Streamline Plumbing & Drain Co
Verified against CSLB on · View on CSLB
License details
- License number
- 672250
- License term on file
- June 2, 1993 – September 30, 2027
Business
- (510) 481 0380 (CSLB public record)
- 20885 REDWOOD ROAD 406, Castro Valley, CA 94546Alameda County
Are you Streamline Plumbing & Drain Co? Claim this listing to manage it.
Claim this listingRequest a free quote
Tell us about your project and we'll connect you with licensed, verified California contractors.
Other General Engineering contractors in Castro Valley
Buchmann Inc
A · Castro Valley, CA
Verified June 17, 2026 · Bonded
AAA Plumbing & Remodeling Inc
A · Castro Valley, CA
Verified June 17, 2026 · Bonded
Splash of Class Painting and Construction
A · Castro Valley, CA
Verified June 17, 2026 · Bonded
ML Construction
A · Castro Valley, CA
Verified June 17, 2026 · Bonded
Renaissance Stone Care & Waterproofing
A · Castro Valley, CA
Verified June 17, 2026 · Bonded
Tri - Valley Engineering
A · Castro Valley, CA
Verified June 17, 2026 · Bonded
What to check next
Frequently asked questions
Is Streamline Plumbing & Drain Co licensed in California?
Yes. Streamline Plumbing & Drain Co holds an active California state contractor license (CSLB #672250), verified against the CSLB public record on June 17, 2026.
What is Streamline Plumbing & Drain Co's CSLB license number?
Streamline Plumbing & Drain Co's California contractor license number is 672250. 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 Streamline Plumbing & Drain Co licensed for?
Streamline Plumbing & Drain Co is classified under General Engineering (A), Plumbing (C-36), and Sanitation System (C-42) by the CSLB.
How do I verify Streamline Plumbing & Drain Co's license myself?
Look up license #672250 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 June 17, 2026.
Verify it yourself: How to verify a California contractor license · Look up #672250 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.