Clear

GRAPEVINE COMMUNICATIONS

License #755448Los AngelesSole OwnerLicensed since October 19, 1998

License

Status
CLEAR
First issued
October 19, 1998
Expires
October 31, 2026
Entity
Sole Owner
Address of record
3904 BERRYMAN AVE, Los Angeles, CA 90066
Phone of record
(310) 398 1999

Contractor bond

Surety
AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond number
100172361
Amount
$25,000
Effective
January 1, 2023

Workers’ compensation

Carrier
NORGUARD INSURANCE COMPANY
Policy number
ROWC711760
Effective
February 9, 2026
Expires
February 9, 2027

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 151 licensed low voltage systems contractors in Los Angeles.

People on this license

NameTitleSinceThrough
KOFMEHL ROBERT MARKSole OwnerOctober 19, 1998Current
KOFMEHL ROBERT MARKSole OwnerDecember 3, 1999January 1, 2004

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.

GRAPEVINE COMMUNICATIONS — California contractor license #755448 status, verified against CSLB records
<a href="https://bookofbuilders.com/license/755448" target="_blank" rel="noopener">
  <img src="https://bookofbuilders.com/badge/755448.svg" alt="GRAPEVINE COMMUNICATIONS — California contractor license #755448 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.