Contractor License Proof

Samuel Sinnott & Company Architecture & Construction

Licensed

Verified against CSLB on · View on CSLB

License details

License number
510156
Status
Active
Classifications
B · General BuildingC-33 · Painting and Decorating
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
May 6, 1987 – May 31, 2027

Business

  • (650) 302 4319 (CSLB public record)
  • 980 ROSE AVE, Menlo Park, CA 94025San Mateo County

Are you Samuel Sinnott & Company Architecture & Construction? Claim this listing to manage it.

Claim this listing

Request a free quote

Tell us about your project and we'll connect you with licensed, verified California contractors.

By submitting, you agree we may share your request with relevant licensed contractors to help with your project. See our Privacy Policy.

Something wrong on this page? Report incorrect information.

Other General Building contractors in Menlo Park

GHG Builders LLC

B · Menlo Park, CA

Licensed

Verified September 28, 2026 · Bonded

Lifetime Remodeling Inc

B · Menlo Park, CA

Licensed

Verified September 28, 2026 · Bonded

Buildtech Builder

B · Menlo Park, CA

Licensed

Verified September 28, 2026 · Bonded

Pixel Design General Construction

B · Menlo Park, CA

Licensed

Verified September 28, 2026 · Bonded

Arcon Builders

B · Menlo Park, CA

Licensed

Verified September 28, 2026 · Bonded

Kat Construction Services

B · Menlo Park, CA

Licensed

Verified September 28, 2026 · Bonded

Browse all General Building contractors in Menlo Park

What to check next

How to verify a California contractor licenseRed flags when hiring a contractorLicensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Samuel Sinnott & Company Architecture & Construction licensed in California?

Yes. Samuel Sinnott & Company Architecture & Construction holds an active California state contractor license (CSLB #510156), verified against the CSLB public record on September 28, 2026.

What is Samuel Sinnott & Company Architecture & Construction's CSLB license number?

Samuel Sinnott & Company Architecture & Construction's California contractor license number is 510156. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Samuel Sinnott & Company Architecture & Construction licensed for?

Samuel Sinnott & Company Architecture & Construction is classified under General Building (B) and Painting and Decorating (C-33) by the CSLB.

How do I verify Samuel Sinnott & Company Architecture & Construction's license myself?

Look up license #510156 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of September 28, 2026.

Verify it yourself: How to verify a California contractor license · Look up #510156 on CSLB

Checking more than one contractor? Verify another license.Verify a license

See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.