Customers consistently praised the food for its authentic flavors, freshness, and generous portions, with many highlighting specific dishes like pad Thai and yellow curry.
Service
While many reviews noted friendly and attentive staff, there were several complaints about slow service and order mix-ups, particularly during busy times.
Atmosphere
The restaurant is described as clean and cozy, providing a pleasant dining experience, although some noted it can get crowded.
Pricing
Most customers felt the prices were reasonable for the quality and portion sizes, though some expressed dissatisfaction with recent price increases.
Takeout Experience
Several customers reported issues with takeout orders, including long wait times and incorrect orders, impacting their overall satisfaction.
TN
Tom Noonan
Nov 13, 2025
5.0
The Thai food at Diho Siam is always delicious and the waitstaff is very friendly. We usually do carryout but the restaurant has a pleasant environment as well.
SC
Sage Cove
Nov 1, 2025
5.0
Diho Siam is absolutely amazing! The food is bursting with authentic flavor, beautifully presented, and always fresh. Every dish tastes thoughtfully made — from appetizers to desserts. The staff are friendly, attentive, and make you feel truly welcome. The restaurant is spotless and has a warm, relaxing atmosphere that makes every visit a pleasure. Highly recommend to anyone who loves great Thai food and excellent service!
JM
James Marin
Oct 24, 2025
5.0
They are always busy but it is for a good reason. It is the best Thai food in Mission Viejo.
BK
Brienza Kimple
Oct 19, 2025
5.0
Forever my go-to Thai restaurant! Food is great and well with the price given the proportions. Service is quick & polite, and the atmosphere/decor of the place is wonderful.
LL
Linda L
Oct 8, 2025
5.0
This restaurant is our go to. We live coming here.
Diho Siam is open Monday to Thursday from 11:00 AM to 3:30 PM and 4:30 PM to 9:00 PM, Friday from 11:00 AM to 3:30 PM and 4:30 PM to 9:30 PM, Saturday from 11:00 AM to 9:30 PM, and Sunday from 12:00 PM to 9:00 PM.
Does Diho Siam offer delivery and in-store pickup services?
Yes, Diho Siam offers both in-store pickup and delivery services for customers.
What are the delivery hours for Diho Siam?
Delivery is available Monday to Thursday from 11:00 AM to 3:30 PM and 4:30 PM to 9:00 PM, Friday from 11:00 AM to 3:30 PM and 4:30 PM to 9:30 PM, Saturday from 11:00 AM to 9:30 PM, and Sunday from 12:00 PM to 9:00 PM.
What are the takeout hours at Diho Siam?
Takeout is available Monday to Thursday from 11:00 AM to 3:30 PM and 4:30 PM to 9:00 PM, Friday from 11:00 AM to 3:30 PM and 4:30 PM to 9:30 PM, Saturday from 11:00 AM to 9:30 PM, and Sunday from 12:00 PM to 9:00 PM.
Where is Diho Siam located?
Diho Siam is located at 27001 La Paz Rd, Suite 100, Mission Viejo, CA 92691, United States.
What is the phone number to contact Diho Siam?
You can reach Diho Siam by phone at +1 949-597-1550.
Where can I view Diho Siam's menu or place an order online?
You can view the menu and place orders online at https://dihosiamrestaurant.com/menu.
What nearby fitness or wellness centers are close to Diho Siam?
Near Diho Siam, you can find The Perfect Workout gym and fitness center as well as YogaWorks Mission Viejo and MOhM, which are yoga studios and sports venues, perfect for combining a workout or yoga session with a meal.
Are there any beauty salons or spas near Diho Siam?
Yes, nearby beauty and spa options include True Lash Boutique, The Waxpert, Skin Deep by Linda, Bare Beauty OC, Emrys Studio Waxing and Aesthetics, and Le Chateau Enchante Day Spa, great places to visit before or after dining at Diho Siam.
What other dining options are near Diho Siam?
Nearby dining options include Southern California Pizza and Plumeria Cake Studio, offering pizza and desserts respectively for those who want to explore diverse culinary choices around Diho Siam.