Location
Winterhalter Harry & Son Window Contractor
Winterhalter Harry & Son Co at 21597 HAVILAND AVENUE, Hayward, CA 94541, held a Window Contractor license (#422801) with the California contractors license board with an expiration date of 05-31-1988. We last verified the license was expired on 05-08-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Winterhalter Harry & Son Co Contact Information
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Winterhalter Harry & Son Co License info
Inactive License
| License # | 422801 |
| Status | Inactive |
| State | California |
| Type | Awnings, Waterproofing & Weatherproofing, Window Coverings |
| Business Type | Partnership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Winterhalter Harry & Son Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Winterhalter Harry & Son Co, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $5,000 |