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Licensed general contractors and ADU builders in Avalon

10 contractors with a Avalon mailing address hold an active (CLEAR) CSLB B General Building license in CSLB's license file dated Oct 20, 2026. Get quotes from up to 3 of them →

A B General Building license covers jobs with two or more unrelated trades, like an ADU, an addition or a remodel. A B contractor can't take a stand-alone plumbing, electrical or roofing job unless they also hold that specialty license or subcontract it to someone who does.
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Ad space · openAdvertise here
A Featured spot on this general building & adu page for Avalon is a paid ad for a License Verified contractor, labeled "Ad" every time. It sits apart from the directory and never changes the order below. From $49/mo. Join the waitlist →

All 10 licensed general contractors and ADU builders

Order: A–Z by business name (neutral, stated). Showing 1–10.
AVALON PLUMBING & CONSTRUCTION
B · also C-36 · Lic. #868397 · Avalon 90704
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CATALINA HOME IMPROVEMENTS INC
B · Lic. #780486 · Avalon 90704
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DAVID THOMPSON CONSTRUCTION
B · Lic. #584619 · Avalon 90704
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ELIAS GARCIA CONSTRUCTION INC
B · Lic. #1079737 · Avalon 90704
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GREG WRIGHT CONSTRUCTION
B · Lic. #667618 · Avalon 90704
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
L J ALTHERR DESIGN AND CONSTRUCTION
B · Lic. #728114 · Avalon 90704
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
PLANNED ENVIRONMENTS
B · Lic. #879009 · Avalon 90704
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
PLS BUILDER
B · Lic. #1002139 · Avalon 90704
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
STRAIGHT UP BUILDERS INC
B · Lic. #873510 · Avalon 90704
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ZELLER CONSTRUCTION
B · Lic. #726837 · Avalon 90704
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026