Sonoma County Transit

What Sonoma County Transit does

Sonoma County Transit (SCT) is the public fixed-route bus and paratransit agency operated by the County of Sonoma, California, providing transit service across all nine incorporated cities (Santa Rosa, Petaluma, Rohnert Park, Cotati, Sebastopol, Windsor, Healdsburg, Cloverdale, Sonoma) and unincorporated communities. Its network comprises 27+ fixed bus routes organized into fare-free local shuttles subsidized by partner cities and zone-based fare intercity routes, plus a complementary ADA Paratransit Service (operated by Volunteer Wheels) within three-quarters of a mile of fixed routes, supported by 20+ park-and-ride facilities. The underlying technology stack is conventional public-transit infrastructure: wheelchair-accessible low-floor buses with front-mounted bike racks, GTFS-formatted schedule data, real-time tracking delivered through ridesctransit.com, Google Maps, Transit App, and 511.org, and Clipper Card payment interoperability across the Bay Area.

Sonoma County Transit operates under a hybrid revenue model dominated by government funding — Sonoma County general fund, GoSonoma/Measure M, Metropolitan Transportation Commission grants, federal sources, and city-level subsidies for fare-free programs — supplemented by zone-based passenger fares ($1.50-$4.80 adult; seniors/disabled at half price), 31-Day passes, paratransit ticket books, and a small advertising business ($350-$450 per vehicle per month for rear-bus and paratransit-van placements). Customer segments are deliberately fragmented and economically targeted: general commuters, seniors 65+, ADA-eligible persons, youth 18 and under (fare-free), college students at SRJC, Sonoma State, and Empire College (fare-free), and U.S. veterans (fare-free). The agency is currently running a multi-year Strategic Transit Plan (2026-2027) with regional partners and external consultants to redesign the network over a five-year horizon.

The agency's competitive position rests on its exclusive public-agency mandate, a physical route network that cannot be economically replicated, and deep interoperability with regional partners (SMART rail at five stations, Golden Gate Transit, Amtrak Thruway, Santa Rosa CityBus, Petaluma Transit, Mendocino County Transit). It holds ADA and Title VI compliance certifications and offers free transfers within three hours across the zone system. Strategic positioning in 2024-2026 has been oriented toward service expansion (Route 51 evening service launched April 2026), access democratization (youth fare-free program launched August 2024 and extended), and ecosystem integration (Clipper START, GTFS developer data).

Name

Sonoma County Transit

Legal name

Sonoma County Transit

Website

https://sctransit.com

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

1–10 employees

Short description

Sonoma County Transit is the public bus and paratransit agency of the County of Sonoma, California, operating 27+ fixed routes and ADA paratransit service across nine cities and unincorporated communities, funded by government grants, fares, and city-subsidized fare-free local routes.

Ownership category

akta.pro rank

Product category

Public Transit Services

NAICS

Bus and Other Motor Vehicle Transit Systems (485113), Special Needs Transportation (485991)

SIC

Local & Suburban Transit & Interurban Hwy Passenger Trans (4100)

akta.pro industry

PRIMARYTLAFAGAI

Paratransit / ADA Complementary Bus Operators

Transportation & Logistics/Passenger Transportation (Air, Rail, Bus, Taxi/Rideshare)/Public Transit Bus Operators (Municipal/Regional)

SECONDARYTLAFAKAI

Special Needs & Senior Transportation Services

Transportation & Logistics/Passenger Transportation (Air, Rail, Bus, Taxi/Rideshare)/Paratransit & Non-Emergency Medical Transportation (NEMT)

SECONDARYTLAFAJAI

Community & Senior Transportation Shuttles (Dial-a-Ride, Non-ADA)

Transportation & Logistics/Passenger Transportation (Air, Rail, Bus, Taxi/Rideshare)/Demand-Responsive Transit / Microtransit & Shuttle Services

Keywords

• Public bus transit
• ADA paratransit service
• Fixed-route transportation
• Regional transit network
• Fare-free shuttle service

Headquarters

HQ city

Santa Rosa

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Supply Chain, Marketing or Sales, Others

Revenue model

1. Passenger Fares: Zone-based fares charged to passengers for transit service. Adult fares range from $1.50 for first zone to $4.80 for across 5 zones. Senior/disabled fares are half price. Veterans ride free.
2. Government Funding: Sonoma County Transit receives funding from Sonoma County, GoSonoma/Measure M, Metropolitan Transportation Commission (MTC), and federal sources. Local fare-free programs are subsidized by cities including Cloverdale, Healdsburg, Sebastopol, Windsor, and Sonoma.
3. Bus Advertising: Revenue generated from advertising on buses and paratransit vehicles. Rear bus ads: $450/month per bus. Paratransit van ads: $350/month per vehicle.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels9 records

Core offering

Sonoma County Transit operates public fixed-route bus transportation across 27 routes serving nine incorporated cities and unincorporated communities in Sonoma County, California, with wheelchair-accessible low-floor vehicles and exterior bike racks. It complements the fixed-route system with ADA-compliant paratransit shared-ride service for passengers with disabilities and supports regional connectivity to SMART rail, Golden Gate Transit, Amtrak, Santa Rosa CityBus, and Petaluma Transit. Fares are zone-based with free transfers, fare-free local routes, and free programs for youth, veterans, and college students.

Product overview

Sonoma County Transit is a public transit agency providing fixed-route bus service and ADA paratransit services throughout Sonoma County, California. The core offering consists of 27 fixed bus routes organized into two categories: local fare-free routes (Routes 10, 12, 14, 24, 28, 32, 66, 67, 68) subsidized by participating local cities, and intercity routes (20, 30, 40, 44, 48, 60, 62) with zone-based fares. Complementary ADA Paratransit Service is provided for eligible persons with disabilities. The transit network connects cities including Santa Rosa, Petaluma, Rohnert Park, Cotati, Sebastopol, Windsor, Healdsburg, Cloverdale, and Sonoma Valley.

Differentiator

Problem solved

Functional benefit

Products and services

• Fixed-Route Bus Service Local and intercity public bus transportation across Sonoma County, California, with zone-based fares, free transfers within three hours, wheelchair accessibility, and bike racks.
• ADA Paratransit Service Shared-ride door-to-door paratransit service for persons with disabilities unable to use lift-equipped fixed-route buses independently, available within 3/4 mile of fixed routes during the same hours and days as fixed-route service.
• Local Fare-Free Routes Nine local routes (10, 12, 14, 24, 28, 32, 66, 67, 68) that operate fare-free for all riders as part of the local fare-free pilot program subsidized by participating cities and Sonoma County.
• Route 51 Temporary Evening Service Temporary evening route providing southbound service from Petaluma Transit Mall to Novato Transit Hub and returning north to Petaluma, Rohnert Park, and Santa Rosa Transit Mall, funded by the Metropolitan Transportation Commission (MTC).
• Youth Ride Fare-Free Program Program allowing all passengers aged 5-18 to ride fare-free on Sonoma County Transit with proof of age, supported by the Sonoma County Climate Resilience Program and GoSonoma funding.
• Transit Advertising Out-of-home advertising placements on rear of fixed-route buses ($450/month per bus; sizes 70"x21", 60"x21", 68"x17") and paratransit vans ($350/month per vehicle; size 48"x18"), reaching an estimated 1.2 million monthly impressions per fixed-route bus campaign.

Quantifiable outcome

• Approximately 10.5 million annual visitors to Sonoma County can be reached through transit advertising
• +1 more outcomes

Named customers7 records

Segments7 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

Feature3 records

Partnerships

13 partnerships are on record, tiered core and minor.

• Sonoma County Transportation & Climate Authorities (SCTCA)coreStrategic or Co-development PartnerSCTCA is a key partner in the Strategic Transit Plan initiative, working with SCT, Santa Rosa CityBus, and Petaluma Transit to guide transit improvements over a five-year period from 2026 through early 2027.
• Santa Rosa CityBuscoreStrategic or Co-development PartnerPartner in Strategic Transit Plan and transit connections. Services connect at downtown Santa Rosa transit mall.
• Petaluma TransitcoreStrategic or Co-development PartnerPartner in Strategic Transit Plan and transit connections. Services connect at Petaluma Transit Mall and Petaluma SMART station.
• Golden Gate TransitcoreChannel Partner/ Reseller/ DistributorRegional transit service connecting Sonoma County with Marin, San Francisco, and Contra Costa Counties. Routes 12, 14, 20, 30, 34, 40, 42, 44, 48, 60, and 62 connect with Golden Gate Transit.
• SMART (Sonoma-Marin Area Rail Transit)coreChannel Partner/ Reseller/ DistributorRail service connecting Sonoma County Airport with Larkspur. SMART stations served by SCT include Guerneville Road, Railroad Square (downtown Santa Rosa), Rohnert Park, Cotati, and Petaluma.
• AmtrakminorChannel Partner/ Reseller/ DistributorAmtrak Thruway bus service connects McKinleyville to Martinez with stops in Cloverdale, Healdsburg, Santa Rosa, Rohnert Park, and Petaluma.
• Petaluma TransitcoreChannel Partner/ Reseller/ DistributorPublic transportation within Petaluma city limits. SCT routes connect with Petaluma Transit at downtown Petaluma locations.
• Santa Rosa CityBuscoreChannel Partner/ Reseller/ DistributorPublic transportation within Santa Rosa city limits. SCT routes connect with CityBus services at downtown Santa Rosa transit mall and other locations.
• Mendocino County TransitminorChannel Partner/ Reseller/ DistributorRoutes 65 and 95 connect with SCT routes in Santa Rosa, providing public transportation to Mendocino County.
• VRPA Technologies, Inc.minorImplementation/ SI/ Consulting PartnerConsultant team member for the Strategic Transit Plan project, providing planning and technical expertise.
• Via Mobility, LLCminorImplementation/ SI/ Consulting PartnerConsultant team member for the Strategic Transit Plan project, providing mobility planning expertise.
• Sonoma State UniversityminorStrategic or Co-development PartnerCollege student subsidized fare program supported by County of Sonoma and Sonoma State University. SSU served by Routes 10 and 44.
• Santa Rosa Junior CollegeminorStrategic or Co-development PartnerCollege student subsidized fare program supported by SRJC. SRJC Santa Rosa campus and Petaluma campus served by multiple SCT routes.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Santa Rosa CityBus: Santa Rosa's municipal bus operator is SCT's most direct local peer and Strategic Transit Plan co-partner. It operates intra-city routes that connect with SCT services at the downtown Santa Rosa Transit Mall, serving overlapping riders in the same county.
• Petaluma Transit: Petaluma's municipal bus operator is a Strategic Transit Plan co-partner and overlaps with SCT in Petaluma, connecting at the Petaluma Transit Mall and SMART station. Comparable in scale and service model.
• Mendocino Transit Authority: Mendocino County's regional bus operator connects with SCT in Santa Rosa (Routes 65/95). Similar rural-county operating model with low-density coverage and inter-county connections to Sonoma.
• Fairfield and Suisun Transit (FAST): Solano County's local bus operator serving Fairfield and Suisun City is a comparable small-city transit system with fixed routes, paratransit, and connections to regional services — a similar mid-scale county agency.
• Marin Transit: Marin County's transit agency is a near-perfect functional peer: fixed-route local shuttles, intercity routes, ADA paratransit, and direct Golden Gate Transit/SMART integration — mirroring SCT's Bay Area regional rail connection model.
• Solano County Transit (SolTrans): Solano County's fixed-route bus and paratransit operator is comparable in scale — a multi-city Northern California county transit agency with local routes, intercity service, ADA paratransit, and regional connections.
• Napa Valley VINE: Napa County's fixed-route and paratransit operator is highly comparable in scale and structure — a county-level bus agency with local shuttles, intercity routes, ADA paratransit, and connections to regional rail — serving a similar wine-country demographic and tourism base.

Broad incumbents

• SamTrans (San Mateo County Transit District): San Mateo County's bus operator is a larger Bay Area peer with a similar service mix (fixed-route, ADA paratransit, express buses) but broader regional scope and funding base; useful as a scale benchmark.
• AC Transit: Alameda-Contra Costa Transit is a much larger East Bay bus operator offering overlapping capabilities (fixed-route, paratransit, regional connections), useful as a broad incumbent benchmark for Bay Area transit operations.

Others

• SMART (Sonoma-Marin Area Rail Transit): The Sonoma-Marin commuter rail line is a partner agency and functional neighbor — five of its stations are served by SCT routes, making SMART a critical feeder rail system and ecosystem participant for SCT's network.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/SoCo_PI
• Facebookfacebook.com/SonomaCountyTransit
• Instagraminstagram.com/sonomacountytransit
• LinkedInlinkedin.com/company/sonoma-county-transit

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sonoma County Transit