Klaus & Sons Plumbing Heating & Air Conditioning

Montclair · San Bernardino County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Klaus & Sons Plumbing Heating & Air Conditioning in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
30 / 30
Years licensed
20 / 20
Contractor bond
20 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#320990 verify on CSLB ↗
Classifications
C-10, C-16, C-20, C-36
Years licensed
50.0 years since 06/25/1976
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Current PREFERRED EMPLOYERS INSURANCE COMPANY
Business type
Corporation
Qualifying principal
Klaus Daniel Pikschus, Jesse Allen Pikschus, Klaus Dieter Pikschus
Address of record
5623 Arrow Hwy, Montclair, CA 91763

Frequently Asked Questions

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

Yes. Klaus & Sons Plumbing Heating & Air Conditioning holds California CSLB contractor license #320990 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Klaus & Sons Plumbing Heating & Air Conditioning licensed to perform?

License #320990 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: C10, C16, C36.

Is Klaus & Sons Plumbing Heating & Air Conditioning bonded?

Yes. Klaus & Sons Plumbing Heating & Air Conditioning carries contractor's bond #SC8006167 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does Klaus & Sons Plumbing Heating & Air Conditioning carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with PREFERRED EMPLOYERS INSURANCE COMPANY, with a policy expiration of 12/01/2026.

How long has Klaus & Sons Plumbing Heating & Air Conditioning held its contractor license?

License #320990 was originally issued on 06/25/1976, approximately 50 years ago (as of July 2026).

Where is Klaus & Sons Plumbing Heating & Air Conditioning located?

Klaus & Sons Plumbing Heating & Air Conditioning is based in Montclair, San Bernardino County, CA 91763.