Cali-GrafCali-Graf
For pros Sign in
DR
Roofing contractorTrabuco Canyon, CA

Diamond Roofing Company

Licensed since 2016 · Corporation · 14 building permits on record

CSLB #1020289 · ActiveWorkers' comp insuredBonded $25,000Verified website
License classes
C-39 Roofing
14
Permits on record
1 jurisdiction
2
Permits in 3 years
last Mar 19, 2025
14
Roofing jobs
re-roofs and repairs

Work history

Building permits: City of Anaheim

Permits by year

Data covers City of Anaheim 1999–Sep 2026.

What they build

Roofing
14

Most recent permits

IssuedWorkJurisdictionZIP
Mar 19, 2025RoofingCity of Anaheim—
Mar 19, 2025RoofingCity of Anaheim—
Jun 1, 2015RoofingCity of Anaheim—
Apr 24, 2007RoofingCity of Anaheim—
Jul 26, 2004RoofingCity of Anaheim—
Dec 4, 2003RoofingCity of Anaheim—
Aug 27, 2003RoofingCity of Anaheim—
Jul 9, 2003RoofingCity of Anaheim—
Jun 3, 2003RoofingCity of Anaheim—
May 4, 2003RoofingCity of Anaheim—
Only the type of work, date and ZIP are shown — never homeowner names or street addresses.
Permits are matched to this contractor by CSLB license number on the permit

Where they work

Building permits

Jurisdictions

Anaheim
14
Area is where permits were issued, not the office address

License, bond & insurance

California Contractors State License Board
  • CSLB license#1020289 · Active
  • Business typeCorporation
  • Issued · expiresNov 3, 2016 · Nov 30, 2026
  • OfficeTrabuco Canyon, CA 92679
  • CSLB record updatedSep 22, 2026
  • Contractor bond$25,000 · since Oct 19, 2025
  • Bond companyAtlantic Specialty Insurance Company
  • Workers' compensationWorkers' Compensation Insurance · until Nov 1, 2026
  • InsurerState Compensation Insurance Fund

License classes

C-39 Roofing
Always confirm a license on cslb.ca.gov before signingCheck another license

About the company

diamondroofinginc.com

Services

CommercialFlat roofRoof repairRoof replacementSolar installation
  • Founded1993
  • Websitediamondroofinginc.com
  • Brands mentionedGAF
From the company's own website, checked Oct 8, 2026. Claims are the company's; we show where each came from.
Facts with links to the page they came from

Similar contractors nearby

All roofers in Orange County
CR
Certified Roofing Specialists
Garden Grove, CA · CSLB #956843
127 permits in 3 years1 solar
HR
Hercules Roofing Inc
Huntington Beach, CA · CSLB #1076561
107 permits in 3 years
HR
Hoyt Roofs Inc
Anaheim, CA · CSLB #606111
107 permits in 3 years
AS
All Service Roofing
Garden Grove, CA · CSLB #1070058
106 permits in 3 years
BT
Byer Tom Roofing Service Inc
Garden Grove, CA · CSLB #575002
98 permits in 3 years
GR
Guardian Roofs Energy Solutions
Orange, CA · CSLB #847279
90 permits in 3 years2 solar
Same county and trade, ranked by permits in the last 3 years

Questions & answers

Is Diamond Roofing Company licensed?
CSLB license #1020289 is active, issued Nov 3, 2016 and valid through Nov 30, 2026, with classes C-39.
Is Diamond Roofing Company insured and bonded?
CSLB lists workers' compensation insurance with State Compensation Insurance Fund until Nov 1, 2026 and a $25,000 contractor bond with Atlantic Specialty Insurance Company.
How many jobs has Diamond Roofing Company done?
Building permits name the company on 14 jobs, including 14 roofing.
Where does Diamond Roofing Company work?
Most permits are in City of Anaheim.

Sources

  1. Contractors State License Board — license, bond and workers' comp records (Sep 22, 2026).
  2. Building permits — City of Anaheim.
  3. Company website — diamondroofinginc.com (checked Oct 8, 2026).
Answers use only the facts on this pageIs this your business? Update listing