Seemor

Old Chicago Pizza RestaurantB+

41 Petaluma Blvd N, Petaluma, CA 94952 · Pizza restaurant, Bar, Restaurant

Destination for hearty Chicago-style deep dish in a historic upstairs space; expect excellent pies, lively vibes, long waits, and prices above chain pizza.

Why this grade

Old Chicago Pizza exemplifies what makes a neighborhood institution work: strong food quality with hearty deep dish that keeps regulars returning for decades, paired with distinctive historic charm in a brick-lined upstairs room. However, inconsistent execution and notably slow service prevent a higher grade, while long waits and occasional order mishaps reflect operational constraints that limit the experience despite genuine quality at the core.

The full picture

Up a flight of stairs in a brick-lined landmark, the room feels warm and bustling with views over downtown. Regulars talk about coming here since the late 70s, and one summed it up: "One slice and I was set for the night." It is lively enough that waits happen and it can get pretty noisy during peak hours. The cooking favors classic Chicago deep dish over trends: hearty, generously topped pies with a yeasty crust and bright, tangy sauce. Thin and double crusts are on deck too, plus simple salads and garlicky breads. Expect a longer bake and shareable portions; prices sit above chains but align with the quality and size. Families fit right in. Mini pizzas, plain cheese or pepperoni, Caesar or dinner salads, and warm cookies make it easy for kids, while a gluten-free small thin option helps with basic dietary needs. No kids menu needed when one slice fills a plate.

What to order here

What stands out

A few notes

Location Insights

Area vibe: Historic downtown hub with brick buildings, theaters, and casual nightlife; draws locals and visitors.

Safety: Generally safe, well-lit, steady foot traffic; typical downtown caution at night.

What's nearby: Adjacent to Mystic Theatre and shops; upstairs in Lanmart Building with views over Petaluma Blvd.

Opening Hours

Monday11:30–21:00 Tuesday Wednesday Thursday11:30–21:00 Friday11:30–21:00 Saturday11:30–21:00 Sunday11:30–21:00
See full Restaurant DNA analysis — grade reasoning, occasion fit, what to order & more →