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Klaus & Sons Plumbing Heating & Air Conditioning

5623 ARROW HWYOpen 24 hours
+1 909-982-5698
Verification ledger

What we checked, and what we didn't

Checked against the register at build time (Nov 6, 2026).
California contractor licenseCalifornia Contractors State License Board (CSLB) · number 320990 · expires July 31, 2028 · San bernardino County. Matched to this business on name.Verified
Business contactphone and website on file, from public records.On file
Public reviewsNo public review profile in our data. License-register listings often have none — ask for two recent local references instead.None found
Insurance & bondingNot checked by AirProHQ. Ask for the certificate of insurance before work starts — the state requires cover to hold the license, but we don't see the policy.Ask them
WorkmanshipNot inspected. A license says who is allowed to do the job, not how well it was done.Ask for references
Checked against the register at build time (Nov 6, 2026). Confirm it yourself — about thirty seconds. See our full verification methodology.Open the official lookup
About

Klaus & Sons Plumbing Heating & Air Conditioning, in brief

Klaus & Sons Plumbing Heating & Air Conditioning is an HVAC contractor at 5623 ARROW HWY. We matched license 320990 to this business on the CSLB register through July 2028. Hours on file show round-the-clock service. The nearest other listed contractor is 1.1 mi away.

HVAC contractor

Round-the-clock service: this contractor advertises 24/7 emergency availability on their own website. We have recorded the claim, not verified the hours — confirm someone will answer before you rely on it at 2 AM.

Questions about this contractor

Before you call Klaus & Sons Plumbing Heating & Air Conditioning

01

Is Klaus & Sons Plumbing Heating & Air Conditioning a licensed HVAC contractor?

Yes. This business's license, 320990, matches an active entry on the CSLB register with an expiry of July 31, 2028. The official lookup lets you verify it directly.

02

Does Klaus & Sons Plumbing Heating & Air Conditioning run a 24-hour line?

Yes, per its posted hours and its own website it's available around the clock. We log that as a claim, not a verified guarantee — confirm someone picks up before you rely on it overnight.

Sources: California Contractors State License Board (CSLB) register · contact details from permit filings and public records.Report a correction
Alternatives

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Sorted by straight-line distance from this office. Same license check on every one.