Grassrock Corporation
Fremont · Alameda County · CA
LISTED
Bestopedia verdict
California’s contractor board lists Grassrock Corporation in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is not current in the public record.
- License standing
- 30 / 30
- Years licensed
- 6.8 / 20
- Contractor bond
- 20 / 20
- Workers' comp
- 8 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #1058407 verify on CSLB ↗
- Classifications
- B, C-20
- Years licensed
- 6.8 years since 09/23/2019
- Contractor bond
- $25,000 ATLANTIC SPECIALTY INSURANCE COMPANY
- Workers’ comp
- Not current in the public record
- Business type
- Corporation
- Qualifying principal
- Yi Xiao
- Address of record
- 39111 Pased Padre Pkwysuite 213, Fremont, CA 94538
Frequently Asked Questions
Is Grassrock Corporation a licensed HVAC contractor in California?
Yes. Grassrock Corporation holds California CSLB contractor license #1058407 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.
What work is Grassrock Corporation licensed to perform?
License #1058407 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: B.
Is Grassrock Corporation bonded?
Yes. Grassrock Corporation carries contractor's bond #800211074 for $25,000 through ATLANTIC SPECIALTY INSURANCE COMPANY.
Does Grassrock Corporation carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with BERKSHIRE HATHAWAY DIRECT INSURANCE COMPANY, with a policy expiration of 06/28/2026 (this policy's expiration date has passed).
How long has Grassrock Corporation held its contractor license?
License #1058407 was originally issued on 09/23/2019, approximately 7 years ago (as of July 2026).
Where is Grassrock Corporation located?
Grassrock Corporation is based in Fremont, Alameda County, CA 94538.