Sonoma, CA

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Updated Jun 10

Gas prices near 95476

Sonoma, CA · CA average $5.79/gal

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Finding cheap gas in Sonoma (95476)

Sonoma is built around its historic Plaza, the eight-acre square that General Vallejo laid out in 1835 and the largest of its kind in California. Ringed by tasting rooms, restaurants, and galleries, the Plaza draws a steady stream of wine-country visitors, and that visitor economy shapes the local fuel market.

Highway 12 and Broadway funnel traffic into town, with the valley's wineries scattered out along Highways 12, 121, and 116, and the handful of gas stations sit along those approaches rather than near the Plaza itself. Sonoma is also only about 24 minutes from Napa, so weekend cross-valley traffic adds to the flow.

A tourist-heavy small town gives stations room to price for visitors who are not watching the pump, especially on busy weekends when the tasting rooms fill up. Locals know which stations along the main routes stay competitive and which ride the visitor traffic.

With only a limited number of stations to choose from in 95476, a quick comparison before you fill is the simplest way to skip the markup that comes with all that out-of-town demand.

How to save more on gas in Sonoma

  1. 1. Use warehouse clubs

    Costco and Sam’s Club typically price 15-25 cents per gallon below nearby stations. Membership pays for itself within a few fill-ups.

  2. 2. Fill up early in the week

    Stations often raise prices Thursday for weekend demand. Fill up Monday through Wednesday to avoid the lift.

  3. 3. Keep tires properly inflated

    Properly inflated tires improve fuel economy by up to 3 percent at current prices. Check pressure once a month.

  4. 4. Check back tomorrow

    Prices can shift 10-20 cents overnight during volatile markets. A quick check before you leave home avoids paying yesterday’s spike.

  5. 5. Pay cash at split-pricing stations

    Stations with cash and credit split pricing typically save an average of 10 cents per gallon when you pay cash.

About gas prices in California

California has the highest gas taxes in the nation at roughly 60 cents per gallon when you combine the state excise tax with the cap-and-trade program and underground storage fee. The state requires a special CARB-formulated fuel that only a handful of in-state refineries can produce, so a single refinery outage can spike prices statewide within 48 hours. Costco, Sam's Club, and Arco are typically the cheapest across Los Angeles, San Francisco, San Diego, and Sacramento metros, while Chevron, Shell, and 76 dominate freeway exits. Stations along Interstate 5 and US 101 commonly run 10 to 20 cents higher than equivalent stations a mile off the freeway.