Updated: Jun 11, 2026
Location
Address
3531 51st Ave, Sacramento, CA, 95823
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Herold & Mielenz Electrician
Herold & Mielenz,inc, 3531 51st Ave, Sacramento, CA (Employees: Shelley Diane Winn, Walter Leonard Masters, and Willaim Harold Mielenz) holds a Electrical license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Herold & Mielenz,inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Herold & Mielenz,inc Contact Information
Phone Number: (916) 205-6578
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Address: 3531 51st Ave, Sacramento, CA 95823
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Verified License
BuildZoom confirmed this contractor's license
Herold & Mielenz,inc License info
Verified License
| License # | 1156516 |
| Status | Active |
| State | California |
| Type | Electrical |
| Date Issued | 06-09-2026 |
| Business Type | Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Herold & Mielenz,inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Pie Insurance Company (The) |
Herold & Mielenz,inc Employees
SW
Shelley Diane Winn
Officer
WM
Walter Leonard Masters
Rme
WM
Willaim Harold Mielenz
Officer