California › Contra Costa County › General Building & ADU › Byron
Licensed general contractors and ADU builders in Byron
11 contractors with a Byron 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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A Featured spot on this general building & adu page for Byron 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 →
Ad space · openAdvertise here
A Featured spot on this general building & adu page for Byron 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 11 licensed general contractors and ADU builders
Order: A–Z by business name (neutral, stated). Showing 1–11. D LR BAY AREA CONSTRUCTION
B · Lic. #1086543 · Byron 94514
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
FLIPPER ROOFING AND CONSTRUCTION INC
B · also C-39 · Lic. #747664 · Byron 94514
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GOLDEN OAKS CONSTRUCTION CO INC
B · Lic. #468945 · Byron 94514
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending
JAWS CONSTRUCTION INC
B · Lic. #1037590 · Byron 94514
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MK PRO CONSTRUCTION LLC
B · Lic. #1099406 · Byron 94514
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
OTIS CONSTRUCTION INC
B · Lic. #866492 · Byron 94514
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RAY'S MOBILE MODULAR SERVICE
B · Lic. #555444 · Byron 94514
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ROBERT J PORTER CONST
B · Lic. #620533 · Byron 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
STILLWATER GENERAL BUILDING CONTRACTORS INC
B · Lic. #1117292 · Byron 94514
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TURCOTTE CONSTRUCTION INC
B · Lic. #667840 · Byron 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WISE CONSTRUCTION
B · Lic. #961840 · Byron 94514
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026