Clear
KEYSTONE BUILDS AND MORE INC
License
- Status
- CLEAR
- First issued
- April 29, 2025
- Expires
- April 30, 2027
- Entity
- Corporation
- Address of record
- 2400 RIDGEVIEW DR #802, Chino Hills, CA 91709
- Phone of record
- (628) 363 7777
Contractor bond
- Surety
- AMERICAN CONTRACTORS INDEMNITY COMPANY
- Bond number
- 100952838
- Amount
- $25,000
- Effective
- April 22, 2025
Workers’ compensation
- Carrier
- PIE INSURANCE COMPANY (THE)
- Policy number
- WCPI3659024000
- Effective
- February 13, 2026
- Expires
- February 13, 2027
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
- B General Building Contractor
- B-2 Residential Remodeling Contractor
- C-10 Electrical Contractor
- C-16 Fire Protection Contractor
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-36 Plumbing Contractor
A contractor may only contract for work within their classifications. See all 48 licensed electrical contractors in Chino Hills.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| DE LEON MIRANDA FREDY ALEXANDER | Responsible Managing Officer | April 29, 2025 | Current |
| OH SEA YIL | Responsible Managing Officer | November 19, 2025 | Current |
| OH SEA YIL | Responsible Managing Officer | November 21, 2025 | Current |
| OH SEA YIL | Responsible Managing Officer | February 20, 2026 | Current |
| YOO JOSEPH KICHUL | Chief Executive Officer/President | April 29, 2025 | Current |
Is this your license?
Claim this page to add your photos, description, service area and contact details. The state’s record above stays exactly as it is — claiming adds to a page, it never edits or hides anything the CSLB reports.
Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.