Licensed security system installers in Seattle, WA

10 security system installers hold an active licence on the Washington State Department of Labor & Industries (L&I) register in Seattle, checked 4 Nov 2026: 2 licensed 10 years or more, 100% bonded and none with a complaint or board disclosure on record. Ranked by a published formula; nobody pays to move up.

Active licences
10
Median time licensed
4.8 yrs
Bonded
100%
Lead-Safe certified
0
Google reviews
1,225

Filled tags sit at the business's Google location; hollow tags show its mailing ZIP code only. Each tag is the theoPros score.

Ranked list

Showing 10 of 10

  1. 1

    Bergman's Lock & Key Srvc LLC

    Seattle, WA · Washington L&I CCSQ #BERGMLK855NJ · licensed 11 yrs

    • Licence active
    • Bonded $15,000
    • No complaints
    814.7(127)Full report
  2. 2

    Seattle Locksmith Security LLC

    Seattle, WA · Washington L&I CCSQ #SEATTLS828NF · licensed 8 yrs

    • Licence active
    • Bonded $15,000
    • No complaints
    794.8(730)Full report
  3. 3

    Blue Sky Locksmith LLC

    Seattle, WA · Washington L&I CCSQ #BLUESSL802BP · licensed 7 yrs

    • Licence active
    • Bonded $15,000
    • No complaints
    764.8(368)Full report
  4. 4

    Andy's Advantage Mbl Lcksmiths

    Seattle, WA · Washington L&I CCSQ #ANDYSAM847O6 · licensed 10 yrs

    • Licence active
    • Bonded $15,000
    • No complaints
    50No Google reviews yetFull report
  5. 5

    Seattle Mobile Locksmith LLC

    Seattle, WA · Washington L&I CCSQ #SEATTML816MH · licensed 7 yrs

    • Licence active
    • Bonded $15,000
    • No complaints
    46No Google reviews yetFull report
  6. 6

    Speedy Locksmith LLC

    Seattle, WA · Washington L&I CCSQ #SPEEDLL761BT · licensed 3 yrs

    • Licence active
    • Bonded $30,000
    • No complaints
    39No Google reviews yetFull report
  7. 7

    Sos Mobile Locksmith LLC

    Seattle, WA · Washington L&I CCSQ #SOSMOML760DF · licensed 3 yrs

    • Licence active
    • Bonded $15,000
    • No complaints
    39No Google reviews yetFull report
  8. 8

    East Wing Cmrcl Door & Hdw Inc

    Seattle, WA · Washington L&I CCSQ #EASTWWC768L6 · licensed 2 yrs

    • Licence active
    • Bonded $15,000
    • No complaints
    38No Google reviews yetFull report
  9. 9

    Lock Pager LLC

    Seattle, WA · Washington L&I CCSQ #LOCKPL*752DF · licensed 2 yrs

    • Licence active
    • Bonded $15,000
    • No complaints
    38No Google reviews yetFull report
  10. 10

    Cascade Locksmith LLC

    Seattle, WA · Washington L&I CCSQ #CASCALL744DR · licensed <1 yr

    • Licence active
    • Bonded $15,000
    • No complaints
    36No Google reviews yetFull report

Questions people ask about security system installers in Seattle

How many licensed security system installers are in Seattle?

10 security system installers hold an active Washington State Department of Labor & Industries (L&I) licence with a mailing address in Seattle, checked on 4 November 2026. 2 of them have been licensed for 10 years or more.

Does a security system installer need a licence in Washington?

Yes, when the whole job, labour and materials, costs $500 or more, is part of a bigger project, or they advertise as a contractor (RCW 18.27.090). Electrical and plumbing contractors need an L&I licence for any job, whatever its size (RCW 19.28.041, RCW 18.106.020). Look for an active CCSQ licence.

How do I check a security system installer's licence in Seattle?

Ask for the licence number and look it up on the Washington L&I website, or search this page. Every security system installer listed here was matched to an active licence on the Washington L&I register.

Which security system installers rank highest in Seattle?

By our published formula (years licensed, complaint record, bond and insurance, and Google reviews), the top three are Bergman's Lock & Key Srvc LLC (81), Seattle Locksmith Security LLC (79), Blue Sky Locksmith LLC (76). Paying or claiming a listing never changes the order.

How much do security system installers charge in Seattle?

Security system installers in the Seattle-Tacoma-Bellevue metro earn a median $36.50 an hour (BLS, May 2025); contractors typically bill about twice the wage to cover insurance, overhead and profit.

Do I need a lead-safe certified security system installer in Seattle?

If your home was built before 1978 and the work disturbs paint, yes: the law requires a firm certified lead-safe by the Washington State Department of Commerce. 50% of homes here were built before 1980 (US Census, ACS 2024 1-year), and 0 of the 10 licensed security system installers listed are certified.