BoardChecked Search pros

Diamond Quality Plumbing

Licensed plumber in Panorama City, Los Angeles, California

CSLB licence activeNo Google reviews yet

Diamond Quality Plumbing holds CSLB licence 971162, active, licensed since 22 Mar 2012. Bonded for $25,000 with Merchants Bonding Company (Mutual). Clean CSLB record, with no citations, complaints or legal actions disclosed.

57score
Request a free quote (818) 738-5800 Verify on CSLB Search BBB

Report card

  • Licence activeCSLB #971162, class C36. Issued 22 Mar 2012, expires 31 Mar 2028.
  • Licensed 15 yrsSince 22 Mar 2012.
  • Bonded$25,000 with Merchants Bonding Company (Mutual), since 12 Feb 2026. California requires the same $25,000 bond of every contractor.
  • Works aloneExempt from workers' comp: certifies no employees, so nobody else may work on your job.
  • Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
  • 1 building permit since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 6 Feb 2022.

Checked against the Contractors State License Board (CSLB) register on 3 Nov 2026.

About Diamond Quality Plumbing

People on the licence
Sargis Tovmasyan (owner)

Recent permits

Building permits pulled under licence #971162, from City of Los Angeles, LADBS open data. Locations are shown to ZIP code only.

  • 6 Feb 2022 · Plumbing · ZIP 914231 or 2 Family Dwelling

Why it ranks #1015 of 1,934 plumbers in Los Angeles

Years licensed weight 3073%
Complaint record weight 25100%
Bond and workers' comp weight 10100%
Google reviews weight 350%

Score 56.9 / 100. Claiming this listing or using Theo never changes it. How we rank

Other top plumbers in Los Angeles

See all 1,934
  1. 1

    Liberty Plumbing & Heating

    Los Angeles, CA · CSLB C20, C36 #701083 · licensed 32 yrs

    • Licence active
    • Bonded
    • Workers' comp
    995.0(184)Full report
  2. 2

    Van Allen Plumbing

    Sun Valley, CA · CSLB C36 #620656 · licensed 35 yrs

    • Licence active
    • Bonded
    • Works alone
    984.9(821)Full report
  3. 3

    Bryco Plumbing

    Winnetka, CA · CSLB C36 #708581 · licensed 31 yrs

    • Licence active
    • Bonded
    • Workers' comp
    984.9(628)Full report
  4. 4

    Water Heater Pro the Inc

    Sylmar, CA · CSLB C36 #871462 · licensed 21 yrs

    • Licence active
    • Bonded
    • Works alone
    984.9(356)Full report
  5. 5

    Curtis Plumbing

    Chatsworth, CA · CSLB C36 #383946 · licensed 47 yrs

    • Licence active
    • Bonded
    • Workers' comp
    974.9(139)Full report
  6. 6

    Jon's Plumbing and Rooter

    Van Nuys, CA · CSLB C36 #824288 · licensed 23 yrs

    • Licence active
    • Bonded
    • Works alone
    975.0(53)Full report