Rywen Insulation INC, C-2 Insulation and Acoustical Contractor in San Leandro, CA
Rywen Insulation INC operating as a corporation holds an active California contractor license (CSLB #1140414), valid through Jul 31, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: C-2 — Insulation and Acoustical Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active. The business is based in San Leandro, in Alameda County, California.
- License Number
- 1140414
- Issued
- Jul 15, 2025
- Status
- CLEAR
- Expires
- Jul 31, 2027
- Entity
- Corporation
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7901205406
- Effective
- Jun 3, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- State Compensation Insurance Fund
- Policy Number
- 9384852
- Effective
- Aug 1, 2025
- Expires
- Aug 1, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Rywen Insulation INC licensed in California?
Yes. Rywen Insulation INC holds California Contractors State License Board license number 1140414, which is active and in good standing. The license was first issued on July 15, 2025. It is valid through July 31, 2027.
What does Rywen Insulation INC specialize in?
Rywen Insulation INC is licensed for one CSLB classification: C-2 Insulation and Acoustical Contractor.
Where is Rywen Insulation INC headquartered?
Rywen Insulation INC is headquartered at 456 Hester Street, San Leandro, CA 94577, in Alameda County, California.
Does Rywen Insulation INC have an active surety bond on file with CSLB?
Yes. Rywen Insulation INC has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does Rywen Insulation INC carry workers' compensation coverage?
Rywen Insulation INC has a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active.
How do I verify Rywen Insulation INC's contractor license?
You can verify Rywen Insulation INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1140414.
- Bond activeJun 3, 2025
- License issuedJul 15, 2025
- WC coverage startsAug 1, 2025
- WC expiredAug 1, 2026
- License expiresJul 31, 2027
- Imperial Insulation LLC#1144362San Leandro·C-2 Insulation and Acoustical Contractor
- Prc Insulation INC#1146785Hayward·C-2 Insulation and Acoustical Contractor
- Attic Solutions of California LLC#1146271San Leandro·C-2 Insulation and Acoustical Contractor
- Pro Insulation & Rodents LLC#1138592Hayward·C-2 Insulation and Acoustical Contractor
- Attical INC#1126472Fremont·C-2 Insulation and Acoustical Contractor
- Nitram Acoustics#1121212Hayward·C-2 Insulation and Acoustical Contractor
- All State Insulation INC#1148090Fremont·C-2 Insulation and Acoustical Contractor
- Tigre Firestop & Insulation#1074496Hayward·C-2 Insulation and Acoustical Contractor
Working a California job with Rywen Insulation INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Rywen Insulation INC? Claim or correct this profile