; staff said some modifications such as new decks or window replacements in affected zones could trigger upgraded material standards. The council scheduled the ordinance’s second reading for June 24, 2025.
