Klaus & Sons Plumbing Heating & Air Conditioning
Verified against CSLB on · View on CSLB
License details
- License number
- 320990
- Licensed to
- Klaus & Sons Construction Inc
- Classifications
- License term on file
- June 25, 1976 – July 31, 2028
Business
- (909) 982 5698 (CSLB public record)
- 5623 ARROW HWY, Montclair, CA 91763San Bernardino County
Are you Klaus & Sons Plumbing Heating & Air Conditioning? 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.
Something wrong on this page? Report incorrect information.
Other Electrical contractors in Montclair
Fuel Equipment Services Inc
C-10 · Montclair, CA
Verified September 28, 2026 · Bonded
Quality Conservation Services
C-10 · Montclair, CA
Verified September 28, 2026 · Bonded
New Wires Electric
C-10 · Montclair, CA
Verified September 28, 2026 · Bonded
New Quest Electric Inc
C-10 · Montclair, CA
Verified September 28, 2026 · Bonded
Good Man Electric Inc
C-10 · Montclair, CA
Verified September 28, 2026 · Bonded
Samnoa Electric LLC
C-10 · Montclair, CA
Verified September 28, 2026 · Bonded
What to check next
Frequently asked questions
Is Klaus & Sons Plumbing Heating & Air Conditioning licensed in California?
Yes. Klaus & Sons Plumbing Heating & Air Conditioning holds an active California state contractor license (CSLB #320990), verified against the CSLB public record on September 28, 2026.
What is Klaus & Sons Plumbing Heating & Air Conditioning's CSLB license number?
Klaus & Sons Plumbing Heating & Air Conditioning's California contractor license number is 320990. 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 Klaus & Sons Plumbing Heating & Air Conditioning licensed for?
Klaus & Sons Plumbing Heating & Air Conditioning is classified under Electrical (C-10), Fire Protection (C-16), Warm-Air Heating, Ventilating and Air-Conditioning (C-20), and Plumbing (C-36) by the CSLB.
How do I verify Klaus & Sons Plumbing Heating & Air Conditioning's license myself?
Look up license #320990 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 #320990 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.