MAINLINE SECURITY INC
This license is in good standing, but the workers’ compensation policy on file expired September 2026. If a worker is injured on your project without coverage, the liability can reach you as the homeowner. Ask for a current certificate of insurance before signing.
License
- Status
- CLEAR
- First issued
- May 22, 2004
- Expires
- May 31, 2028
- Entity
- Corporation
- Address of record
- 617 SEVENTH ST, San Francisco, CA 94103
- Phone of record
- (415) 398 6161
Contractor bond
- Surety
- AMERICAN CONTRACTORS INDEMNITY COMPANY
- Bond number
- 203893
- Amount
- $25,000
- Effective
- January 1, 2023
Workers’ compensation
- Carrier
- STATE FARM GENERAL INSURANCE COMPANY
- Policy number
- 97ESH9576
- Effective
- September 10, 2025
- Expires
- September 10, 2026lapsed
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
A contractor may only contract for work within their classifications. See all 6 licensed lock and security equipment contractors in San Francisco.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| ANDERSON JOHN JAY | Officer | May 22, 2004 | Current |
| PISETSKY ROY EDWARD | Responsible Managing Officer/Chief Executive Officer/President | May 22, 2004 | Current |
| THRASHER LAWRENCE LEE | Officer | May 22, 2004 | Current |
Verified status badge
Put this on your website or in a bid packet. It reads the state’s record live every time someone loads it, so it is never a screenshot of a good day. Free, and you don’t need to claim this listing to use it.
<a href="https://bookofbuilders.com/license/838913" target="_blank" rel="noopener">
<img src="https://bookofbuilders.com/badge/838913.svg" alt="MAINLINE SECURITY INC — California contractor license #838913 status, verified against CSLB records" width="268" height="76">
</a>The badge shows whatever the CSLB record says — including a suspension or lapsed coverage. There is no paid version and no way to change what it displays. That is what makes it worth showing. The same data as JSON if you’d rather build your own.
Is this your license?
Claim this page to add your photos, description, service area and contact details. The state’s record above stays exactly as it is — claiming adds to a page, it never edits or hides anything the CSLB reports.
Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.