Updated: May 20, 2026
Instate Service Group HVAC/Mechanical Contractor
Instate Service Group, 533 F St, San Diego, CA (Employees: David Alan Harper and Jamie O'neill Johnson) holds a Plumbing license according to the California license board.
Their BuildZoom score of 97 ranks in the top 18% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Instate Service Group, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
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Instate Service Group Contact Information
Phone Number: (619) 323-1741
Address: 533 F St Suite 205, San Diego, CA 92101
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Instate Service Group License info
Verified License
| License # | 1151808 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Date Issued | 03-11-2026 |
| Business Type | Ltd Liability |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Instate Service Group at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
Insured
| Insurer | Scottsdale Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Platte River Insurance Company |
| Bond Value | $25,000 |
Instate Service Group Employees
DH
David Alan Harper
Rmo
JJ
Jamie O'neill Johnson
Manager