Santa Rosa City Bus is a municipal-run transit agency managed by the City of Santa Rosa, with in-house operations and maintenance. It currently operates 16 local bus lines and 1 community shuttle service. Routes indicated with an asterisk (*) indicates the route does not serve Santa Rosa Transit Mall, located at 2nd & B Streets Downtown, across from Santa Rosa Plaza.
| Route | Attractions Served | Weekdays | Saturdays | Sundays | |||
| Service Span | Frequency | Service Span | Frequency | Service Span | Frequency | ||
| 1-Mendocino Avenue | Santa Rosa Junior College, Mendocino Marketplace, Kaiser, Coddingtown Mall | 5:50am-8:08pm | Every 15 to 30 minutes | 5:50am-7:50pm | Every 30 minutes | 9:50am-5:20pm | Every 45 minutes |
| 2-Sebastopol Road | Downtown Santa Rosa SMART, Roseland Village Shopping Center, Kaiser, St. Joseph's Hospital | 6:00am-8:05pm | Every 15 minutes (with 2B); every 30 minutes west of Stony Point | No Service; see Route 2B | No Service; see Route 2B | ||
| 2B-Sebastopol Road | Downtown Santa Rosa SMART, Roseland Village Shopping Center, St. Joseph's Hospital, Santa Rosa Junior College SW Campus | 6:15am-8:20pm | Every 15 minutes (with 2); every 30 minutes south of Sebastopol & Stony Point | 6:15am-8:20pm | Every 30 minutes | 10:15am-5:35pm | Every 45 minutes |
| 3-Santa Rosa Avenue | Santa Rosa Marketplace | 6:00am-7:54pm | Every 15 minutes (combined with 5); every 30 minutes south of Santa Rosa & Petaluma Hill | 6:00am-7:24pm | Every 30 minutes (combined with 5); every 60 minutes south of Santa Rosa & Petaluma Hill | 10:00am-4:24pm | Every 30 minutes (combined with 5); every 60 minutes south of Santa Rosa & Petaluma Hill |
| 4-Rincon Valley Clockwise | Montgomery Village, Montecito Center, St. Francis Shopping Center | 6:00am-7:50pm | Every 30 minutes (with 4B); every 60 minutes around Rincon Valley | 6:00am-7:50pm | Every 60 minutes | 10:00am-4:50pm | Every 60 minutes |
| 4B-Rincon Valley Counterclockwise | Montgomery Village, St. Francis Shopping Center, Montecito Center | 6:30am-8:20pm | Every 30 minutes (with 4); every 60 minutes around Rincon Valley | No Service; see Route 4 | No Service; see Route 4 | ||
| 5-Petaluma Hill Road | Santa Rosa Marketplace, Council on Aging | 6:15am-8:07pm | Every 15 minutes (combined with 3); every 30 minutes south of Santa Rosa & Petaluma Hill | 6:30am-7:52pm | Every 30 minutes (combined with 3); every 60 minutes south of Santa Rosa & Petaluma Hill | 10:30am-4:52pm | Every 30 minutes (combined with 3); every 60 minutes south of Santa Rosa & Petaluma Hill |
| 6-Fulton Road | Oliver's Market, A Place to Play Park, Raley's, Youth Community Park, Rosewood Village, NW Community Park, Coddingtown | 6:15am-8:20am | Every 30 minutes | 6:15am-7:53pm | Every 75 minutes | 9:50am-5:53pm | Every 75 minutes |
| 7-Montgomery Village/Coddingtown* | Montgomery Village, Flamingo Shopping Center, Town & Country Shopping Center, Santa Rosa Junior College, Steele Lane Community Center, Coddingtown |
7:20am-11:08am 1:20pm-5:08pm |
Every 60 minutes | No Service; alternate service partially available on Routes 1 and 8, and Sonoma County Transit | No Service; alternate service partially available on Routes 1 and 8, and Sonoma County Transit | ||
| 8-Bennett Valley | Sonoma County Central Library, YMCA, Flamingo Shopping Center, Bennett Valley Center | 6:00am-8:22pm | Every 30 minutes | 6:30am-8:22pm | Every 60 minutes | 10:30am-5:22pm | Every 60 minutes |
| 9-West 9th Street (three weekday trips operate as Route 9E) | Westside Transfer Center, Finchley Community Center | 6:15am-8:08pm | Every 30 minutes | 6:45am-8:08pm | Every 60 minutes | 10:45am-5:08pm | Every 60 minutes |
| 9E-West 9th Street (school days only) | Westside Transfer Center, Finchley Community Center, Santa Rosa Charter for the Arts, Santa Rosa Middle School |
7:15am-7:42am 1:45pm-3:12pm |
AM: one trip PM: two trips, at 1:45pm and 2:45pm |
No Service; see Route 9 | No Service; see Route 9 | ||
| 10-Coddingtown/Coffey Lane | Coddingtown, Charles Schulz Museum, Sutter Hospital, Northside Shopping Center, Roundbarn Rd (weekdays only), Kaiser Hospital, Golden Gate Transit | 6:00am-8:01pm | Every 30 minutes | 7:45am-5:36pm | Every 60 minutes | 9:45am-4:36pm | Every 60 minutes |
| 12-Roseland | Downtown Santa Rosa SMART, Auto Row, Department of Motor Vehicles, SW Community Park, Roseland Village Shopping Center | 6:15am-8:11pm | Every 30 minutes | 6:15am-7:41pm | Every 60 minutes | 10:15am-4:41pm | Every 60 minutes |
| 15-Stony Point Road* | Coddingtown, Santa Rosa North SMART, Marlow Center, Westside Transfer Center, Finley Park, Oliver's Market, Elsie Allen Teen Clinic, SW Community Park | 6:20am-8:10pm | Every 60 minutes |
8:20am-12:10pm 1:20pm-5:10pm |
Every 60 minutes | 10:20am-5:10pm | Every 60 minutes |
| 16-Oakmont Circulator* | Oakmont Central Complex, Bennett Valley Center (Mondays), Montgomery Village (Tuesdays), St. Francis Center (Wednesdays and Fridays), Montecito Oliver's (Wednesdays), Farmer's Lane CVS (Thursdays), 4th Street Safeway (Thursdays) |
8:15am-3:50pm (Shopping trip from 9:15am to 10:23am, then from 11:40am to 11:59am) |
Every 60 minutes within Oakmont, once-a-day shopping trip | No Service; alternate service available with Sonoma County Transit Route 30 | No Service; alternate service available with Sonoma County Transit Route 30 | ||
| 18-East Circulator | Sonoma County Fairgrounds, Farmer's Lane Plaza, Montgomery Village, Mayette Village Shopping Center | 7:20am-5:07pm | Every 60 minutes | 10:20am-5:07pm | Every 60 minutes | 10:20am-5:07pm | Every 60 minutes |
| 19-North Circulator* |
West of Coddingtown: Santa Rosa North SMART, Finley Park, Westside Transfer Center, Marlow Center, Raley's East of Coddingtown: Steele Lane Community Center, Mendocino Marketplace, Fountaingrove Village Shopping Center |
8:20am-12:02pm 1:20pm-5:02pm |
Every 75 minutes | No Service; alternate service partially available on Routes 1, 6, 9, and 15, and Sonoma County Transit | No Service; alternate service partially available on Routes 1, 6, 9, and 15, and Sonoma County Transit | ||
