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Licensed General Contractors in Sonora, California

Updated November 1, 2026 from CSLB's public license file · B General Building Contractor

  • 135licensed general contractors
  • 131active (Clear)
  • 3%with a suspension
  • 72.6%workers' comp exempt
  • 23 yrsmedian time licensed
  • 31.9%corp / LLC / partnership (68.1% sole owner)
  • 3new in the last 12 months
  • —change tracking began November 1, 2026

CSLB's public data lists 135 general contractors with a mailing address in Sonora, and 131 of them (97%) show a Clear primary status.

72.6% report a workers' comp exemption, 14.9 points higher than the statewide figure for general contractors (57.7%), so many of these businesses say they have no employees. The share with a suspension (3%) is close to the Tuolumne County rate for the same license (3.5%).

3 of these licenses are less than a year old, while 73.3% have been held for 10 years or more. The median is 23 years.

General contractors hold CSLB's B (General Building Contractor) license, which covers projects that combine two or more unrelated trades. See the B General Building Contractor guide for what the license covers.

How to check a general contractor's license in Sonora

  1. Find the business in the list below, or search all 135 Sonora listings, and open its profile. You want a Clear status and the B classification (a B license can also cover it as part of a multi-trade job).
  2. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 3% of Sonora listings here already show a suspension.
  3. Match the license holder's name to the name on the written contract and the person you meet. Since 72.6% of Sonora general contractors claim a workers' comp exemption, ask who will actually do the work. Hiring checklist.

50 of 135 general contractors in Sonora

Sonora general contractors sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.

Licensed general contractors in Sonora
Business nameLicense #StatusYearsWorkers' compBond
Peter Construction Company 265488 Clear 56 Exempt On file
Kolpack Glenn H INC 287112 Clear 53 Exempt On file
Vaughn Construction 311275 Clear 51 Exempt On file
Harris Ent 327158 Clear 50 Exempt On file
P S C Builders 327241 Clear 50 Exempt On file
California Gold Development Corporation 364660 Clear 48 Insured On file
Central 371489 Clear 47 Insured On file
Robert Divine 371078 Clear 47 Exempt On file
Lafayette Construction 375409 Clear 47 Exempt On file
Baldwin Jex Construction 388530 Clear 46 Insured On file
S J N Construction 392354 Clear 46 Exempt On file
The Livengood Company 397769 Clear 45 Exempt On file
Iveson Construction 432534 Clear 43 Exempt On file
Lindahn Enterprises 456230 Clear 42 Exempt On file
Mc Connell Mike Construction 459611 Clear 42 Insured On file
Davidson Val General Contractor 471167 Clear 41 Exempt On file
Addis Construction CO 482521 Clear 41 Insured On file
Citadel Construction 485799 Clear 40 Exempt On file
Brosnan Jim Construction 493742 Clear 40 Exempt On file
Jensen Ron Construction 508209 Clear 39 Exempt On file
Boyer Construction 509381 Clear 39 Insured On file
Cummings Enterprises 514944 Clear 39 Exempt On file
Silverado Estate Enterprises INC 526414 Clear 38 Exempt On file
A E D Construction 538140 Clear 38 Insured On file
Diehl John 556206 Clear 37 Insured On file
Lucas Building Corporation 561363 Clear 37 Insured On file
Sorini Construction 571236 Clear 37 Exempt On file
Wonacott Construction Services 574638 Clear 37 Exempt On file
R H Construction 587634 Clear 36 Insured On file
Bob's Woodshed 592702 Clear 36 Exempt On file
Swanson R Duane Construction INC 602366 Clear 36 Exempt On file
Caldera Robert Construction INC 607403 Clear 35 Insured On file
Sund Construction CO 607457 Clear 35 Exempt On file
Kim Persson Electric 615074 Clear 35 Insured On file
Hiatt L R Construction CO 622673 Clear 35 Exempt On file
Dls Custom Builders INC 628618 Clear 35 Exempt On file
Miller Robert Construction 631216 Clear 35 Exempt On file
James Dennis A 640371 Clear 34 Exempt On file
Zelinsky Enterprises LLC 639468 Clear 34 Exempt On file
Hicks Joel General Contractor 646504 Clear 34 Exempt On file
Fray Mark Construction 667643 Clear 33 Exempt On file
Fray Matt Construction 667642 Clear 33 Exempt On file
Crow Canyon Construction Company 679927 Clear 33 Exempt On file
Instahl INC 690553 Clear 32 Insured On file
Five Star Construction 693683 Clear 32 Exempt On file
Keegan V Kevin 695543 Clear 32 Exempt On file
Hagstrom Construction 698193 Clear 32 Exempt On file
Borgen Electric 707012 Clear 31 Exempt On file
Davis Ricky Construction INC 708322 Clear 31 Insured On file
Mike Poole Construction 712761 Clear 31 Exempt On file

See all 135 general contractors in Sonora

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Frequently asked questions

How many licensed general contractors are in Sonora?

CSLB's current public file lists 135 general contractors with a Sonora mailing address. 131 have a Clear status, and 86.7% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).

What license does a general contractor need in California?

General contractors hold CSLB's B (General Building Contractor) license, which covers projects that combine two or more unrelated trades. Any job of $1,000 or more in labor and materials needs a licensed contractor. Read our guide to the $1,000 rule.

How do I check a general contractor's workers' comp?

Each profile shows the workers' comp type, insurer and policy dates from CSLB's file. Among Sonora general contractors, 72.6% are exempt (no employees), 25.2% insured and 2.2% without current coverage. Verify a policy with CSLB's insurer search (step by step).

Related

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Other licensed trades in Sonora

Guides