What is Diamond Jim’s Casino?
Diamond Jim’s Casino is a casino in Rosamond, California, United States.
Everything below is answered from Diamond Jim’s Casino's catalog record and the casino rules that apply in United States. Where a fact is not published, the question is left out rather than guessed at.
Where is Diamond Jim’s Casino?
Diamond Jim’s Casino is at 118 20th Street West, 93560, Rosamond, California, United States.
- Coordinates: 34.82228, -118.16650.
- Phone: +1-661-256-1400.
What are the opening hours at Diamond Jim’s Casino?
Diamond Jim’s Casino is listed as open 24 hours a day, every day.
- Restaurants, the cage, the poker room and individual table games often keep shorter hours than the gaming floor.
How old do you have to be to enter Diamond Jim’s Casino?
You must be at least 21 to enter Diamond Jim’s Casino, which is the minimum casino age in California.
- 21 wherever alcohol is served; some tribal casinos admit 18-year-olds.
- Carry photo ID even if you are well over the limit — staff check on appearance, not on the paperwork you left at the hotel.
Do you need ID to get into Diamond Jim’s Casino?
Yes. Government-issued photo ID is required to claim a jackpot, open a player's-club account or buy alcohol, and is routinely checked at the door for anyone who looks under 30.
Can you smoke inside Diamond Jim’s Casino?
Diamond Jim’s Casino follows the smoking rules for California. Smoking rules are set state by state and often property by property. Nevada casinos allow smoking at the tables and machines; most other states ban it indoors or confine it to a sealed room.
- A property can always be stricter than the law requires, and many are.
What currency do you need at Diamond Jim’s Casino?
Diamond Jim’s Casino deals in the US dollar (USD).
- Cash machines on a casino floor charge the worst rates in the building; change money before you arrive.
- On tax: Casino winnings are taxable income. Casinos withhold 24% and issue a W-2G above set thresholds (from $1,200 on a slot jackpot), and non-resident visitors are generally withheld at 30% unless a tax treaty applies.
What other casinos are near Diamond Jim’s Casino?
The closest casino to Diamond Jim’s Casino is Hard Rock Casino Tejon in Mettler, about 79 km away in a straight line.
- Distances are straight-line from this venue; road journeys will be longer.
How reliable is this information about Diamond Jim’s Casino?
This profile is built from OpenStreetMap, last updated July 2026. Country rules were reviewed in August 2026.
- Opening hours, table minimums and dress codes change without notice — call ahead before a long trip.
- No official website is listed for this venue, so confirm details by phone or with a local source.
Evidence and verification
How much confidence to place in this profile
This panel separates confirmed facts from listed claims and missing details for Diamond Jim’s Casino. Physical casino details can change quickly, so use unknowns as prompts to verify.
Building profile
Source basis
openstreetmap
Identity and location
Address and map coordinates are listed for trip planning.
Hours and access
The casino is listed as 24 hours, though specific venues inside may vary.
Not listed yet: gaming floor, table limits, amenities and logistics and player reports. Confirm last verification date, current table minimums and maximums, slot count and denomination range and fresh player reviews with the property before you rely on them.
Confidence labels guide research, not gambling outcomes. Always confirm current terms, laws, limits, and responsible gambling tools before play.
Sources
Every claim above is anchored to one of the public records below. Click through to verify directly.
Quick Info
Open 24 Hours
+1-661-256-1400Player Reviews
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