Steinke Advanced Mechanical Systems INC
Steinke Advanced Mechanical Systems INC operating as a corporation is licensed in California under CSLB number 938783. The license was first issued in 2009, putting the business at 17 years on the active CSLB roster. It carries a single CSLB classification: C-4 — Boiler, Hot Water Heating and Steam Fitting Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in San Jose, in Santa Clara County, California.
- License Number
- 938783
- Issued
- Oct 14, 2009
- Status
- CLEAR
- Expires
- Oct 31, 2027
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 67557883
- Effective
- Nov 22, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Oct 20, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Steinke Advanced Mechanical Systems INC licensed in California?
Yes. Steinke Advanced Mechanical Systems INC holds California Contractors State License Board license number 938783. The license was first issued on October 14, 2009. It is valid through October 31, 2027.
What does Steinke Advanced Mechanical Systems INC specialize in?
Steinke Advanced Mechanical Systems INC is licensed for one CSLB classification: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor.
Where is Steinke Advanced Mechanical Systems INC headquartered?
Steinke Advanced Mechanical Systems INC is headquartered at 276 Chateau La Salle Dr, San Jose, CA 951113022, in Santa Clara County, California.
Does Steinke Advanced Mechanical Systems INC have an active surety bond on file with CSLB?
Yes. Steinke Advanced Mechanical Systems INC has an active California contractor surety bond filed with Western Surety Company.
Does Steinke Advanced Mechanical Systems INC carry workers' compensation coverage?
Steinke Advanced Mechanical Systems INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Steinke Advanced Mechanical Systems INC's contractor license?
You can verify Steinke Advanced Mechanical Systems INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=938783.
- License issuedOct 14, 2009
- WC coverage startsOct 20, 2025
- Bond activeNov 22, 2025
- License expiresOct 31, 2027
- Millennium Pacific Trading INC#928122San Jose·B General Building Contractor
- Convectek Heating & Cooling#953068Sunnyvale·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Bay Area Mechanical LLC#1007083Santa Clara·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- H H Hydronics INC#1025829East Palo Alto·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Therma LLC#1027316San Jose·A General Engineering Contractor
- Ciari Stephen Plumbing and Heating INC#828351San Jose·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- United Mechanical#828335San Jose·B General Building Contractor
- La Chance's Radiant Heating LLC#874787Santa Clara·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor