What's Open at Diamond Jamboree Right Now, Suite by Suite

"Currently closed for renovations. Check back for the grand re-opening soon."

That's the plaza's own listing for Tim Ho Wan, the Hong Kong dim sum specialist known for baked pork buns, still posted on Diamond Jamboree's dining page. No reopening date is listed yet, so the note reads as an open-ended "soon."

Diamond Jamboree has a lot of tenants in a lot of suites, and a directory can only be updated so often. What follows is a status check on what the plaza's dining page lists at Alton Parkway and Jamboree Road this fall, with a few details worth knowing before you make the drive.

The Listing Nobody's Updated

Tim Ho Wan occupies suite A-127-131, a prime storefront near the plaza's H Mart anchor. It's the kind of tenant a shopping center brags about, a globally recognized dim sum name with a built-in following. Which makes the standing "closed for renovations" notice more conspicuous, not less. There's no posted timeline, no construction fencing update, no social account teasing a reopening date. If you've been waiting to introduce someone to the pork buns, you're not missing an announcement. There isn't one yet.

Contrast that with Chubby Cattle, the all-you-can-eat wagyu yakiniku concept that's taken suite A-101. The plaza's own dining page lists it plainly: hours to be determined, phone number to be determined. The suite is already accounted for on the map, and the tenant's operating details haven't been posted yet.

Two restaurants, two different kinds of unfinished. One's an old favorite in limbo. One's a new arrival that hasn't fully arrived. Neither shows up if you're just skimming a generic "best restaurants in Irvine" roundup, because those posts pull from review aggregators that don't track suite-level status. They track star ratings from six months ago.

The One Everyone Calls the Din Tai Fung Dupe

Walk past Tim Ho Wan's shuttered storefront and into suite A-117, and you'll find Dun Huang, a northwestern Chinese kitchen serving Lanzhou beef noodle soup and hand-pulled noodles alongside meat-filled bread and lamb dishes. It runs standard hours, 11 a.m. to 9 p.m. Monday through Thursday and until 10 p.m. on weekends, no asterisk needed.

What's interesting is the nickname it's picked up locally: people have started calling it a "Din Tai Fung dupe," a shorthand comparison that tells you more about what Orange County diners are hunting for than it does about the menu itself. Din Tai Fung just opened its own Irvine Spectrum location this year, and the wait times there routinely stretch past an hour on weekends. Dun Huang isn't chasing that reputation. It built its own, quietly, in a strip-mall suite two miles away, and now it's the answer people give when they don't want to wait.

The Flagship Nobody Put a Sign On

Buried in Diamond Jamboree's own tenant copy is a detail most visitors walk past: the Meet Fresh location in suite A-105, known for taro balls, herbal jelly and tofu pudding, is described by the plaza itself as the chain's flagship U.S. store. Not "one of," not "a location." The flagship.

There's no oversized signage announcing that status. No line around the block treating it like a landmark. It runs its normal hours, noon to 10 p.m. on weeknights and an hour earlier on weekends, same as any Meet Fresh anywhere else in the country. The distinction lives entirely in the fine print of a corporate directory most customers never scroll to the bottom of. If you've eaten there without knowing that, you've been standing in the chain's most important American storefront while comparing notes on which topping combination works best.

The Second Floor Everyone Skips

Diamond Jamboree reads as a single-story food court from the street, but there's a second level most first-time visitors never find. Contender eSports operates gaming setups up there, open for sessions and occasional free-play days, tucked above the ground-floor restaurant row. It's the kind of tenant that doesn't show up in a food-focused search because it isn't food, and it doesn't show up in a shopping-center search because it isn't retail in the traditional sense. It just sits upstairs, doing steady business while everyone below argues about parking.

Speaking of parking: the structure behind H Mart runs five levels and is the plaza's main relief valve, accessible from the McGaw entrance or directly off Alton Parkway. On Sundays outside of morning church hours, the adjacent church lot opens up as informal overflow, a workaround regulars have learned by trial and error rather than from any sign posted on-site. If you're trying to time a visit, weekday mornings and early afternoons are your best shot at an easy space. Weekend evenings are the plaza at its most crowded, structure included.

Here's a Quick Snapshot

That last line matters more than it looks. Pepper Lunch's Diamond Jamboree location was the brand's first U.S. opening, the kind of milestone that would anchor a press release for most chains. Here it's one line in a directory, sandwiched between hot pot and curry rice.

What's Actually Changing Next

None of this is static. Back in 2024, Irvine's Planning Commission approved a six-story parking structure with roughly 23,000 additional square feet of retail and restaurant space, set to face Alton Parkway with a two-story building near Millikan Avenue. City planning records show a pre-application for a second mixed-use phase logged in March 2026, still early in the review process with no construction timeline attached yet. Whatever comes of it, the pattern holds: expansion plans move slower than the tenants filling in around them. The plaza's physical footprint might take years to catch up to demand. Its restaurant lineup already has.

If you're headed to Diamond Jamboree this week, a quick call or a look at a restaurant's own page will confirm hours before you go. And if Dun Huang or Meet Fresh is already on your list, both are running regular hours.

If you're the kind of person who tracks which storefronts change hands and which suites sit empty a little too long, that instinct translates directly to reading a neighborhood's real estate market the same way. BAIKHOME keeps an eye on both, the food and the buildings around it, because that's what actually living in Irvine looks like day to day.