Best Licensed Roofers in Glendora, CA
10 roofing companies registered in Glendora hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by years licensed.
How we chose: We identified 10 companies registered in Glendora. 10 passed license verification. The 8 below are the top-ranked of those. Our methodology
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- ✓ CSLB License #380611 - look up this number at CSLBInsured - CALIFORNIA INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1979
- Phone
- (626) 857-1070
- ✓ CSLB License #660528 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1992
- Phone
- (323) 216-1616
- ✓ CSLB License #673028 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1993
- Phone
- (909) 720-6300
- ✓ CSLB License #683813 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1994
- Phone
- (626) 485-5657
- ✓ CSLB License #684276 - look up this number at CSLBInsured - FRANK WINSTON CRUM INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1994
- Phone
- (626) 622-6008
- ✓ CSLB License #691337 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1994
- Phone
- (626) 335-5079
- ✓ CSLB License #696625 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1994
- Phone
- (626) 857-0592
- ✓ CSLB License #790524 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2001
- Phone
- (626) 890-9415
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Dowd Industries Corporation | #380611 | On file | 1979 |
| De Lorenzo's Guaranteed Roofing | #660528 | On file | 1992 |
| Maximum Coverage Roofing | #673028 | On file | 1993 |
| Rain Dance Roofing | #683813 | On file | 1994 |
| Advanced Roofing And Sons Inc. | #684276 | On file | 1994 |
| S D Young Roofing | #691337 | On file | 1994 |