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Contractor LookoutCalifornia

Licensed General Contractors in Altadena, California

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

  • 95licensed general contractors
  • 91active (Clear)
  • 4.2%with a suspension
  • 57.9%workers' comp exempt
  • 14.4 yrsmedian time licensed
  • 55.8%corp / LLC / partnership (44.2% sole owner)
  • 10new in the last 12 months
  • —change tracking began November 1, 2026

There are 95 general contractors based in Altadena in CSLB's current file. 91 (95.8%) have a Clear status as of November 1, 2026.

About 57.9% report a workers' comp exemption, roughly the statewide norm for general contractors. The share with a suspension (4.2%) is close to the Los Angeles County rate for the same license (4.5%).

Experience varies: 64.2% have been licensed 10+ years and 10 are new this year (median 14.4 years, vs 15.3 statewide).

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 Altadena

  1. Open the general contractor's profile from the table below (or search Altadena listings by name). Check that B appears among its classifications and that the primary status reads Clear. What B covers.
  2. Confirm it live with CSLB's Instant License Check. Statuses change between our weekly refreshes, especially workers' comp and bond suspensions.
  3. Get the bid and contract in writing with the license number on it. If the job tops $1,000 in labor and materials, a licensed general contractor is required by law. See the $1,000 rule.

50 of 95 general contractors in Altadena

Altadena 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 Altadena
Business nameLicense #StatusYearsWorkers' compBond
Electro Construction Corp 95881 Clear 79 Insured On file
Grueter Construction Corp 416414 Clear 44 Insured On file
Rustic Construction Enterprises 449067 Clear 43 Exempt On file
Hedrick John W 462915 Clear 42 Exempt On file
Kendra Designs 494052 Clear 40 Insured On file
Thomas Companies INC 497014 Clear 40 Exempt On file
Halpin Brothers INC 501705 Clear 39 Insured On file
Amiable Construction Company 515111 Clear 39 Exempt On file
Green II Builders 514265 Clear 39 Exempt On file
Lockwood Gary 559631 Clear 37 Insured On file
Action Duct Cleaning Company INC 570541 Clear 37 Insured On file
Guevara / Judkins and Associates INC 586030 Clear 36 Exempt On file
Bertin Brothers Construction INC 637037 Clear 34 Exempt On file
Johns Gregory M 664613 Clear 33 Exempt On file
B C Milne Remodeling 675321 Clear 33 Exempt On file
E W M Finish Carpentry 710102 Clear 31 Exempt On file
Gaddes Derek Construction 710337 Clear 31 Exempt On file
Classie Building Service and Construction 723433 Clear 30 Exempt On file
Lemke Richard Arnet Construction 725171 Clear 30 Exempt On file
Tres G Construction 752845 Clear 28 Exempt On file
Bronstruction INC 762724 Clear 27 Insured On file
Evans J A Builders 789429 Clear 25 Exempt On file
Gemstep Construction INC 791985 Clear 25 Insured On file
Johnson Steel Source 797977 Clear 25 Exempt On file
Saleh Construction Company 807211 Clear 24 Exempt On file
Sharp Kevin C General Contractor 827936 Clear 22 Exempt On file
Ambica INC 830779 Clear 22 Exempt On file
Joseph Tenario 840274 Clear 22 Exempt On file
O E C Energy 856361 Clear 21 Exempt On file
Air Conditioning Solutions INC 863580 Clear 21 Insured On file
Tamamian Construction 869860 Clear 20 Exempt On file
Handian Construction 878705 Clear 20 Insured On file
Pacific Home Builders 883029 Clear 20 Exempt On file
Smith Barry 884746 Clear 20 Exempt On file
Machaon Construction 887427 Clear 20 Insured On file
B P Builders 891860 Clear 19 Insured On file
Daniels H P Construction 891007 Clear 19 Insured On file
Environmental Landscape Development INC 902300 Clear 19 Insured On file
Osmart General Construction INC 922233 Clear 18 Insured On file
Bridal Stephen Builders 939244 Clear 17 Exempt On file
Elizabeth Brunwin 938810 Clear 17 Exempt On file
Payne Gerald Plumbing & Construction 947434 Clear 16 Exempt On file
Fdm Construction Builders INC 949824 Clear 16 Exempt On file
Smalling Mechanical CO 956042 Clear 15 Insured On file
Out of the Wood Construction 961872 Clear 15 Exempt On file
Built By Design 973355 Clear 14 Exempt On file
Kroeger Group the 974669 Clear 14 Exempt On file
Simco Mechanical INC 974288 Clear 14 Insured On file
Handian Corporation 977977 Clear 14 Insured On file
Ochs Joel 977896 Clear 14 Exempt On file

See all 95 general contractors in Altadena

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 Altadena?

CSLB's current public file lists 95 general contractors with a Altadena mailing address. 91 have a Clear status, and 85.3% 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?

Look for B on the license. 95 businesses in Altadena hold it. Small jobs under $1,000 with no permit and no employees are exempt; everything else needs a license (details).

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 Altadena general contractors, 57.9% are exempt (no employees), 40% insured and 2.1% without current coverage. Verify a policy with CSLB's insurer search (step by step).

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