Diamond Jim’s Casino Rosamond is a local California cardroom with a restaurant and bar, best suited to cards and dinner rather than a casino vacation. Its strongest appeal is that straightforward combination, with friendly staff a recurring bright spot in guest reports. The main limitation is incomplete current information about games, stakes, and fees. I would consider it for a local outing after confirming my preferred game, not for a long drive expecting slots, a hotel, and resort amenities.
Diamond Jim’s Casino: quick facts
Recent third-party directories list the property as open. Their hours are not direct operator confirmation, and kitchen and individual game schedules may differ.
| Address | 118 20th Street West, Rosamond, CA 93560 |
|---|---|
| Property type | Cardroom with a restaurant and bar |
| Listed phone | (661) 256-1400 |
| Listed hours | Sunday through Thursday: 11 a.m. to 2 a.m.; Friday and Saturday: 11 a.m. to 4 a.m. Closing times fall on the following morning. |
| Reported games | Poker, baccarat, and blackjack; confirm current availability |
| Hotel | No attached hotel described in the supplied records |
| Parking | Parking listed; two early-2026 guest reports say overnight parking is no longer permitted |
| Research record date | October 11, 2026 |
What kind of casino is Diamond Jim’s?
The useful distinction is cardroom versus casino resort. Diamond Jim’s offers card games, food, and drinks, rather than the hotel towers and machine-filled floor associated with a destination casino.
I do not consider that smaller scope a drawback by itself. A local poker player may want a seat and a decent meal, not a spa appointment. The catch is that a focused cardroom needs to have your particular game running. A historical game list is little help if the table you want is unavailable when you arrive.
The California Gambling Control Commission lists Wizard Gaming, Inc., and six individual gambling-establishment owner licensees. The supplied record shows interim renewal licenses expiring March 31, 2027, with an administrative-action label of Accusation. An accusation is not a finding, and the licensing record does not independently establish daily operations or game availability.
For other property formats, see our California casinos guide.
Casino floor and games
Restaurantji names poker, baccarat, and blackjack. That is a starting point, not an operator-issued game roster. Current minimum wagers and high-limit availability are not established in the supplied records.
The Commission’s establishment list records 30 tables for Diamond Jim’s. This is a regulatory listing figure, not a count of staffed tables or games running during your visit. Ask what is running now, whether there is a waiting list, and when your preferred game usually starts.
Slots and video poker
Do not choose Diamond Jim’s for a slot-machine outing. The approved material describes a cardroom without slots, and the newer supplied sources do not establish a slot or video poker inventory. This is a cards-first recommendation.
Table games
Blackjack and baccarat are reported in the directory’s property summary. Confirm availability and posted rules before buying chips. California cardroom games can differ from their Las Vegas counterparts, particularly in banking arrangements and collection charges.
No dependable current minimum-bet range is supplied. Ask about the minimum wager, separate collections, and optional side bets. A low minimum does not necessarily mean a low-cost session if a fee is collected repeatedly.
Poker
Poker is reported available, but current stakes, the number of poker tables, rake, and tournament schedules remain undocumented. Archived regulatory material includes Texas Hold’em and other poker games, but historical approvals do not establish current availability.
Before a poker-specific trip, ask:
- Which cash games and stakes are running?
- What are the minimum and maximum buy-ins?
- Can you call ahead for the waiting list?
- How are rake, collections, and jackpot charges handled?
- Is there a current tournament schedule, including entry fees and refund terms?
I would put those answers ahead of a general claim about tournaments. A cash-game seat and a scheduled event are different reasons to visit.
Sportsbook and hotel expectations
No retail sportsbook is established in the supplied records. Do not plan a trip specifically to place sports bets. Televisions in a bar are not evidence of a betting counter.
No attached hotel is described, either. Think of Diamond Jim’s as an outing, not an overnight casino resort. If you need lodging, compare separate accommodations in Rosamond, Lancaster, or Palmdale, checking the actual drive rather than assuming every Antelope Valley hotel is close.
RV travelers should also note the newer reports that overnight parking has ended. Do not treat the lot as a substitute for a hotel or campground.
Restaurant and bar
The on-site restaurant and bar give Diamond Jim’s a reason to visit beyond poker. Some guest reports call it the Turf restaurant, although the supplied records do not establish its current operator-confirmed name or menu.
Dining feedback has two distinct threads. Friendly, attentive servers and bartenders receive repeated praise, and some diners like the food and prices. Other feedback questions food quality or menu consistency. I would keep expectations practical rather than assume every meal is excellent or disappointing.
One soup-availability complaint appears on both restaurant aggregators. It is the same complaint, not two independent reports, and Restaurant Guru displays it as an older review. Ask whether a particular dish is available rather than treating that example as a measurement of today’s kitchen.
Late casino hours do not guarantee late full-menu service. Undated guest comments describe different kitchen and restaurant schedules. Confirm what is being served at your arrival time, especially near closing.
Dining budget
Restaurant Guru publishes a per-person range of $11.00 to $30.00. This is a directory estimate, not an itemized current menu or a guaranteed spending cap.
For an illustrative party of two, that gives a planning range of $22.00 to $60.00, before separately allowing for any applicable tax, tip, and extras. I would reserve meal and transportation money before setting a gambling bankroll. Dinner should not depend on winning the next pot.
Amenities, directions, and parking
Restaurant Guru lists Wi-Fi, televisions, takeaway service, credit-card acceptance, parking, and wheelchair accessibility. Restaurant credit-card acceptance should not be read as permission to buy gambling chips on credit.
A pool, spa, major concert venue, or regular entertainment schedule is not established. The accessibility label is also only a starting point: ask about entrances, restrooms, parking spaces, and seating at your intended table.
Rosamond is north of Lancaster along the State Route 14 corridor. Use the full address, 118 20th Street West, for directions. Confirm opening hours before a special drive, and arrange your ride home in advance if drinks are part of the evening.
Overnight RV parking: newer reports warn against it
Campendium accounts from 2023 through 2025 describe permission to stay overnight in the dirt or gravel lot. Two newer reports, dated January 25 and February 15, 2026, say overnight parking is no longer allowed. The February traveler specifically reports asking about the dirt lot.
I would give those newer reports more weight than the older free-parking recommendations. They remain guest accounts, not a published operator policy, but the practical default is clear: do not plan to sleep here without fresh, direct permission.
Older accounts disagree about highway noise. Those observations concern the outdoor lot, not the sound level inside the cardroom. Current daytime parking charges, RV access, valet service, and EV charging are not established.
Rewards and promotions: historical rules, not current offers
No current loyalty program or active promotion terms are confirmed. The regulator-hosted archive contains older rules for Aces Cracked, High Hand, food rewards, match play, and a Pai Gow progressive. These are historical documents, not today’s offer sheet.
Gamboool’s supplied comparison combines the dining estimate, changing parking reports, and archived promotion mechanics. Its calculations use documented inputs and labeled illustrative assumptions, not a firsthand gambling test or a representative survey.
Gamboool original analysis
We assembled the comparison below from published information and our calculations. These are selected examples, rather than measured gambling sessions or a representative survey.
| Detail | Published information |
|---|---|
| Diamond Jim’s Casino licensing: Regulator-listed entity status | The Commission lists Wizard Gaming, Inc. with an Interim Renewal License expiring March 31, 2027, and an administrative-action entry of Accusation. This licensing record does not independently confirm daily operating hours or game availability. |
| Diamond Jim’s dining: Published visitor price range | Restaurant Guru publishes a per-person range of $11.00–$30.00. Treat this as a directory budgeting guide, not an itemized current menu. |
| Diamond Jim’s listed hours: Weekday versus weekend closing schedule | Restaurantji lists an 11 a.m. opening daily, a 2 a.m. closing Sunday through Thursday, and a 4 a.m. closing Friday and Saturday. These are third-party listing hours, not confirmed kitchen or table schedules. |
| Diamond Jim’s overnight RV parking: Recent visitor-reported restriction | A February 2026 Campendium reviewer reports that overnight parking is no longer allowed, including in the dirt lot. Obtain direct permission rather than relying on older free-parking reports. |
| Diamond Jim’s overnight RV parking: Earlier visitor-reported permission | A February 2024 visitor reported permission to stay in the gravel lot at a nightly rate of $0.00. This historical experience contrasts with the later restriction reports and should not be presented as a current amenity. |
| Diamond Jim’s dining feedback: Menu availability complaint | A displayed customer review complains about inconsistent menu availability. It supports advising diners to confirm desired dishes, but it is not a verified measurement of restaurant performance. |
| Diamond Jim’s staff and dining feedback: Positive visitor experience | A May 2025 Campendium reviewer described the restaurant as decent and staff as friendly. This is an individual visitor account, not an overall service finding. |
| Aces Cracked promotion: December 2013 documented prize and qualifying pot | The archived rules provide a fixed award of $25.00–$100.00 and require a pot of at least $20.00. These are historical approved parameters, not a confirmed current offer. |
| Aces Cracked promotion: December 2013 documented minimum pot | The archived Aces Cracked rules require the qualifying pot to contain at least $20.00; simply losing with aces is not sufficient. |
| Aces Cracked promotion: Multiple qualifying hands and tournament exclusion | Under the December 2013 rules, each qualifying hand receives the full award when multiple hands qualify, and tournament play is excluded. |
| High Hand of the Day promotion: February 2013 documented tie treatment | The archived High Hand rules split the same prize equally among tied players, unlike Aces Cracked’s full-award treatment for each qualifying hand. |
| Food Reward Program: Documented qualifying time and tournament eligibility | The archived Food Reward Program permits qualifying periods from 10 minutes to four hours, limits qualification to three times within a 24-hour period, and includes tournaments. Current implementation is unconfirmed. |
| Bonus Cash promotion: June 2013 documented award form and frequency | The archived Bonus Cash offer awards casino chips after the posted qualifying time, is limited to once per day, and excludes tournament games. Its eligibility differs from the Food Reward Program. |
| Match Play promotion: June 2013 documented cash requirement and push treatment | A match-play coupon requires an equal cash wager. A losing hand consumes the wager and coupon, while a push allows reuse; the coupon is not immediately redeemable cash. |
| Fortune Pai Gow Poker Progressive: January 2016 documented optional fee | The archived progressive requires a $1.00 optional jackpot fee in addition to the regular base wager and requires at least two players for progressive play. |
| Fortune Pai Gow Poker Progressive: January 2016 documented natural versus joker-assisted award | The archived paytable awards the full displayed progressive for a seven-card straight flush without a joker, but only 25% for the corresponding joker-assisted hand. |
| Fortune Pai Gow Poker Progressive: January 2016 documented jackpot-fee allocation | The archived rules allocate $0.07 of each $1.00 jackpot fee to the displayed meter and $0.93 to a reserve fund; they also allow an administrative charge from that reserve. The entire optional fee does not increase the visible jackpot. |
| Calculation | Result | Takeaway |
|---|---|---|
| Two-person dining budget at the lower published price-range endpoint | $22.00 | Use this as a lower-end planning scenario, not a menu quote or an all-inclusive bill; confirm current prices, and budget separately for any applicable tax and tip. |
| Two-person dining budget at the upper published price-range endpoint | $60.00 | Compare this with the lower-end dining scenario to reserve meal money separately from your gambling bankroll; the directory range is not a guaranteed spending cap. |
| Winning match-play hand: cash-wager winnings plus coupon value under the June 2013 rules | $10.00 in winnings before any applicable collection | The documented coupon supplements a winning matched cash wager, rather than functioning as cash you can redeem without playing. Confirm that an equivalent offer is currently available. |
| Optional Pai Gow progressive cost over an illustrative session under the January 2016 rules | $40.00 in optional jackpot fees | Paying the optional fee repeatedly adds a separate session cost beyond base wagers and other collections. Check the current posted rules before opting in. |
| Wild straight-flush progressive award at an illustrative meter under the January 2016 rules | $2,500.00 in conditional jackpot award | Under this archived paytable, the joker-assisted qualifying hand receives only part of the displayed meter, unlike the natural qualifying hand. This scenario does not establish current availability or the likelihood of winning. |
| Equal High Hand prize split under the February 2013 rules | $50.00 in casino-chip prize value per tied player | The archived High Hand rules divide a tied prize, whereas Aces Cracked pays each qualifying hand its full award. Confirm the promotion and its posted terms before treating a headline prize as your individual payout. |
Research references: cgcc.ca.gov, restaurantguru.com, restaurantji.com, maps.campendium.com, oag.ca.gov.
Method: Published inputs collected 2026-10-11. Illustrative assumptions are labeled, and the full calculation inputs remain in the saved research record. These examples support planning; they do not predict a particular session.
The archived examples show why similar-looking offers can have different costs and eligibility requirements:
- Match play requires your own wager. In the June 2013 example, a $5.00 coupon accompanies a matching $5.00 cash wager. A winning hand produces $10.00 in winnings, excluding the returned stake and before any applicable collection. The coupon is not cash redeemable without playing.
- Small optional fees accumulate. The January 2016 Pai Gow progressive rules specify an optional $1.00 fee per participating hand. Paying it on an illustrative 40 hands costs $40.00 separately from base wagers and other collections. Forty hands is an assumption, not a measured dealing rate.
- The displayed jackpot is not every qualifying hand’s award. The archived Pai Gow paytable awards the full meter for a natural seven-card straight flush, but 25% for the joker-assisted version. At an assumed $10,000.00 meter, the latter award would be $2,500.00. This is a conditional illustration, not an observed jackpot or a claim about winning odds.
- A headline prize may be shared. Under the February 2013 High Hand rules, two players tied for an illustrative $100.00 prize would receive $50.00 each in casino-chip value. The archived Aces Cracked rules instead award each qualifying hand the full applicable prize.
The archived food reward rules include tournament eligibility, while the archived Bonus Cash rules exclude tournaments. I would never assume qualifying for one offer means qualifying for another.
None of these examples establishes current availability. If an offer influences your visit, get its current posted rules, including qualifying games, collections, time requirements, and tie treatment.
Guest praise and common limitations
Staff friendliness is the clearest recurring positive in the available reports. Dining listings praise attentive service and welcoming bartenders, and older RV accounts also describe friendly staff. Some diners praise food value and a relaxed atmosphere. That makes the restaurant-and-bar side worth considering for a local outing, without establishing consistent performance across every department.
Food feedback is mixed. The dining directories use different review pools, so their ratings should not be blended into an overall casino score. Restaurantji also summarizes dissatisfaction with poker service, but the published information does not establish a repeated, current pattern.
The clearest recent practical warning concerns overnight parking. For gamblers, the larger information gap is current stakes, fees, and schedules. Those details affect whether a visit is worthwhile more than a generic favorable review.
Review coverage is limited, self-selected, and weighted toward dining and RV parking. Many dining comments are older or undated despite directory updates in 2026. Treat them as useful clues, not a representative survey of casino players.
Who Diamond Jim’s is best for
- Best fit: Nearby card players who confirm their game is running, locals combining a meal with gambling, and visitors comfortable with a focused cardroom.
- Less suitable: Slot and video poker players, travelers seeking an on-site hotel, RV visitors counting on overnight parking, and anyone making a long drive without checking games first.
My verdict: cards and dinner is a sensible local proposition. Confirm the game, its costs, and kitchen hours first. That beats arriving with resort-sized expectations.
Frequently asked questions
Is Diamond Jim’s Casino Rosamond open?
Recent supplied directories list it as open, with an 11 a.m. daily opening and closing at 2 a.m. Sunday through Thursday or 4 a.m. Friday and Saturday. Confirm directly before traveling; these are third-party hours.
Does Diamond Jim’s have slots?
It is described as a cardroom, not a slot casino. Do not plan a visit for slots or machine-based video poker.
Can I play poker there?
Poker is reported available. Call ahead for games, stakes, buy-ins, waiting lists, and fees. A current tournament calendar is not established here.
Is overnight RV parking allowed?
Two early-2026 guest reports say it is no longer permitted, contradicting older accounts. Arrange another overnight stop unless the property gives you current permission.
Does Diamond Jim’s have a hotel?
No attached hotel is described in the supplied records. Plan separate lodging and transportation for an overnight trip.
What should I confirm before visiting?
Call (661) 256-1400 about opening and kitchen hours, games, minimum wagers, collections, age and ID requirements, smoking rules, accessibility needs, and parking. Current property-specific age and smoking policies are not established in this guide.
Sources and research note
- California Gambling Control Commission owner-license listing: gambling-establishment owner licensees and license status.
- California Gambling Control Commission establishment list: regulatory table figure, not live game availability.
- Restaurantji: address, telephone, listed hours, reported games, and dining feedback; page updated October 2, 2026.
- Restaurant Guru: dining estimate, amenities, listed hours, and guest feedback; page updated September 27, 2026.
- Campendium: dated visitor accounts about parking, staff, dining, and outdoor noise.
- California Department of Justice archived promotion rules: historical eligibility, fees, and payout mechanics, not confirmed current offers.
Research note: This guide uses the supplied research record dated October 11, 2026. Guest reports are subjective, and directory details are not direct operator confirmation. The comparisons do not claim exclusive underlying research or a personal visit.
Editorial note: Ready for the owner’s factual and editorial review before a separate publication action, not independently fact-checked. The existing property image is retained. No new hero illustration or section photo was generated, and no reuse permission for third-party source photographs is claimed.
Poker room and sportsbook
There is no on-site sportsbook.