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Electrical Contracting Services

Professional Electrical Services
You Can Trust

Herold & Mielenz, Inc. has been serving Northern California since 1945 with a reputation built on quality workmanship, reliability, and exceptional customer service. We’re proud to expand our capabilities by offering professional electrical contracting services for residential, commercial, agricultural, and industrial customers.

Whether you need a small electrical repair, a complete installation, or ongoing maintenance, our experienced team is committed to providing safe, code-compliant, and dependable solutions tailored to your needs.

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Our Electrical Contracting Services

Commercial Electrical

• New construction electrical installations
• Tenant improvements
• Office and retail electrical services
• Lighting installation and LED upgrades
• Electrical troubleshooting and repairs
• Panel upgrades and replacements
• Circuit installations
• Emergency electrical repairs
• Preventative maintenance

Industrial Electrical

• Industrial equipment installation
• Motor controls and starters
• Motor installation and replacement
• Disconnects and control panels
• VFD (Variable Frequency Drive) installation
• PLC wiring support
• Conveyor and production equipment wiring
• Plant electrical maintenance
• Equipment relocation
• Electrical troubleshooting
• Preventative maintenance
• Emergency service calls

Agricultural Electrical

• Irrigation pump electrical systems
• Pump control troubleshooting
• Motor installations
• Grain handling equipment wiring
• Shop and barn electrical
• Service upgrades
• Lighting installations
• Electrical maintenance and repairs

Residential Electrical

• Electrical panel upgrades
• Circuit additions
• Interior and exterior lighting
• Ceiling fan installation
• Dedicated appliance circuits
• EV charger installation
• Troubleshooting and repairs
• GFCI and AFCI protection upgrades
• Remodel and addition wiring
• General electrical maintenance

industrial controls

Why Choose Herold & Mielenz?

  • Serving Northern California since 1945
  • Family-owned and operated
  • Licensed electrical contractor
  • Experienced industrial and commercial professionals
  • Fast, dependable service
  • Safety and code compliance are our priority
  • Quality workmanship backed by decades of experience
  • Responsive customer service

More Than Electrical Contracting

Unlike many electrical contractors, Herold & Mielenz also specializes in electric motor repair, rewinds, sales, vibration analysis, laser alignment, and predictive maintenance. Our combined expertise allows us to diagnose and solve electrical and motor-related issues efficiently, helping reduce downtime and keep your operation running.

Herold & Mielenz, INC. – License # 1156516

Request a Quote

Whether you’re planning a new project, upgrading existing equipment, or need emergency electrical service, our team is ready to help.

Contact Herold & Mielenz today to schedule a consultation or request a free estimate.

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