Contractor Lookout is an independent website, not affiliated with CSLB or the State of California. This record comes from CSLB's public data file dated November 1, 2026 and may be out of date. Not a consumer report under the FCRA.
Ostler and Son: CSLB License #575533
Source: CSLB public data · Updated November 1, 2026 · Official CSLB record
Verify live status on CSLB's Instant License Check before hiring.
Verify live on CSLB Report an error / remove my address
The license is active with no suspension on record, though classifications, bonds and secondary flags still deserve a look.
License details
- License number
- 575533
- Primary status
- CLEAR · what this means
- Business type
- Sole Owner
- Issued
- August 21, 1989 (37 years)
- Reissued
- November 29, 1999
- Expires
- November 30, 2027
- Classifications
- C-61/D-29 Paperhanging
- Location
- Irvine, 92618
- Phone
- (949) 275 2601
This is a sole-owner license, so we show only the city and ZIP code.
Workers' compensation
- Type
- Exempt
- Effective
- January 6, 2026
Confirm coverage with CSLB's insurer search. How to check workers' comp.
Contractor's bond
- Surety
- Atlantic Specialty Insurance Company
- Bond number
- 800248445
- Amount
- $25,000
- Effective
- June 23, 2026
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.
Related
- Licensed limited specialty contractors in Irvine
- Licensed contractors in Irvine
- Contractors in Orange County
- What "CLEAR" 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.