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Welcome to Diamond Pi Company

Diamond Pi Company, located in Monticello, IA, is a delightful eatery known for its scrumptious pizza and inviting atmosphere. Patrons rave about the nostalgic pan crust reminiscent of famed chain pizzas, alongside fresh and flavorful salads. The inviting buffet offers exceptional value, making it a hit for families. The vibrant ambiance features a small arcade, keeping kids entertained, while the iconic train runs along the ceiling, adding a touch of charm. With attentive service and mouthwatering offerings like the BLT deep pan pizza, Diamond Pi Company is a must-visit for pizza lovers and families seeking comfort food in a friendly setting.

LOCATIONS
  • Diamond Pi Company
    601 S Main St, Monticello, IA 52310, United States
    601 S Main St, Monticello, IA 52310, United States Hotline: +1 319-465-5477

Welcome to Diamond Pi Company, a hidden gem nestled in the heart of Monticello, Iowa. Located at 601 S Main St, this vibrant eatery is quickly becoming the go-to destination for pizza lovers and families alike. Known for its inviting atmosphere and friendly service, Diamond Pi Company offers a delightful experience for everyone who walks through its doors.

The star of the menu at Diamond Pi Company is undoubtedly their pizzas. Customers rave about the classic BLT deep pan pizza, which has been described as “phenomenal.” The thick, crispy crust closely resembles the nostalgic pan pizzas of Pizza Hut's golden years, offering a comforting bite that transports you back in time. Each pizza is prepared fresh, ensuring that every slice is hot and delicious, just like the glowing review from Megan Smith, who praised the affordability of the dinner buffet and the freshness of the ingredients.

Aside from the pizza, the experience is rounded out with a selection of fresh, crunchy salads—a perfect accompaniment to your meal. The friendly staff ensures that your visit is not just about great food but also about exceptional service, making you feel right at home. The welcoming environment is complemented by a small arcade area to entertain children, making it an ideal spot for family outings. Elliot Koppenhaver fondly recalls the nostalgia of a train running along the ceiling, a charming throwback that adds a unique touch to your dining experience.

Whether you're craving a crowd-pleasing meat lovers pizza or cheesy breadsticks, Diamond Pi Company is here to deliver. Patrons looking for a wallet-friendly option will be pleased to find their budget-friendly buffet, making it easy for families to dine without breaking the bank. And like Jo Barnhart, who discovered the joy of piping hot pizza during a workplace delivery, you’ll likely find yourself returning for more.

With glowing reviews from satisfied customers like Stacey Wilcox and Patty Oberbreckling, it’s clear that Diamond Pi Company is building a name for itself in the local culinary scene. So why not gather your loved ones and make a trip? Whether it’s for a casual dinner or a fun family night out, Diamond Pi Company promises an unforgettable dining experience filled with flavor and warmth. Don’t forget to check out their Facebook page for the latest updates and specials!

START YOUR REVIEW OF Diamond Pi Company
Stacey Wilcox
Stacey Wilcox

This place has great pizza! My husband and I agreed that the crust is very similar to what Pizza Hut pan crust used to be years ago. Clean place and good service. Would definately go back again!

Megan Smith
Megan Smith

The salad was fresh and crunchy and the BLT pizza was hot and delicious. We had 3 people eat the dinner buffet and our bill was under 21. Affordable buffet—check out their Facebook page for details! We certainly will visit again.

Elliot Koppenhaver
Elliot Koppenhaver

Good food, friendly staff all in a nice clean restaurant. They have a small arcade area to keep kids entertained and they STILL have the train that follows along the ceiling/walls. 26 years ago when I was kid they (Happy Joe's) had that train. Love it.

Patty Oberbreckling
Patty Oberbreckling

We had a BLT deep pan pizza and it was phenomenal!!!! Great service and just extraordinary food!!!

Jo Barnhart
Jo Barnhart

Our sales rep brought in pizza and breadsticks for us from here today. Wow! Everyone really enjoyed the pepperoni, meat lovers pizza and cheese breadsticks! We will definitely be going in person sometime!

Riding Red
Riding Red

Great service! Great food! Reasonable prices and they have daily (or maybe weekend pricing specials) ..either way! Kids will love the arcade and prize counter.

Jennifer Allyson Nebbia
Jennifer Allyson Nebbia

Every experience I’ve had at Diamond Pi has been great! The food is always top notch and they continue to offer new and exciting options. Just had the Mac and cheese pizza and a Chicago style taco pizza for the first time - both so good!! The cheese sticks and dessert pizza are both some of my favorites I get every time. Definitely a must try spot for food if you’re in the area.

Ellen Agan
Ellen Agan

I'm a big pizza fan . AND I'm very picky.past few years I make my home made pizza Until I FOUND Monticello. DIAMOND PI. At first I was expecting to be disappointed. When the pizza got here the delivery guy was nice. The pizza was awesome. The crust perfect.. The sauce was better then any other.and I ordered Supreme.the ingredients We're well distributed.and there wasn't big chunks (Most places.you can tell they just throw on the toppings like they could care less.).it was the best pizza I have had in years Not kidding Oh yea there onion rings Rock also..now I order it Every Sunday Thank you. Diamond pi