California is America's most populous and diverse state, stretching 1,300 kilometers along the Pacific Coast from the Oregon border to Mexico. It encompasses everything from sun-drenched beaches and towering redwood forests to the dramatic Sierra Nevada mountains and the arid Mojave Desert.
Cultural orientation
Essential context for travellers.
Tipping 18-20% at restaurants is a cultural expectation, not optional — waitstaff rely on tips for most of their income
Smoking is banned indoors and within 20 feet of building entrances — including cannabis in most public areas
Queuing is taken very seriously — cutting in line will cause genuine offense and confrontation
Casual dress is appropriate almost everywhere in California — formal attire is only required at the most upscale restaurants
Environmental consciousness is embedded in California culture — single-use plastic bags are banned; bring or purchase reusable bags
Californians generally maintain more personal space in conversation than visitors from Southern Europe, Latin America, or the Middle East
The word 'hella' (Northern California slang for 'very') and 'the' before freeway numbers (the 405, the 101) identify locals
June Gloom is the name for the morning fog that blankets coastal Southern California in early summer — pack a layer
Wildlife must not be fed in national parks — rangers can issue substantial fines for feeding bears, deer, or squirrels
In-N-Out Burger has a famous 'secret menu' — order 'Animal Style' for mustard-grilled patty, extra sauce, and grilled onions
Do's and don'ts
Quick guide to local norms.
Do
- Tip generously — 20% is standard at restaurants, $2-5 per drink at bars, and $2-5/night for hotel housekeeping
- Carry a reusable water bottle — California tap water is generally excellent and filtered stations are everywhere
- Bring and use sunscreen daily — California's UV index is higher than most visitors expect
- Carry your passport or ID — California requires photo ID for alcohol purchases regardless of apparent age
- Book national park permits and reservations months in advance, especially for Yosemite in summer
- Use rideshare apps (Uber/Lyft) after drinking — California's DUI laws are strictly enforced
- Separate recyclables from trash — California has comprehensive recycling programs and locals take them seriously
- Wear layers year-round in San Francisco and coastal areas — temperatures can drop 20°F from afternoon to evening
- Use sunscreen that is marked 'reef-safe' at La Jolla and other protected marine reserves
- Leave No Trace in national parks — pack out all trash, stay on marked trails, and leave wildlife undisturbed
Don't
- Don't leave valuables visible in parked cars — smash-and-grab theft is the most common property crime in California cities
- Don't drive into Death Valley in summer without extensive preparation — temperatures above 120°F can be fatal
- Don't visit Yosemite in summer without advance timed-entry permits — day-use permits are required
- Don't underestimate California's wilderness — even day hikes can become dangerous without water, food, and navigation
- Don't jay walk casually in San Francisco — unlike LA, SF enforces pedestrian regulations more actively
- Don't approach, feed, or photograph wildlife up close in parks — minimum 25-yard distance from bears and wolves
- Don't expect LA to be walkable like a European city — the city is spread across 500 square miles and requires a car or transit
- Don't take photographs in Native American ceremonial areas or of people without asking permission
- Don't drive on the 405 or I-5 in Los Angeles during rush hours (7-10am, 4-7pm) without allowing extra time
- Don't assume cannabis is legal everywhere — while recreationally legal in California, consuming in public spaces is still prohibited
Etiquette by setting
How to navigate everyday situations.
Useful phrases
A few words go a long way.
Excuse me / Pardon me
Excuse me
Thanks / Thank you / Cheers
Thank you
Can I get the bill / check?
Can I get the check please?
Where's the restroom / bathroom?
Where is the restroom?
How much is this / does this cost?
How much is this?
Do you have anything vegetarian / vegan?
Do you have a vegetarian / vegan option?
That's sick / rad / awesome / hella cool
That's really cool / amazing
This neighborhood is so vibrant / walkable / chill
I love your place / neighborhood
Is this gluten-free / dairy-free / contains nuts?
Is this gluten-free / dairy-free?
The 405 is a nightmare / there's a SigAlert on the 5
The traffic is terrible
Religion & spirituality
Understanding faith in California.
Overview: California is one of the most religiously diverse and simultaneously most secular US states
Items:
- Religion
- Christianity (Catholic)
- Percentage
- ~28%
- Notes
- Strong Catholic influence due to Spanish colonial missions; large Latino Catholic community across the state
- Religion
- Christianity (Protestant)
- Percentage
- ~25%
- Notes
- Evangelical and mainline Protestant communities; megachurches common in Southern California (Saddleback, Mosaic)
- Religion
- Non-religious (Secular)
- Percentage
- ~27%
- Notes
- California has one of the highest rates of religious non-affiliation in the US; particularly high in urban Bay Area and LA
- Religion
- Buddhism
- Percentage
- ~2%
- Notes
- Significant Buddhist communities from Chinese, Japanese, Vietnamese, Korean, and Tibetan traditions; many temples in the Bay Area and LA
- Religion
- Judaism
- Percentage
- ~3%
- Notes
- Strong Jewish communities in Los Angeles (Beverly Hills, Pico-Robertson, West LA) and San Francisco; many synagogues of all denominations
- Religion
- Islam
- Percentage
- ~2%
- Notes
- Growing Muslim communities in Fremont, Dearborn-area equivalents, San Jose, and Los Angeles; multiple mosques throughout the state
- Religion
- Hinduism / Sikhism
- Percentage
- ~2%
- Notes
- Large Indian-American communities in the Bay Area (Silicon Valley) and Artesia (Los Angeles) support multiple temples and gurdwaras
- Religion
- Indigenous spiritual practices
- Percentage
- < 1%
- Notes
- California has the largest Native American population of any US state; tribal ceremonial practices are private and should be respected