FAB-U-LOUS. It's been a while since I have had such excellent Thai food, with perfect customization. We had the pad Thai at heat level 3 out of 5. We could have gone a 4, but I think the 3 was perfect for me. Loved the cabbage the lime served on the side- just go ahead and spread that lime over the whole thing, because it adds the perfect acidity to the dish. The exterior is in a mini mall, but the interior is very cute minimalist modern. Our server was super sweet and friendly as well. Highly recommend! read more

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Everything we have tried here has been delicious. The service is impeccable. The owners are so kind and attentive. Satay isn't on sticks like other places - it's a big plate of chicken(yum). Peanut sauce delish. There's a beef dish with the name Tiger in it - recommended to us and so good. Crab Rangoons among the best we've ever had - such a light crunch. They are SUPER fast. The dining area is so neat and clean and inviting. Try them out! read more

Thai 303 - Crab Rangoons. Light delicate crunchy wrap. Really unique. - Thai Near Me - Longmont, Colorado

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We were running errands in Longmont the other day and decided to eat lunch here since our first option was closed. What a disappointment everything was. The best thing was probably the egg rolls, but they were just standard, nothing special about them. I'm glad we didn't get another noodle dish, because it would've just been washed. We ended up leaving most of the curry and some of the pad kee mao since the flavors were off. I've had a lot of authentic, delicious Thai food on the east coast and the flavoring here was just odd. No umami whatsoever and there was a seasoning I didn't like that I have never tasted before. Ended up eating a whole meal once I got back home--if that doesn't tell you something, I don't know what will. Pretty safe to say that I won't be coming back to this restaurant. There's only been 1 Thai restaurant that hasn't been disappointing, so I guess I'll be going back to Broomfield. read more

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Delicious Thai food! Super friendly staff! Nice ambiance. Eat here :) my favorite dish is drunken Noodles and they do a great job

Without a doubt this hidden gem is by far THEE best Thai food around, including Boulder! We have never eaten in here, but the takeout is reliable and consistent. DonMt forget to order your Mexican cokes too! G isn't a big fan of Thai but there are options that work for his appetite as well. Easy ordering by phone! It is located in a strip mall, with ample parking. read more

This restaurant is pretty good (i personally like their pad thai) and accommodating for gluten free diets :) Parking is available outside of the restaurant! Take-out is always ready really fast - def a plus!! read more

While waiting in traffic, out of the corner of my eye, I saw 'Thai 303' restaurant in this old and boring strip mall that I had never paid any attention to before. A few hours later, I felt I should give this place a try (and maybe take one for the team). Boy, was I impressed with the food here!! We ordered Pad Thai. It was so tasty that I was in love with this place after the first bite! All ingredients were fresh and they were quite generous with the meat. I recommend getting some fish sauce on the side to enhance the tase. It was like our quest for the perfect Pad Thai was finally over! The few places in town that serve this dish put too much sugar, not enough meat and packed with fillers like bean sprouts. However, the Pad Thai here was just right any very authentic Thai! The service was friendly, fast and welcoming! The restaurant was very clean and neat and had a modern and Thai fusion theme. This is now a place to revisit in my book! BTW, the waitress told me that they've only been open about five months. I highly recommend this place! read more

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The food was delicious. The service was top tier and very attentive. Will be back again and would highly recommend

Thai 303 has really good food and the staff is very friendly and helpful! I've eaten here twice now and we all really enjoyed it. Their takeout online ordering works very well. I'll be back again. read more

After reading all the reviews we opted to try this place for lunch since our 1st choice, ManaThai is closed on the weekend. We got fried egg rolls, panang curry and drunken noodles. Egg rolls came out piping hot and were good followed by the curry and the noodles. I am used to seeing the dishes come out family style in a serving bowl but they came out as individual helpings which sort of threw us as we were sharing them. There was just something off with the seasonings on all 3, for us. We were not hungry enough to finish our dishes, except the egg rolls and we quickly paid and left. Probably not coming back but will continue trying all of the asian eateries that we can to have an opinion. Still think that Mountain Thai near Broomfield is the best of the 7 Thai restaurants that we have tried within a 30 min drive from Boulder. read more

Tried this place with friends. We all enjoyed our meals - tofu pad Thai, crispy fish and chicken curry. Very good! Service was great! Very friendly and accommodating. Two walls are glass so not much can be done about 'decorating' the inside. We'll be going back! read more

They have not updated their hours and days on their website. They are closed on Wednesdays.

We tried this brand new spot for take out yesterday, their first day open! Visiting on the first day is always kind of risky. Things are new, kinks are still being worked out, etc. That said, we enjoyed our entrees (especially the pad thai) and will definitely be back to try again in the future. It never hurts to support a new small business! Folks on staff were very nice. We called in to place our order (no online ordering set up yet, but I'm sure some options will be coming) and had no issues with placing or picking up. Sometime we'll try coming in for dine-in. In the interim, check them out and see what you think. Welcome to Longmont, Thai 303! read more

I came in for my comped meal today and it is decent. I got the garlic stir fry. The owner was very nice and I feel my initial bad experience has been dealt with. read more

Really well done Thai food and great curry dishes for our area. I enjoy the pad Thai with a medium heat. It has a great balance of sweet and spicy that I really enjoy. read more

This was our first time and Thai 303 exceeded our expectations. It is a small, clean restaurant located on Hover off 17 th. The service was quick and friendly and the food was excellent. Three of us ordered different things (Pad Thai, Green Curry, and Garlic Stir Fried Rice) all at different spice levels. We each were very pleased with our choices. There weren't too many in the restaurant but we noticed they had a lot of takeout traffic. We will definitely be back! read more

This food is amazing!! Service is great and the three times I have been here, the food has been excellent. Great place to eat in but also wonderful place for take out. I I highly recommend it! read more

Thai 303 - Thai Near Me - Longmont, Colorado

This small but clean Thai restaurant has very good food. I tried the ginger chicken with rice. Ordered a 3 on the spice level and it was perfect for spice but I tend to like it spicy. The staff was quick and kind. They do not have alcohol or they'd be perfect. It's definitely a do-over! read more

Great food and good portions! We had the egg rolls, glass noodles, and rainforest beef. All were delicious! And friendly folks.

I really really wanted to like this place. I ordered the pineapple rice. The menu said nothing about curry in the rice or I would not have ordered it. It was all curry and inedible for me. Everyone else in my group enjoyed their food, so it's three stars from me...bummed read more

I loved the clean atmosphere, the wait staff was friendly and the best part was the food! I'm plant based and they had so many options for me and my family!! read more

WOW! I just moved to the area and have been looking for a good Thai spot. This place was a very pleasant surprise. Don't let the small space and location fool you, the food is amazing! We had the pot stickers, chicken pad Thai and the beef rainforest. Pretty large helpings! I can't wait to go back and try more. read more

Had a lovely dinner with my dad and girlfriend last night. I had the glass noodles and they were amazing!!! I'm new to Thai food so I'm learning, I asked for a two spicy and could have easily got to 3 or 4. The service was prompt, friendly, and attentive. My GF had the Kao Soy which she found too sweet for her taste. They did a nice job of making the space pleasant, but it's a bit sterile, not any sense of the owners, but it was clean and tidy. I will absolutely come here again. A nice meal. read more

The service was great and fast. Very clean and neat. I had the chicken salad... so good. Awesome sticky rice. My husband had a curry fish dish that was perfect for our mild tastes. Just enough heat. We will go again. read more

Thai 303 - Thai Near Me - Longmont, Colorado

Finally stopped in and am glad I did. Simple sunny space, excellent food and courteous service. Will be back!

All good for me a experienced American type thai food consumer. Nice Staff Clean and simple place

Really good. I had Drunken Noodles and my husband had Massaman Curry. Both dishes were really great with the perfect amount of spice. We also had the Crab Rangoon and enjoyed them as well. They were very light and we thought they were perfect. Everything was very fresh and we enjoyed our meal. The service was great as well. Highly recommend. read more

My wife and I are sitting here eating for the first time. There hasn't been a lot of talking, except for "wowsers, this is so good". We can vouch for the drunken noodles and lemongrass soup (lol, Tom yum). See you again soon Thai303, glad you're here! read more