Altherr L J Design and Construction

Avalon · Los Angeles County · CA

Verified

Bestopedia verdict

83 / 100 Bestopedia Trust Score

California’s contractor board lists Altherr L J Design and Construction with a license standing of CLEAR. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
25 / 25
Clean record
15 / 15
Track record
21.1 / 30
License continuity
5 / 10
Workers' comp
9 / 12
Contractor bond
8 / 8

How the Trust Score is calculated →

The verified record

CSLB license
#728114 verify on CSLB ↗
Classifications
B
Years licensed
29.8 years since 09/27/1996
Contractor bond
$25,000 Atlantic Specialty Insurance Company
Workers’ comp
Current
Business type
Sole Owner
Qualifying principal
Leonard Joseph Altherr
Address of record
P O Box 452, Avalon, CA 90704

Frequently Asked Questions

Is Altherr L J Design and Construction a licensed General Contractor contractor in California?

Yes. Altherr L J Design and Construction holds California CSLB contractor license #728114 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).

What work is Altherr L J Design and Construction licensed to perform?

Altherr L J Design and Construction is licensed for B (General Building).

Is Altherr L J Design and Construction bonded?

Yes. Altherr L J Design and Construction carries contractor's bond #810025349 for $25,000 through Atlantic Specialty Insurance Company.

Does Altherr L J Design and Construction carry workers' compensation insurance?

CSLB records list the workers' compensation status for Altherr L J Design and Construction as Exempt.

How long has Altherr L J Design and Construction held its contractor license?

Altherr L J Design and Construction has held California contractor license #728114 since 09/27/1996, approximately 30 years (as of July 2026).

Where is Altherr L J Design and Construction located?

Altherr L J Design and Construction is based in Avalon, Los Angeles County, CA 90704.