I randomly found this place while looking on Google maps for sourdough. And boy it does not disappoint. I tried the country wheat loaf and it had a crisp top with a great spring to the loaf structure and had the best tang. We also got the Lamington flux loops and thy were perfectly gooey and the icing was light and paired perfectly. So excited to see what creativity their weekly drops will bring.
Jun 15 · Madison “Murray” R.Crumbfounded - Sourdough Bakery
355 Avocado St, Costa Mesa, CA 92627, USA
Directory information can change. Confirm current hours, prices, products, dietary needs, and custom-order requirements directly with the bakery.

Essential details
- Address
- 355 Avocado St, Costa Mesa, CA 92627, USA
- Website
- Visit official site
- Rating signal
- 4.0 from 20 recorded reviews
Listed operating hours
Operating hours are not available in this directory record. Contact the bakery before visiting.
About and visit notes
Introduction / Overview
In the vibrant, culinary landscape of California, where innovation meets high-quality ingredients, Crumbfounded - Sourdough Bakery has carved out a unique and exciting niche. More than just a bakery, this Costa Mesa establishment is described as a 'rebellion against boring bread,' offering a truly imaginative and immersive experience for local bread enthusiasts. Crumbfounded specializes in small-batch sourdough treats, characterized by unique and often 'wild flavors' that draw inspiration from around the globe, particularly Asian flavor profiles.
Crumbfounded operates as a dedicated, fully vegan bakery, which is a major draw for the health-conscious and plant-based communities across Orange County and Southern California (SoCal). This commitment to veganism, combined with the use of natural sourdough fermentation, places the bakery at the forefront of the modern California food scene. They are dedicated to producing high-quality, handcrafted items that prove vegan baking can be both elaborate and incredibly satisfying. The business proudly embraces its status as a small business, allowing for tight control over quality and a focus on creative, ever-changing menus.
The bakery's philosophy, as captured by its self-description, is that 'flavor is king,' and this is evident in their inventive product list. From classic sourdough structure, noted for its 'crisp top with a great spring,' to creative savory and sweet options, Crumbfounded ensures every loaf and treat is an adventure. Their operation is primarily built around a 'pre-order drop system,' meaning customers often anticipate their weekly flavor releases with excitement, treating each purchase as a limited-edition culinary score.
While they are currently based at a dedicated location on Avocado Street, and often conduct pop-ups at places like The LAB Anti-Mall, Crumbfounded’s unique business model fosters a strong sense of community and anticipation among its California clientele. It's a destination for those who seek extraordinary flavor and a dedication to plant-based artisan craft.
Location and Accessibility
Crumbfounded - Sourdough Bakery is strategically located in the heart of Orange County, making it a convenient stop for locals from Costa Mesa, Newport Beach, and surrounding SoCal areas. The specific address is 355 Avocado St, Costa Mesa, CA 92627, USA. Costa Mesa is well-known for its dynamic mix of retail, dining, and artistic venues, and Crumbfounded fits perfectly into this creative environment.
The business is set up to welcome all patrons, prioritizing accessibility with a clear commitment to physical infrastructure. This includes a wheelchair accessible entrance and a wheelchair accessible parking lot. This ensures that the experience of picking up fresh, imaginative sourdough is hassle-free for everyone in the community.
However, it is crucial for California customers to note the unique operating model of this small business. Crumbfounded primarily functions on a pre-order drop system, which means that the process of obtaining their sourdough treats requires some advance planning. In-person visits typically require an appointment for pickup, rather than relying on standard walk-in availability throughout the week. Pickup often occurs on weekends, such as Sunday between 11:00 AM and 5:00 PM, following a Monday pre-order opening. Local users should always check the latest communication channels, like social media or their platform on Hotplate, to confirm the weekly drop schedule and exact pickup times before planning a visit.
Services Offered
As a unique, small-batch operation, Crumbfounded’s service model is focused on efficient pre-ordering and dedicated collection.
- In-store Pickup: The primary method of receiving orders, where customers collect their pre-ordered items at the designated time slot.
- Takeout: All items are prepared for takeout, catering to the grab-and-go nature of their business model.
- Pre-Order Drop System: Orders are typically placed online during specific weekly "drops" (often opening on Mondays) for pickup later in the week or weekend.
- Custom and Catering Orders: The bakery is highly recommended for parties and catering, offering both sweet and savory vegan options for large events, such as the successful baby shower catering noted in customer reviews.
- Payment Flexibility: To ensure a smooth transaction process, they accept major electronic payment methods, including Credit Cards and Debit Cards.
Features / Highlights
Crumbfounded’s standout feature is its commitment to flavor originality and high-quality, plant-based artisan baking. Their menu is anything but conventional, leaning into globally-inspired, often Asian, flavor combinations.
- 100% Vegan Offerings: The entire menu, including breads, cookies, cakes, and treats, is fully plant-based, making it an excellent resource for Orange County residents with dietary restrictions or ethical preferences.
- Sourdough Specialty: The bakery is renowned for its authentically crafted sourdough, celebrated by customers for its perfect texture, described as having a 'crisp top' and a 'great spring to the loaf structure' with an excellent 'tang.' The 'Country Wheat Loaf' is a noted classic.
- Unique Flavor Adventures: Crumbfounded embraces 'wild flavors.' Signature and seasonal items include the savory 'Chili Crisp Szechuan Pepper' and 'Malaysian Curry' loaves, the imaginative 'Dragon Fruit Sweet Eggs' (or 'Dragon Egg sourdough'), and sweet treats like 'Ube Brown Sugar,' 'Matcha White Chocolate,' and their immensely popular 'Lamington Flux Loops,' which are 'perfectly gooey.' The merging of Asian flavors with artisanal sourdough is a major highlight.
- Award-Worthy Banana Bread: Customer reviews universally praise the 'banana bread,' which is described as 'Out of this World Moist' and a 'total HITTT,' even among non-vegan guests. It’s frequently cited as a must-try item for a 'sweet morning with coffee.'
- High-Protein Options: They cater to fitness-minded Californians with options like the 'Protein Large Loaf' (or 'Protein Abs Bread'), which boasts a high protein content, offering '8g per slice WOW.' This demonstrates a commitment to functional, delicious food.
- Immersive Experience: Patrons have noted the effort put into the pickup environment, sometimes describing it as an 'immersive space' or pop-up event, contributing to a fun and unique purchase experience.
Contact Information
As a small business operating primarily through a pre-order system, direct contact information may be limited online, but the location is confirmed:
Address: 355 Avocado St, Costa Mesa, CA 92627, USA
For inquiries regarding ordering, weekly drops, or catering, local customers are best advised to check the bakery's linked online platforms, such as their Hotplate profile or dedicated social media channels, as this is where the appointment and contact information for the owners are regularly updated.
What is Worth Choosing
For any California local or visitor in Orange County, Crumbfounded - Sourdough Bakery is worth choosing for three primary reasons: unparalleled flavor creativity, commitment to vegan quality, and the excitement of their drop system.
The true draw is the 'rebellion against boring bread.' You will not find standard offerings here; you will find culinary innovation. Customers rave about the fusion of flavors, noting items like the 'Savory Chili Crisp sourdough savory Asian style' as favorites. The "Dragon Dragon Egg sourdough loaf," which one reviewer 'devoured the entire thing in about two minutes,' epitomizes the excitement the menu generates. For those looking to impress guests, the custom orders are highly recommended. One customer successfully catered a baby shower with savory loaves, dragon fruit bread, and a massive order of the beloved banana bread, all of which were a resounding success, even surprising non-vegan attendees with the exceptional quality and taste.
The quality of the sourdough base is non-negotiable, with reviewers confirming the bread has the desirable chew and 'tang' that true sourdough aficionados seek. Whether you are looking for a complex savory loaf to pair with a meal or a sweet treat like the 'Banana Bread' for a coffee break, Crumbfounded consistently delivers an artisan product. The entire purchasing experience—from anticipating the weekly flavor drop to the 'immersive' pickup—is designed to be a culinary adventure, reinforcing its status as a must-support small business and a jewel in the Costa Mesa food scene.
Services and accessibility
These attributes come from the directory record and should be confirmed when essential.
From the business
- Small business
Service options
- In-store pickup
- Takeout
Accessibility
- Wheelchair accessible entrance
- Wheelchair accessible parking lot
Planning
- Appointment required
Payments
- Credit cards
- Debit cards
See the bakery
Reviews and recurring themes
Read individual comments as personal experiences, not verified guarantees.
I recently had a baby shower and needed sweet and savory vegan options for all my 70+ guest, we ordered about 12 loaves of the chili crisp bread, 12 loaves of the dragon fruit sweet eggs, One Protein Large Loaf and ***12 banana bread*** (CHEFS KISS DELICIOUSNESS) and it was a total HITTT!As you can see by the photo, (wish I had a before photo) we had every rack and dish full of the breads and every single one of the loaves were enjoyed by everyone that didn’t even know it was vegan. I ate about 3 banana breads all by myself and had people asking me where I got them.Highly recommended for parties, catering, or for just sweet or savory vegan options.Ordering some more banana bread loaves today for a sweet morning with my coffee!!
Aug 6 · William BI found out about them from a Facebook post, advertising a pop-up in the lab. Decided to you come check them out and they did not disappoint! They had three different options and of course I had to get all three. Each little dragon egg had its own unique flavor and texture. I really enjoyed the hot, numb dragon egg! They added a little bit of more chili oil to it and that was chef’s kiss! Will I be on the lookout for another pop-up? Yes! should you be on the lookout for another pop-up? Absolutely yes! Especially if you want your food to bite back (; .
Jul 13 · Lawrence BattleThis bakery serves homemade goods that are made with love and unique flavors, typically influenced by everyone’s favorite Asian treats. They also have fun themes with every drop and amazing product design. Would totally recommend this place to anyone who wants unique flavors you can’t find anywhere else!
May 29 · Brian LawheadI am officially addicted. I have loved every bread and cookie I’ve ordered. My favorite bread so far has been the dragon loaf. It’s SO good!! I have never loved bread so much.
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