California law does not currently require landlords to provide air conditioning, but it does require every rental unit to have adequate ventilation, and any cooling system a landlord has already installed must be kept in working order. That distinction matters a great deal right now. Southern California just experienced one of its most severe heat events in decades, with downtown Los Angeles, the San Fernando Valley, and inland areas of Ventura County recording triple-digit temperatures for three consecutive days in late August, something the region had not seen since the 1880s according to the National Weather Service. Owners of one to four unit rental properties in Los Angeles and Ventura County should understand exactly where the legal line currently sits, because it is shifting quickly.
Is a landlord required to provide air conditioning in California?
No, not yet under state law. California’s habitability statute, found in Civil Code Sections 1941 and 1941.1, requires working plumbing, gas, electricity, secure locks, and functioning heating facilities, along with adequate ventilation, but it does not list cooling as a mandatory habitability item the way it lists heat. This has historically meant a landlord could not be cited for failing to install air conditioning in a unit that never had it. However, once a landlord provides air conditioning, whether it came with the property or was added later as an amenity, that unit becomes something the landlord is legally responsible for maintaining in working condition, and a broken air conditioner during a documented heat emergency is treated far more seriously than the same repair request in mild weather.
What happens if the air conditioning breaks during a heat wave?
A landlord who has provided air conditioning must repair it within a reasonable time once notified, and during an active heat advisory or extreme heat warning, a reasonable time is measured in days, not the thirty-day window that might apply to a minor, non-urgent repair. Tenants who go without functioning cooling during a period of dangerous heat, particularly when the property owner already represented air conditioning as included, have a stronger basis to argue the unit is not fit for occupation under the implied warranty of habitability. Property owners should treat any cooling-related repair request during a heat advisory the same way they would treat a broken furnace in winter, meaning it goes to the top of the maintenance queue.
What is SB 655, and does it require a maximum indoor temperature right now?
Senate Bill 655, chaptered on October 10, 2025, adds Section 17914 to the California Health and Safety Code and formally establishes a state policy that dwelling units should have a safe maximum indoor temperature. It is important for owners to understand what this bill actually does and does not do. SB 655 does not itself set an enforceable temperature number for landlords to meet, and it explicitly states that it does not expand any existing state obligation or require new spending. What it does is direct state agencies, including the Department of Housing and Community Development, to consider this safe maximum temperature policy when those agencies revise or adopt regulations going forward, with that agency review beginning January 1, 2027. In practical terms, SB 655 signals the direction state policy is heading rather than creating an immediate compliance obligation, and owners should expect more concrete cooling standards to follow from the agencies this bill directs.
Has any Los Angeles or Ventura County jurisdiction already set a cooling requirement?
Yes, in part. Unincorporated areas of Los Angeles County have adopted an ordinance requiring rental units to maintain an indoor temperature at or below 82 degrees, enforced on a complaint basis by the Los Angeles County Department of Public Health starting January 1, 2027. Landlords in unincorporated areas may satisfy this first through passive measures such as insulation, window coverings, shade structures, or fans, with mechanical air conditioning required only if those measures prove insufficient. This ordinance does not currently apply inside incorporated cities such as the City of Los Angeles, Santa Monica, or Pasadena. The Los Angeles City Council passed a motion in February 2026 directing city departments to study a similar indoor temperature standard, though that effort has moved slowly and no citywide requirement is in effect as of this writing. Owners in Ventura County should also monitor local action, since no county-level cooling ordinance has been adopted there yet, but the direction of state and regional policy makes it likely that some form of indoor temperature standard eventually reaches most of this market.
What should landlords do right now, during an active heat event?
Beyond the strict legal minimum, a landlord managing a one to four unit rental property during a heat wave like the one Southern California just experienced should confirm that any existing cooling system is functioning, respond to heat-related maintenance calls immediately rather than on a standard timeline, and make sure smoke detectors and ventilation systems are working properly, since the same weather pattern driving extreme heat has also brought red flag fire warnings and localized power shutoff risk from Southern California Edison. Landlords should also be prepared to consider reasonable accommodation requests for tenants with a documented medical need for cooling, which fair housing law can require independent of any general habitability standard. Clear, documented communication with tenants during a heat emergency, confirming that maintenance requests were received and addressing them quickly, remains one of the simplest ways an owner can avoid a habitability dispute altogether.
Boutique Property Management has managed residential properties of one to four units across Los Angeles and Ventura County for more than two decades, and staying ahead of exactly this kind of shifting compliance landscape is central to how the company protects its owners. Founded by Allen Brodetsky, the company offers award-winning, concierge-style service in both English and Spanish, holds five-star ratings on Google and Yelp, and is trusted by a client base built largely on referrals from attorneys, physicians, CPAs, financial advisors, and business managers. Property owners who want to confirm their units are compliant with current habitability standards, and prepared for the cooling requirements taking effect over the next several years, are welcome to contact Boutique Property Management directly.