Updated: May 11, 2026
Location and Projects
Address
PO BOX 265, Mercer Island, WA, 98040
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Island Security Systems Electrician
Island Security Systems Inc, Mercer Is, Po Box 265, Mercer Island, WA (Employees: Kristi Landau, Landau, Kristi M, and Landau, Seth) holds a Electrical Contractor, Limited Energy, Hvac/Rfrg license and 1 other license according to the Tukwila license board.
Their BuildZoom score of 110 ranks in the top 4% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Island Security Systems Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Island Security Systems Inc Contact Information
Phone Number: (206) 232-0842
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Address: PO BOX 265, Mercer Island, WA 98040
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Building Permits by Island Security Systems Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential fire alarm system
Valuation:
N/A
Permit #:
2505-162
Status:
final
Fee:
$562
Permit Type:
N/A
Building Type:
N/A
Residential fire alarm system
Valuation:
N/A
Permit #:
2505-052
Status:
final
Fee:
$562
Permit Type:
N/A
Building Type:
N/A
Residential fire alarm system
Valuation:
N/A
Permit #:
2504-145
Status:
final
Fee:
$562
Permit Type:
N/A
Building Type:
N/A
Residenital monitored fire alarm
Valuation:
N/A
Permit #:
2502-027
Status:
final
Fee:
$562
Permit Type:
N/A
Building Type:
N/A
Residenital fire alarm
Valuation:
N/A
Permit #:
2503-163
Status:
final
Fee:
$562
Permit Type:
N/A
Building Type:
N/A
Residenital fire alarm
Valuation:
N/A
Permit #:
2503-160
Status:
final
Fee:
$562
Permit Type:
N/A
Building Type:
N/A
Nfpa72 single family residence monitored household fire alarm system
Valuation:
N/A
Permit #:
2209-206
Status:
final
Fee:
$464
Permit Type:
N/A
Building Type:
N/A
Nfpa72 single family residence monitored household fire alarm system
Valuation:
N/A
Permit #:
2102-166
Status:
final
Fee:
$464
Permit Type:
N/A
Building Type:
N/A
Loren delaosa installation of low voltage security system. 5/17/19 mwb renewal
Valuation:
$500,000
Permit #:
6668972-EL
Status:
complete
Fee:
$219
Permit Type:
Remodel or repair
Building Type:
Single family/duplex
Nfpa72 single family residence monitored household fire alarm system
Valuation:
N/A
Permit #:
2401-035
Status:
final
Fee:
$540
Permit Type:
N/A
Building Type:
N/A
Nfpa72 single family residence monitored household fire alarm system
Valuation:
N/A
Permit #:
2210-090
Status:
final
Fee:
$464
Permit Type:
N/A
Building Type:
N/A
Nfpa 72 residential fire alarm system
Valuation:
N/A
Permit #:
2302-187
Status:
final
Fee:
$651
Permit Type:
N/A
Building Type:
N/A
Residential fire alarm system
Valuation:
N/A
Permit #:
2209-102
Status:
final
Fee:
$464
Permit Type:
N/A
Building Type:
N/A
Install nfpa 72 monitored household fire alarm
Valuation:
N/A
Permit #:
2204-111
Status:
final
Fee:
$464
Permit Type:
N/A
Building Type:
N/A
Type: electrical low voltage only class: alteration to structure or system, , a (nonresidential alteration) project installing (fire alarms; primary building). additional info (). work site location ()
Valuation:
N/A
Permit #:
ELV17-07343
Status:
final
Fee:
$49
Permit Type:
N/A
Building Type:
N/A
Residential fire alarm
Valuation:
N/A
Permit #:
2305-291
Status:
final
Fee:
$492
Permit Type:
N/A
Building Type:
N/A
Residential fire alarm
Valuation:
N/A
Permit #:
2305-123
Status:
final
Fee:
$492
Permit Type:
N/A
Building Type:
N/A
Residential fire alarm
Valuation:
N/A
Permit #:
2303-225
Status:
final
Fee:
$492
Permit Type:
N/A
Building Type:
N/A
Nfpa72 single family residence monitored household fire alarm system
Valuation:
N/A
Permit #:
2112-040
Status:
final
Fee:
$464
Permit Type:
N/A
Building Type:
N/A
Nfpa72 single family residence monitored household fire alarm system
Valuation:
N/A
Permit #:
2108-158
Status:
final
Fee:
$464
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Island Security Systems Inc License info
Verified License
| License # | ISLANSS122QC |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, Limited Energy, Hvac/Rfrg |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Island Security Systems Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | ISLANSS122QC |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor, Electrical Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Island Security Systems Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Co |
| Bond Value | $4,000 |
412
Permits
- Building permit records show that Island Security Systems Inc has worked on 412 permitted projects.
Island Security Systems Inc Employees
KL
Kristi Landau
Secretary
LM
Landau, Kristi M
Secretary
LS
Landau, Seth
Agent
LD
LANDAU, SETH D
Chief Accounting Officer
SL
Seth Landau
Chief Accounting Officer