Updated: Jul 14, 2026
Location and Projects
Address
5961 E 38TH AVE, Denver, CO, 80207
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High Mark Communications Low Voltage
High Mark Communications Low Voltage, 5961 E 38th Ave, Denver, CO (Owned by: David Grothoff) holds a General D license and 4 other licenses according to the Douglas County license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring High Mark Communications Low Voltage, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
High Mark Communications Low Voltage Services
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High Mark Communications Low Voltage Contact Information
Phone Number: (303) 451-6961
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Address: 5961 E 38TH AVE, Denver, CO 80207
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Building Permits by High Mark Communications Low Voltage
This is a sample of this contractor's permits. Click here to access their complete permit history.
Mcdonalds rest. installation of sound and drive thru system
Valuation:
N/A
Permit #:
LV23-0013
Status:
final
Fee:
$411
Permit Type:
Commercial sub co...
Building Type:
N/A
New addition enlarging existing sunroom cabana guest room (no 220 outlet or kitchen) deck with spa
Valuation:
$223,905
Permit #:
12-110631 BP
Status:
Active
Fee:
N/A
Permit Type:
434 additions & a...
Building Type:
N/A
Low voltage for music speakers & data
Valuation:
$1,300
Permit #:
E*1305441*3
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
008 misc. fee application fees $ 95 building d cntr-single tr $ 130
Valuation:
N/A
Permit #:
1713518
Status:
issued
Fee:
N/A
Permit Type:
008 misc. Fee
Building Type:
N/A
Low voltage wiring
Valuation:
$11,176
Permit #:
14-10772
Status:
issued
Fee:
$204
Permit Type:
Low voltage wiring
Building Type:
N/A
Low voltage for ceiling music speakers
Valuation:
$1,700
Permit #:
E*1206130*4
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Arby's low voltage drive thru
Valuation:
N/A
Permit #:
ELEC16-0269
Status:
final
Fee:
$200
Permit Type:
Commercial sub co...
Building Type:
N/A
Trail village - umber cir
Valuation:
N/A
Permit #:
SITE15-00013
Status:
final
Fee:
$1,000
Permit Type:
< 1 acre
Building Type:
N/A
Low voltage for 2 speakers
Valuation:
$382
Permit #:
E*1206791*3
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
008 misc. fee building d cntr-single tr $ 130
Valuation:
N/A
Permit #:
1815362
Status:
issued
Fee:
N/A
Permit Type:
008 misc. Fee
Building Type:
N/A
Freddy's low voltage drive thru
Valuation:
N/A
Permit #:
ELEC16-0008
Status:
final
Fee:
$50
Permit Type:
Commercial sub co...
Building Type:
N/A
Low voltage drive thru system & back ground music
Valuation:
$5,958
Permit #:
E*170097*3
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Drive thru system & ceiling sound speaker
Valuation:
$640
Permit #:
E*161920*5
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
008 misc. fee building d cntr-single tr $ 130
Valuation:
N/A
Permit #:
1717888
Status:
issued
Fee:
N/A
Permit Type:
008 misc. Fee
Building Type:
N/A
102 telephone background music
Valuation:
$926
Permit #:
E*166874*2
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2m3-r18 low voltage sound system & speakers
Valuation:
$1,200
Permit #:
E*108128*4
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Low voltage intercom, music,camera
Valuation:
$20,000
Permit #:
E*125693*2
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Low voltage sound system/ sattelite radio
Valuation:
$1,500
Permit #:
E*114824*3
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Low voltage/drive thru intercom system
Valuation:
$625
Permit #:
E*117075*5
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Drive-thru intercom system/low voltage
Valuation:
$625
Permit #:
E*115407*4
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
High Mark Communications Low Voltage License info
Verified License
| License # | D140525 |
| Status | Active |
| County | Douglas County |
| Type | General D |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for High Mark Communications Low Voltage at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC2136 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for High Mark Communications Low Voltage at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2136 |
| Status | Active |
| Town | Parker |
| Type | Contractor, Electrical |
- BuildZoom has not verified this license since March, 2017.
Verify this license's status for High Mark Communications Low Voltage at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC2136 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
- According to the The City of Arvada, Colorado, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for High Mark Communications Low Voltage at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0013804 |
| Status | Inactive |
| Pueblo | |
| Type | Low Voltage |
- According to the Pueblo regional Building Department, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for High Mark Communications Low Voltage at the Pueblo regional Building Department.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
22
Permits
- Building permit records show that High Mark Communications Low Voltage has worked on 22 permitted projects.
High Mark Communications Low Voltage Employees
DG
David Grothoff
Owner