Deli & market · Petaluma, Sonoma County

Costeaux Petaluma

Order aheadSeating on site$$

The short answer

Costeaux Petaluma is a place to stock your picnic — costeaux artisan breads, breakfast pastries, croissants and desserts, sandwiches, salads with local produce, deviled eggs and full espresso service. YES — gourmet boxed lunches (sandwich, sweet treat, seasonal fruit salad, kettle chips) can be pre-ordered online for Petaluma pickup; catering trays and whole cakes also pre-order. It also has its own seating where you can eat.

Checked September 2026 from costeaux.comStated on the venue's own website

Details

What they sell: Costeaux artisan breads, breakfast pastries, croissants and desserts, sandwiches, salads with local produce, deviled eggs and full espresso service. YES — gourmet boxed lunches (sandwich, sweet treat, seasonal fruit salad, kettle chips) can be pre-ordered online for Petaluma pickup; catering trays and whole cakes also pre-order.
Groups: Boxed lunches need three days' advance notice for Petaluma pickup.
Hours: Daily 6am–4pm
House rules: Cashless location (cards and mobile pay only). No substitutions on boxed lunches.

What to expect

Small café inside the historic Hotel Petaluma downtown; food can be eaten in the hotel lobby or courtyard, or packaged to go.

Deli or market

Good for: Groups

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About Costeaux Petaluma

The Petaluma outpost of Healdsburg's Costeaux French Bakery (founded 1923) now operates inside the historic Hotel Petaluma, selling the bakery's breads, pastries and lunch items from early morning. For picnickers the draw is Costeaux's pre-ordered boxed lunch, which can be picked up here with three days' notice.

Pre-order boxed lunches for Petaluma pickup (3 days' notice)
Inside the historic Hotel Petaluma, downtown
Open daily from 6am
Cashless — bring a card

Make a day of it

Stock up at a deli nearby, then picnic close by — a short, easy loop.

Costeaux Petaluma (this deli & market)
Deli & market · Petaluma
Walnut Park
Park · Petaluma · about 0.5 mi away
Helen Putnam Regional Park
Park · Petaluma · about 2.6 mi away

Where to eat it: picnic spots nearby

Park

Walnut Park

Petaluma· 0.4 mi

Bring your own foodNo reservationNo alcoholDogs OK

Downtown Petaluma's best-known park is a small green with a rose-ringed gazebo, playground and picnic tables, and it hosts the Saturday farmers market in season. It is good for a quick family lunch downtown, but leave the wine in the car: glass is banned and alcohol isn't permitted.

Walnut Park

Bring your own foodChecked Sep 2026

Own food: yes
Wine allowed: no
Reservation: Not needed
Dogs: Yes
Fee: Free entry

Nearest picnic food: Della Fattoria · 0.3 mi

Details

Park

Helen Putnam Regional Park

Petaluma· 2 mi

Bring your own foodNo reservationWine allowedDogs OK

A compact wilderness park on Petaluma's southwest edge with about 6 miles of trails over grassy hills and through oak woodland, a fishing pond, and ridge-top viewpoints over the city and the southern Sonoma countryside. The playground-side picnic area and gazebo make an easy family stop that pairs well with a short hike to Cattail Pond.

Helen Putnam Regional Park

Bring your own foodChecked Sep 2026

Own food: yes
Wine allowed: yes
Reservation: Not needed
Dogs: Yes
Fee: $8/vehicle

Nearest picnic food: Ray's Delicatessen & Tavern · 1.4 mi

Details

Winery

Parum Leo Winery and Vineyard

Petaluma· 3 mi

Reserved picnicsPurchase required

A small-batch winery on Kastania Road at the southern end of Petaluma, open Friday to Sunday by appointment. Besides tastings it rents a private picnic area; the Tock booking has you bring your own food and buy wine on arrival.

Parum Leo Winery and Vineyard

Reserved picnicsChecked Sep 2026

Own food: yes
Wine purchase: Required
Reservation: Required
Dogs: not confirmed
Fee: $65/person

Nearest picnic food: Della Fattoria · 2.5 mi

Details

Park

Petaluma Adobe State Historic Park

Petaluma· 3 mi

Bring your own foodNo reservationNo alcoholDogs OK

The surviving wing of General Mariano Vallejo's Rancho de Petaluma, once the largest privately owned adobe in Northern California, restored with period workrooms and living quarters on a rural rise east of town. Its parking-lot picnic area makes an easy history-plus-lunch stop, but the park is strictly alcohol-free.

Petaluma Adobe State Historic Park

Bring your own foodChecked Sep 2026

Own food: yes
Wine allowed: no
Reservation: Not needed
Dogs: Yes
Fee: $3 admission

Nearest picnic food: Della Fattoria · 3.4 mi

Details

Frequently asked questions

What picnic food can you get at Costeaux Petaluma?

Costeaux artisan breads, breakfast pastries, croissants and desserts, sandwiches, salads with local produce, deviled eggs and full espresso service. YES — gourmet boxed lunches (sandwich, sweet treat, seasonal fruit salad, kettle chips) can be pre-ordered online for Petaluma pickup; catering trays and whole cakes also pre-order.

Sources & accuracy

We last checked this listing in September 2026 (freshest source: Official Petaluma page (current); boxed-lunch page updated Apr 2025). Policies change — especially for groups and holidays — so confirm with Costeaux Petaluma before you go. How we verify.

Suggest an update to this listing