Updated: Apr 01, 2026
Location
Address
37 WHITNEY COURT, Hayward, CA, 94541
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John Gullak Drywall and Plaster Contractor
John Gullak, 37 Whitney Ct, Hayward, CA (Employee: John Francis Gullak) holds a Drywall license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John Gullak, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
John Gullak Contact Information
Phone Number: (707) 688-1021
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Address: 37 WHITNEY COURT, Hayward, CA 94541
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John Gullak License info
Verified License
| License # | 719431 |
| Status | Active |
| State | California |
| Type | Drywall |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for John Gullak at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
John Gullak Employees
JG
John Francis Gullak
Sole Owner
I ama licensed contractor and I used to always have three sheetrock bids on every job. And John always had the best price. Workmanship is tp notch and they also know about specialized soundproofing.