Pizza restaurants in Boulder, CO open late

Cosmo's Pizza (Baseline & 30th)

Cosmo's is the Boulder late-night default: enormous hand-tossed slices out of a deck oven, and a house spicy ranch that people buy by the jar. The Baseline and 30th shop is the one that stays open latest, and on weekends it fills with students after the bars empty out. It is a counter with a few tables rather than a restaurant, so seating gets tight when the rush lands. Reviewers occasionally grumble about a scorched bottom on the dough; almost nobody grumbles about the ranch.

Cosmo's Pizza (North Boulder)

The same Cosmo's slices and spicy ranch, in the 28th Street shop north of downtown. It keeps ordinary hours early in the week and then stretches to midnight from Thursday on, which makes it the north-side answer when the campus end of town is a hassle. Inside seating is small with a few tables outdoors, and reviewers single out the staff and how consistently huge the slices come out. Same kitchen, shorter night than the Baseline store.

Domino's Pizza (28th Street)

Nobody's idea of a night out, but at midnight on a Tuesday this store is still taking orders when most of Boulder's kitchens have shut, and it runs an hour later than that on weekends. Everything happens through the app or the phone: delivery or takeout, no dining room worth the name. The aggregate score here is the lowest on this list and reads like delivery gripes as much as food, so treat it as an hours-of-operation answer rather than a pizza recommendation.

Brooklyn Pizza

A straightforward New York slice shop on Arapahoe: whole-milk mozzarella, big foldable slices, and specialty pies like sausage and rabe sitting on the counter next to plain cheese. It is a counter operation rather than a night out, and it only stretches past ten on Friday and Saturday, so plan it as a weekend stop. It is closed Sundays, which catches people out. There is a small lot behind the building, which in this stretch of Boulder counts as a feature.

New Yorkese

New Yorkese runs the upstairs counter at Avanti F&B on Pearl Street, so you order a pie and carry it to a rooftop table looking at Pearl Street and the Flatirons. The dough is the whole argument: a blend of freshly milled spelt, rye and bread flours matured for 72 hours, chasing a Naples chew with New York crispness. One thing to plan around is that they sell whole pies rather than slices, so this is a sit-down-with-friends stop, not a grab-one-and-go one.

Pizza Hut Express (Pearl Street)

This Pearl Street location is an Express store, which means a carryout counter and nothing else: no dining room and no delivery from here. What it has going for it is an eleven o'clock close every night of the week, later than most of Boulder's sit-down pizzerias manage on a weeknight. The menu is the chain's own, pan and stuffed crust included. Very few people have rated this particular store, so read its score with that in mind.

Blackjack Pizza & Salads

A Colorado chain that has been feeding Boulder for years out of the Walnut Street store, ordered online or by phone for delivery or pick-up. It is not trying to be an occasion: the draw is a well-cooked crust, a heavy hand with toppings, and a kitchen that builds the pizza the way you asked. Reviewers say the online ordering flow can be confusing and that the staff sorts it out when it is. It runs late enough on Friday and Saturday to catch the end of a night, and shuts at ten the rest of the week.

The Sink

Open since 1923 and about as Boulder as a room gets: graffitied ceilings, low light, a proper bar, and a pizza that locals argue about with the burgers. It sits on the Hill a block from campus and runs an hour later on Friday and Saturday than the rest of the week. This is the entry on the list where staying out late means sitting down with a beer rather than carrying a box home. It is not cheap for pizza, and it is busiest exactly when you would want to go.

Pasta Jay's

An Italian restaurant that has been on Pearl Street since 1988, built on family red-sauce recipes, with pizza as one part of a much wider menu rather than the whole act. Downtown Boulder counts it among the late-night kitchens, and it holds an eleven o'clock close on Friday and Saturday with a late happy hour starting earlier in the evening. Every account calls it cozy and family-friendly, and the owner is present enough to answer reviews himself. Come for a table and a plate, not a slice at a counter.

Little Caesars (28th Street)

The cheapest way to have a hot pizza in your hands at eleven o'clock, and the only entry here that keeps exactly the same closing time seven nights a week. It is a pickup counter on 28th Street, with no-contact delivery and a Pizza Portal locker if you order ahead on the app. Nobody is going to tell you this is Boulder's best pizza, but the hours are honest, the wait is short, and the price is the entire point.