Best Licensed Drywall Contractors in Ontario, CA
17 drywall companies registered in Ontario hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by workers' compensation cover and years licensed.
- 162 active C-9 drywall licenses in San Bernardino County; 17 registered in Ontario
- 11 of Ontario's 17 licenses (64.7%) carry current workers' compensation cover, not liability insurance; a blank usually means an owner-operator with no employees
- Median time licensed in Ontario: 6 years
- Longest Ontario licensure: since 1982
- 19 county licenses reach their expiration date within 90 days
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- Verified
- August 17, 2026
- Licensed since
- 1982
- Phone
- (909) 947-4601
- Verified
- August 17, 2026
- Licensed since
- 2002
- Phone
- (909) 626-0214
- Verified
- August 17, 2026
- Licensed since
- 2005
- Phone
- (909) 573-6481
- Verified
- August 17, 2026
- Licensed since
- 2014
- Phone
- (909) 295-5454
- Verified
- August 17, 2026
- Licensed since
- 2018
- Phone
- (562) 754-1269
- Verified
- August 17, 2026
- Licensed since
- 2020
- Phone
- (909) 840-8089
- Verified
- August 17, 2026
- Licensed since
- 2020
- Phone
- (909) 631-6854
- Verified
- August 17, 2026
- Licensed since
- 2022
- Phone
- (323) 837-8747
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Spec Construction Co Inc. | #419626 | On file | 1982 |
| Hdc Construction Inc. | #802646 | On file | 2002 |
| Caliber Drywall | #858112 | On file | 2005 |
| Casa Buena Investments DBA Casa Buena Construction | #996848 | On file | 2014 |
| Alvarado Drywall Inc. | #1038530 | On file | 2018 |
| Ceiling Master LLC | #1065081 | On file | 2020 |
San Bernardino County drywall licensure at a glance
California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 162 active C-9 drywall licenses in San Bernardino County, 17 of them registered in Ontario. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Ontario license has been held 6 years, and the longest-standing one dates to 1982. 11 of Ontario's 17 licenses (64.7%) carry current workers' compensation cover in CSLB's file. That is employee injury cover, not liability insurance, and a blank usually means an owner-operator with no employees - lawful, and not a mark against anyone. The contractor bond is not a signal here: 162 of the county's 162 licenses carry the same $25,000 bond California sets by statute. 19 county licenses reach their expiration date within the next 90 days. CSLB cannot link straight to a license record, so every listing above shows its number for you to type into CSLB's license lookup. How we verify.
Drywall Contractors in Ontario: common questions
How many licensed drywall contractors are there in Ontario?
17 active C-9 drywall licenses are registered in Ontario, out of 162 across San Bernardino County. 17 Ontario-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. Only licenses CSLB shows as CLEAR and unexpired are listed.
Does California license drywall contractors?
Yes. California licenses contractors by classification, and C-9 is the CSLB classification that authorises this work. 17 active C-9 drywall licenses are registered in Ontario and 162 across San Bernardino County, the longest-standing issued in 1982. Only CLEAR, unexpired licenses appear here.
How do I check a drywall contractor's license in California?
Every listing above shows its CSLB license number. CSLB cannot link straight to a record, so open its license lookup and type the number in: it shows status, expiration, the contractor bond and workers' compensation cover, which 11 of Ontario's 17 currently carry. 19 San Bernardino County licenses expire within 90 days.
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