S K Pumps, C-61/D-21 Machinery and Pumps Contractor in San Mateo, CA
S K Pumps operating as a sole owner holds an active California contractor license (CSLB #1115529), valid through Jan 31, 2028. First issued in 2024, the license has been on the CSLB roster for 2 years. It carries a single CSLB classification: C-61/D-21 — Machinery and Pumps Contractor. Records show an active surety bond on file with Philadelphia Indemnity Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in San Mateo, in San Mateo County, California.
- License Number
- 1115529
- Issued
- Jan 26, 2024
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- Philadelphia Indemnity Insurance Company
- Bond Number
- PB10163406897
- Effective
- Jan 10, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 8, 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 S K Pumps licensed in California?
Yes. S K Pumps holds California Contractors State License Board license number 1115529, which is active and in good standing. The license was first issued on January 26, 2024. It is valid through January 31, 2028.
What does S K Pumps specialize in?
S K Pumps is licensed for one CSLB classification: C-61/D-21 Machinery and Pumps Contractor.
Where is S K Pumps headquartered?
S K Pumps is headquartered at 4153 George Avenue 1, San Mateo, CA 94403, in San Mateo County, California.
Does S K Pumps have an active surety bond on file with CSLB?
Yes. S K Pumps has an active California contractor surety bond filed with Philadelphia Indemnity Insurance Company.
Does S K Pumps carry workers' compensation coverage?
S K Pumps reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify S K Pumps's contractor license?
You can verify S K Pumps's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1115529.
- License issuedJan 26, 2024
- WC coverage startsDec 8, 2025
- Bond activeJan 10, 2026
- License expiresJan 31, 2028
- Crown Industrial Engineering#281290South San Francisco·C-61/D-16 Hardware, Locks and Safes Contractor
- Interpro Systems INC#576687Redwood City·B General Building Contractor
- Peninsula Pump & Equipment INC#762607San Mateo·C-61/D-21 Machinery and Pumps Contractor
- Bull C H CO#771855South San Francisco·C-61/D-21 Machinery and Pumps Contractor
- Wesolek Enterprises INC#700154San Carlos·C-61/D-21 Machinery and Pumps Contractor
- R & S Erection North Peninsula INC#708345South San Francisco·C-61/D-21 Machinery and Pumps Contractor
- Simonds Machinery CO#719795South San Francisco·C-61/D-21 Machinery and Pumps Contractor
- V2 Elevator Resources INC#901286Belmont·C-11 Elevator Contractor
Working a California job with S K Pumps, 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 S K Pumps? Claim or correct this profile