California's Steam Systems Authority
Reliable steam. Around the clock.
Bay City Boiler keeps California's hospitals, food plants, breweries, and process facilities running — with 24/7 emergency service, planned maintenance, and rentals when you need them yesterday.
Boiler down? We answer 24/7.
A real technician, dispatched fast — anywhere in California.
What we do
Three things we promise.
Every job we run — emergency, planned, install, or rental — traces back to these.
Pillar 01
Steam Systems Authority
Not a generalist boiler company — a deep-expertise partner in steam generation, distribution, and condensate return.
Pillar 02
Rapid Response & Ownership
When facility managers call in a crisis, we pick up, dispatch fast, and take responsibility — without deflection or excuses.
Pillar 03
Uptime Stewardship
Restoring what's broken isn't enough. We protect long-term reliability through planned maintenance and Max Uptime™.
Flagship program
Max Uptime™ Maintenance.
A scheduled program built around your boiler, your hours of operation, and your risk tolerance — so you stop worrying about the boiler room.
- Quarterly or annual technician visits
- Combustion tuning & emission compliance testing
- Steam-trap surveys with documented findings
- Priority dispatch when something does go wrong
- Annual reporting for facility & insurance audits
Who we serve
Across California's most demanding facilities.
Hospitals & Healthcare
Pharmaceutical
Food Processing
Breweries & Distilleries
Wineries
Government
Education
Manufacturing
Multi-Family & Hotels
Commercial Offices
Nurseries
Industrial Process
"Their technician was on-site within three hours on a Sunday. Our line was back up by Monday morning and we never missed a shipment. That's why we keep them on Max Uptime™."
Mark Hsu
Plant Engineer · Central Valley Food Co-op
Locations
Three offices. One team.
Bay Area HQ
23312 Cabot Blvd
Hayward, CA 94545
1·510·786·3711
Sacramento / Central Valley
4519 S. B Street
Stockton, CA 95206
1·209·490·4010
Fresno
5257 E. Pine Ave.
Fresno, CA 93727
1·559·237·1585
24/7 emergency: 1·800·225·1348 · CA State License #320288 C4 · A.S.M.E. National Board Repair Stamp holder