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Roofing contractorGlendora, CA

De Lorenzo's Guaranteed Roofing

Licensed since 1992 · Sole Owner · 8 building permits on record

CSLB #660528 · ActiveWorkers' comp insuredBonded $25,000
License classes
C-39 Roofing
8
Permits on record
2 jurisdictions
1
Permits in 3 years
last Mar 8, 2026
8
Roofing jobs
re-roofs and repairs

Work history

Building permits: City of Anaheim, City of Los Angeles

Permits by year

2201912020120211202212026
Data covers City of Anaheim 1999–Sep 2026; City of Los Angeles 2006–Oct 2026.

What they build

Roofing
8

Most recent permits

IssuedWorkJurisdictionZIP
Mar 8, 2026RoofingCity of Anaheim—
Dec 7, 2022RoofingCity of Anaheim—
Aug 23, 2021RoofingCity of Los Angeles91406
Aug 21, 2020RoofingCity of Los Angeles91406
Sep 30, 2019RoofingCity of Anaheim—
Apr 24, 2019RoofingCity of Los Angeles91406
Apr 1, 2014RoofingCity of Anaheim—
Jan 1, 2001RoofingCity 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
5
Los Angeles
3

Top ZIP codes

  • ZIP 914063
Area is where permits were issued, not the office address

License, bond & insurance

California Contractors State License Board
  • CSLB license#660528 · Active
  • Business typeSole Owner
  • Issued · expiresDec 8, 1992 · Dec 31, 2026
  • OfficeGlendora, CA 91741
  • CSLB record updatedJul 1, 2026
  • Contractor bond$25,000 · since Apr 23, 2026
  • Bond companyAmerican Contractors Indemnity Company
  • Workers' compensationWorkers' Compensation Insurance · until Oct 1, 2027
  • InsurerState Compensation Insurance Fund

License classes

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

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Questions & answers

Is De Lorenzo's Guaranteed Roofing licensed?
CSLB license #660528 is active, issued Dec 8, 1992 and valid through Dec 31, 2026, with classes C-39.
Is De Lorenzo's Guaranteed Roofing insured and bonded?
CSLB lists workers' compensation insurance with State Compensation Insurance Fund until Oct 1, 2027 and a $25,000 contractor bond with American Contractors Indemnity Company.
How many jobs has De Lorenzo's Guaranteed Roofing done?
Building permits name the company on 8 jobs, including 8 roofing.
Where does De Lorenzo's Guaranteed Roofing work?
Most permits are in City of Anaheim, City of Los Angeles.

Sources

  1. Contractors State License Board — license, bond and workers' comp records (Jul 1, 2026).
  2. Building permits — City of Anaheim, City of Los Angeles.
Answers use only the facts on this pageIs this your business? Update listing