Yes — for most Californian rabbits, a normal workday alone is entirely manageable, and it suits this breed better than many. Californians are big, steady-natured rabbits, typically calm rather than frantic when the house empties. The arrangement works or fails on what surrounds those hours: the size of the space she waits in, whether hay and water genuinely last, and how much movement and company bookend the day. Alone for a workday is fine; alone and under-stimulated as a way of life is not.
What a large rabbit needs before you leave
Space is the first condition, because a Californian is a heavy rabbit who needs to stretch to her full length, sit up, and take a few hops without meeting a wall. A roomy pen or a rabbit-proofed room beats a standard cage for daytime hours. Fill the hay rack generously — hay is her occupation as much as her food, and an empty rack by midday leaves her with nothing to do and a gut with nothing to process. Use a heavy crock or check the bottle ball actually rolls, since a large rabbit drinks a meaningful amount and a stuck bottle is a genuine all-day problem. Add a hide, a digging box or cardboard castle, and chewable wood she can work on instead of the pen bars. Californians feel heat more than cold through that thick coat, so the daytime spot should sit away from sun-struck windows and hold a cool tile or similar resting surface in warm weather.
The hours either side carry the day
A workday-alone Californian should get her main exercise and social time in the morning and evening, when rabbits are naturally most active anyway. Let her out to roam a safe room while you get ready, refresh her hay and water, and give her a few minutes of the grooming and attention this sociable breed expects. Evenings matter even more: several hours out of the pen, interaction with the household, and a chance to run, dig, and explore repay the quiet day. Owners who work long shifts lean on consistency — the same leaving routine, the same return routine — because a predictable day is a calm day for a rabbit.
When alone time needs a second pair of hands
Stretch the plan when workdays regularly run long, when summer heat makes her room warm by afternoon, or when she is young, elderly, recovering from illness, or newly bonded and still settling. A rabbit left alone who stops eating is a rabbit nobody notices until evening, so any of those situations justifies a midday visitor to top up hay, check water, and confirm she is moving and eating. A companion rabbit is the long-term answer many Californian owners choose, since a bonded partner provides company no schedule can, though bonding is its own project and never a drop-in fix.
A simple weekday checklist
Before leaving: hay rack full, water tested, hide and chews in place, room temperature safe, pen latched. On returning: droppings present in normal amounts, hay level down, rabbit moving comfortably and interested in her evening greens. That five-minute check turns a workday absence from a worry into a routine you can verify. Sharing that checklist, her feeding routine, and any midday-visit arrangement through KinsLe's Family Sharing keeps everyone who helps with her working from the same details.