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Knickelbein Builders: CSLB License #375620
Source: CSLB public data · Updated November 1, 2026 · Official CSLB record
- Primary status: Work Comp Susp
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Suspended automatically because CSLB has no current workers' comp certificate or exemption on file for this license.
License details
- License number
- 375620
- Primary status
- Work Comp Susp · what this means
- Business type
- Sole Owner
- Issued
- May 29, 1979 (47 years)
- Expires
- May 31, 2027
- Classifications
- A General Engineering Contractor
B General Building Contractor
C-10 Electrical Contractor
C-2 Insulation and Acoustical Contractor
C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
C-23 Ornamental Metal Contractor
C-29 Masonry Contractor
C-33 Painting and Decorating Contractor
C-35 Lathing and Plastering Contractor
C-36 Plumbing Contractor
C-51 Structural Steel Contractor
C-54 Ceramic and Mosaic Tile Contractor
C-6 Cabinet, Millwork and Finish Carpentry Contractor
C-60 Welding Contractor
C-8 Concrete Contractor
C-9 Drywall Contractor
C-61/D-6 Concrete Related Services
C-61/D-16 Hardware, Locks and Safes
C-61/D-28 Doors, Gates and Activating Devices
C-61/D-62 Air and Water Balancing
C-61/D-65 Weatherization and Energy Conservation - Location
- Pasadena, 91107
- Phone
- (626) 840 0404
This is a sole-owner license, so we show only the city and ZIP code.
Workers' compensation
- Type
- License does not have current W/C
- Insurer
- Clear Spring Property and Casualty Company
- Policy number
- CWC020424002
- Effective
- May 23, 2025
- Expires
- May 23, 2026
- Suspend date
- May 23, 2026
Confirm coverage with CSLB's insurer search. How to check workers' comp.
Contractor's bond
- Surety
- Western Surety Company
- Bond number
- 67391663
- Amount
- $25,000
- Effective
- May 1, 2025
Status history
No changes recorded since we began tracking this license on November 1, 2026. We compare every weekly CSLB file and log changes to status, bonds, workers' comp and classifications here.
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- What "Work Comp Susp" means
- How to check a contractor license
Data: CSLB Public Data Portal, file dated November 1, 2026. Status can change at any time. Verify on CSLB's Instant License Check. This site is not a consumer reporting agency under the FCRA; don't use it for employment, credit, insurance or housing decisions about an individual.