Updated: Mar 08, 2026
Location and Projects
Address
3904 BERRYMAN AVE, Los Angeles, CA, 90066
Use our bidding system to
request a quote
Grapevine Communications Low Voltage Contractor
Grapevine Communications, 3904 Berryman Ave, Los Angeles, CA (Owned by: Robert Mark Kofmehl) holds a Low Voltage Systems license according to the California license board.
Their BuildZoom score of 100 ranks in the top 13% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Grapevine Communications, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Grapevine Communications Services
Start a project today:
Grapevine Communications Contact Information
Phone Number: (310) 398-1999
Edit
Address: 3904 BERRYMAN AVE, Los Angeles, CA 90066
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Building Permits by Grapevine Communications
This is a sample of this contractor's permits. Click here to access their complete permit history.
Ceiling data clean up above grid
Valuation:
N/A
Permit #:
25041-90000-21220
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit # 24041-30000-38331 install 182 cat6 data cables
Valuation:
N/A
Permit #:
24041-30001-38331
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit # 21041-90000-59987 revise address to read 11726 san vicente unit # 660
Valuation:
N/A
Permit #:
21041-30001-59987
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install (10) cat6 data cable
Valuation:
N/A
Permit #:
23041-30000-19630
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to permit #17041-30000-27778 to change work description to install network cabling x100 install speaker cabling x30 install security access control system install security cameras install 18/2 wiring
Valuation:
N/A
Permit #:
17041-30001-27778
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install 8 cat 6 cables
Valuation:
N/A
Permit #:
25041-90000-33729
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install 140 cat 6 network cables
Valuation:
N/A
Permit #:
24041-30000-38331
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
10 data cables
Valuation:
N/A
Permit #:
25041-90000-31220
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
4 data cables
Valuation:
N/A
Permit #:
25041-90000-31260
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install 39 cat 6 cables
Valuation:
N/A
Permit #:
21041-90000-59987
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Data cabling
Valuation:
N/A
Permit #:
25041-90000-28731
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Data cabling
Valuation:
N/A
Permit #:
24041-90000-01699
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install cat6 and coax (low voltage) wiring for 15 access points in 2 garage levels and court yards
Valuation:
N/A
Permit #:
16041-30000-25840
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental permit to collect fees for (1) additional inspection(s) per inspector dated ( ). this permit does not authorize any additional work or extend the expiration date of the original permit
Valuation:
N/A
Permit #:
07041-10002-09941
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to collect fees for (1) additional inspection(s) per inspector dated ( ). this permit does not authorize any additional work or extend the expiration date of the original permit
Valuation:
N/A
Permit #:
07041-10001-09941
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install 18 cate cables 7 ree catv cables
Valuation:
N/A
Permit #:
17041-30000-20138
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
17 data cables 17 phone cables
Valuation:
N/A
Permit #:
17041-30000-05286
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install 20 cat 6 data cables
Valuation:
N/A
Permit #:
16041-10000-28851
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install 45 cat6 data cables
Valuation:
N/A
Permit #:
22041-30000-25233
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
15 data cables
Valuation:
N/A
Permit #:
15041-30000-26995
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Similar Contractors See more
License # 945051
Torrance, CA
111
BZ Score
-
Avg Project
-
Projects
License # 957664
Simi Valley, CA
113
BZ Score
-
Avg Project
-
Projects
License # 1130701
Los Angeles, CA
112
BZ Score
-
Avg Project
-
Projects
Grapevine Communications Reviews
BuildZoom hasn't received any reviews for Grapevine Communications. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Grapevine Communications License info
Verified License
| License # | 755448 |
| Status | Active |
| State | California |
| Type | Low Voltage Systems |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Grapevine Communications at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Markel Insurance Company |
69
Permits
- Building permit records show that Grapevine Communications has worked on 69 permitted projects.
Grapevine Communications Employees
RK
Robert Mark Kofmehl
Owner