Updated: May 12, 2026
Location and Projects
Address
10 Elm St, Worcester, MA, 01608
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Knight Security Electrician
Full Security Alarm Service
www.massalarm.com
From BuildZoom:
Their BuildZoom score of 0 does not rank in the top 50% of Massachusetts contractors.
If you are thinking of hiring Knight Security, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Knight Security Services
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Knight Security Contact Information
Phone Number: (508) 641-5191
Address: 10 Elm St, Worcester, MA 01608
Knight Security Reviews
5 out of 5 stars, based on
1
review
-
By AnonymousDecember 8, 2014Security System$9001 dayGreat experience
This is a sample of this contractor's permits. Click here to access their complete permit history.
Barn utility closet - low voltage wiring into fire alarm control panel - incorporate supression system into fire alarm control panel
Valuation:
$2,000
Permit #:
20-23E
Status:
complete
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Fire alarm maintenance and update current fire alarm system (remove and replace existing devices)
Valuation:
N/A
Permit #:
FIR242697
Status:
denied
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
Install low voltage security system
Valuation:
$1,000
Permit #:
22-160E
Status:
expired
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Low voltage carbon monoxide detectors/smoke detectors/heat detectors
Valuation:
N/A
Permit #:
EP-2019-0066
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Low voltage security system (2 inspections paid)
Valuation:
$1,000
Permit #:
E-19-181
Status:
complete
Fee:
$100
Permit Type:
Fire alarm secur...
Building Type:
Gen office
Wire smoke and carbon monoxide detectors wire security system
Valuation:
$2,000
Permit #:
E-2016-0038
Status:
issued
Fee:
$25
Permit Type:
Electrical Reside...
Building Type:
Single Family Home
Wiring for home renovation/addition 8th edition msbc
Valuation:
$800
Permit #:
E-2015-0341
Status:
complete
Fee:
$25
Permit Type:
Electrical Reside...
Building Type:
Single Family Home
Low voltage wiring for security system
Valuation:
N/A
Permit #:
W000045187
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Wiring for a fire alarm
Valuation:
$2,748
Permit #:
E-2014-0379
Status:
issued
Fee:
$50
Permit Type:
Electrical Non-Re...
Building Type:
N/A
2 heat detectors in garage; low voltage security system; 7 smoke detectors; 2 carbon monoxide
Valuation:
N/A
Permit #:
13080637
Status:
filed
Fee:
$40
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
HEP-22452
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Low voltage security system
Valuation:
N/A
Permit #:
EP-2017-0067
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install security system & carbon monoxide detectors
Valuation:
$900
Permit #:
E-2012-0149
Status:
complete
Fee:
$50
Permit Type:
Electrical Non-Re...
Building Type:
Office, Bank, Pro...
Security system/2 door contacts/motion detectors/o'connor, d/knights
Valuation:
N/A
Permit #:
94668
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security system
Valuation:
N/A
Permit #:
E-2010-0189
Status:
complete
Fee:
$25
Permit Type:
Electrical reside...
Building Type:
Single family home
Burg/alm/o'connor dan/knights security michael o'rourke retail
Valuation:
N/A
Permit #:
57883
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install fire alarm system/o'connor daniel/knight incorporated
Valuation:
$3,800
Permit #:
114171
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fac/knight's/o'donnor dan for michael o'rourke/retail
Valuation:
N/A
Permit #:
57881
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Security system/door contacts/motions/o'connor, d/knights
Valuation:
N/A
Permit #:
94669
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Lv/st mary's albanian/o'connor dan/knights 756-5191
Valuation:
N/A
Permit #:
26112
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Recent Buildzoom Projects
Knight Security License info
License Not Verified
| License # | 830-D |
| Status | Active |
| State | Massachusetts |
| Type | Systems Technician |
| Class | D |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of July, 2019. Check the current license status of Knight Security with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1142-C |
| Status | Active |
| State | Massachusetts |
| Type | Systems Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of July, 2019. Check the current license status of Knight Security with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1091 |
| Status | Inactive |
| State | Massachusetts |
| Type | Electrical Business |
| Business Type | Corporation |
- According to the Commonwealth of Massachusetts E-Licensing Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Knight Security at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 240C |
| Status | Inactive |
| State | Massachusetts |
| Type | S-License - Certificate Of Clearance |
| Business Type | Corporation |
- According to the Massachusetts Department of Public Safety, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Knight Security at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 1091 |
| Status | Unable To Verify |
| State | Massachusetts |
| Type | S-License |
| Business Type | Corporation |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Knight Security, log in and update your license info in the “Edit Profile” tab.
Insured
| Insurer | Crum & Forster Specialty |
| Insured up to | $2,000,000 |
Insured
| Workers Comp Provider | Hartford Insurance Co. |
| Workers Comp Value | $100,000 |
67
Permits
- Building permit records show that Knight Security has worked on 67 permitted projects.
Knight Security Employees
DO
Daniel S Oconnor
Owner
Second to none! The installers were extremely knowledgable, curtious and efficient. I would highly recommend Knight to my family and friends.