Donald Professional
Hercules · Contra Costa County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Donald Professional in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 30 / 30
- Years licensed
- 20 / 20
- Contractor bond
- 20 / 20
- Workers' comp
- 16 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #638599 verify on CSLB ↗
- Classifications
- C-10, C-36, C-38
- Years licensed
- 34.3 years since 02/27/1992
- Contractor bond
- $25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
- Workers’ comp
- Current
- Business type
- Sole Owner
- Qualifying principal
- Tong Loi Cheong
- Address of record
- 136 Decatur Ct, Hercules, CA 94547
Frequently Asked Questions
Is Donald Professional a licensed Plumbing contractor in California?
Yes. Donald Professional holds California CSLB contractor license #638599 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.
What work is Donald Professional licensed to perform?
License #638599 carries C-36 (Plumbing), plus additional classifications: C10, C38.
Is Donald Professional bonded?
Yes. Donald Professional carries contractor's bond #100582103 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.
Does Donald Professional carry workers' compensation insurance?
Workers' compensation status on file: Exempt.
How long has Donald Professional held its contractor license?
License #638599 was originally issued on 02/27/1992, approximately 34 years ago (as of July 2026).
Where is Donald Professional located?
Donald Professional is based in Hercules, Contra Costa County, CA 94547.