Advance Systems and Design, C-36 Plumbing Contractor in Redwood City, CA
Advance Systems and Design operating as a sole owner holds an active California contractor license (CSLB #626704), valid through Aug 31, 2027. First issued in 1991, the license has been on the CSLB roster for 35 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and active workers' compensation coverage from Continental Casualty Company. The business is based in Redwood City, in San Mateo County, California.
- License Number
- 626704
- Issued
- Aug 27, 1991
- Status
- CLEAR
- Expires
- Aug 31, 2027
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800213086
- Effective
- Nov 26, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Continental Casualty Company
- Policy Number
- 7039133380
- Effective
- Jan 6, 2026
- Expires
- Jan 6, 2027
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Advance Systems and Design licensed in California?
Yes. Advance Systems and Design holds California Contractors State License Board license number 626704, which is active and in good standing. The license was first issued on August 27, 1991. It is valid through August 31, 2027.
What does Advance Systems and Design specialize in?
Advance Systems and Design is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Advance Systems and Design headquartered?
Advance Systems and Design is headquartered at 127 Nueva Ave, Redwood City, CA 94061, in San Mateo County, California.
Does Advance Systems and Design have an active surety bond on file with CSLB?
Yes. Advance Systems and Design has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Advance Systems and Design carry workers' compensation coverage?
Yes. Advance Systems and Design carries active workers' compensation coverage through Continental Casualty Company.
How do I verify Advance Systems and Design's contractor license?
You can verify Advance Systems and Design's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=626704.
- License issuedAug 27, 1991
- Bond activeNov 26, 2025
- WC coverage startsJan 6, 2026
- WC expiresJan 6, 2027
- License expiresAug 31, 2027
- Hargens INC#592325South San Francisco·B General Building Contractor
- Mc Cann D J Construction#602469Montara·B General Building Contractor
- Allen Mechanical Plumbing CO#611082So San Francisco·C-36 Plumbing Contractor
- Economy Plumbing#613784Burlingame·A General Engineering Contractor
- O'neill Plumbing Company#609234Pacifica·C-36 Plumbing Contractor
- Royal Plumbing Service#609288South San Francisco·C-36 Plumbing Contractor
- Henry H R Plumbing#614767Half Moon Bay·C-36 Plumbing Contractor
- Regina Plumbing INC#615954San Carlos·C-36 Plumbing Contractor
Working a California job with Advance Systems and Design, 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 Advance Systems and Design? Claim or correct this profile