Home › Los Angeles County › Altadena
Licensed contractors in Altadena, CA
New this week
1 new license in Altadena
Issued Oct 16 – Oct 22, 2026.
Browse by trade
- General Building B
- Electrical C-10
- Plumbing C-36
- Warm-Air Heating, Ventilating & Air-Conditioning (HVAC) C-20
- Painting & Decorating C-33
- General Engineering A
- Landscaping C-27
- Flooring & Floor Covering C-15
- Roofing C-39
- Low Voltage Systems C-7
- Ceramic & Mosaic Tile C-54
- Concrete C-8
- Cabinet, Millwork & Finish Carpentry C-6
- Swimming Pool C-53
- Drywall C-9
- Tree Service D-49
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Quick facts
How many licensed contractors are in Altadena, CA?
153 contractors with a California CSLB license list a business address in Altadena, CA. 148 of them have an active license in good standing (CSLB data as of 10/22/2026).
How many contractors in Altadena, CA have a license problem right now?
5 are not in good standing right now, including 3 suspended for missing workers' comp. 11 active licenses expire within 90 days. Each listing below shows the status and a plain-English OK-to-hire verdict.
How do I check if a contractor is licensed?
Search the business name or license number on LicenseWatch CA to see license status, bond and workers' comp in one place, then confirm on the CSLB website before you sign a contract. In California, work over $1,000 in labor and materials requires a licensed contractor.
Featured spot availableLicensed contractors can claim this placement.
Claim your listing| Business | License | Status | Expires |
|---|---|---|---|
| Abel Audio | 978047 | Active | 10/31/2026 |
| Acs Design Build Group, Inc | 1140591 | Active | 07/31/2027 |
| Action Duct Cleaning Company Inc | 570541 | Active | 06/30/2027 |
| Adc Corp | 1097148 | Active | 09/30/2028 |
| Air Conditioning Solutions Inc | 863580 | Active | 08/31/2027 |
| Altadena General Contractors Inc | 1148660 | Active | 01/31/2028 |
| Altadena Handyman LLC DBA Ah Repipe And Plumbing | 1025813 | Active | 06/30/2027 |
| Altadena Plumbing & Drain Service | 910916 | Active | 11/30/2027 |
| Ambica Inc | 830779 | Active | 12/31/2027 |
| Amiable Construction Company | 515111 | Active | 07/31/2027 |
| Antranik Nazarian | 992576 | Active | 05/31/2028 |
| Ar Pro Retrofitter Inc | 940874 | Active | 04/30/2027 |
| Archetype Inc | 980164 | Active | 02/29/2028 |
| B C Milne Remodeling | 675321 | Active | 08/31/2027 |
| B P Builders | 891860 | Active | 03/31/2027 |
| Barry Smith | 884746 | Active | 02/28/2027 |
| Benavente Construction | 1153148 | Active | 09/30/2028 |
| Bertin Brothers Construction Inc | 637037 | Active | 01/31/2028 |
| Blackwood Brothers Construction | 988189 | Active | 11/30/2027 |
| Bottoms Up - Gardens & Tree Care | 743800 | Active | 12/31/2027 |
| Bronstruction Inc | 762724 | Active | 11/30/2027 |
| Built By Design | 973355 | Active | 12/31/2027 |
| C O Electric Co | 1062289 | Active | 01/31/2028 |
| Campagna Roofing LLC | 518327 | Active | 03/31/2027 |
| Canyon Builds Inc | 1151128 | Active | 02/29/2028 |
| Casa Bonita Builders Inc | 993435 | Active | 06/30/2028 |
| Castle Construction Services Inc | 1046985 | Active | 11/30/2026 |
| Catalyst Property Group Inc | 1151362 | Active | 03/31/2028 |
| Christopher M Potter | 1062587 | Active | 01/31/2028 |
| Classie Building Service And Construction | 723433 | Active | 06/30/2028 |
| Cleartech Media | 436029 | Active | 03/31/2027 |
| Comfort Heating & Cooling Systems | 707692 | Active | 08/31/2028 |
| Coyote Co | 1099652 | Active | 12/31/2026 |
| Crosby Construction | 994490 | Active | 07/31/2028 |
| D F Painting Inc | 1087871 | Active | 03/31/2028 |
| Dena Bryn Burke | 940589 | Active | 12/31/2027 |
| Derek Gaddes Construction | 710337 | Active | 07/31/2027 |
| E L Plumbing Works | 982622 | Active | 04/30/2027 |
| E M P Electric Inc | 1038070 | Active | 10/31/2028 |
| E W M Finish Carpentry | 710102 | Active | 07/31/2027 |
| Electro Construction Corp | 95881 | Active | 01/31/2028 |
| Elizabeth Brunwin | 938810 | Active | 06/30/2027 |
| Emerald Painting | 748787 | Active | 05/31/2028 |
| Enhaus Design Build Inc | 1104705 | Active | 05/31/2027 |
| Environmental Landscape Development Inc | 902300 | Active | 08/31/2027 |
| Evolution Builders LLC | 1026310 | Active | 05/31/2027 |
| Ez Engineering | 1163355 | Active | 10/31/2028 |
| FDM Construction Builders Inc | 949824 | Active | 01/31/2028 |
| Frontier Design & Build Inc | 1151602 | Active | 03/31/2028 |
| G- 12 Plumbing | 1015408 | Active | 06/30/2028 |
| Gaetano Tony Magno | 872830 | Active | 02/29/2028 |
| Gardzen Studio | 1143819 | Active | 09/30/2027 |
| Gary Lockwood | 559631 | Active | 03/31/2027 |
| Gemstep Construction Inc | 791985 | Active | 03/31/2027 |
| Gerald Payne Plumbing & Construction | 947434 | Active | 05/31/2028 |
| Go Home Builders Inc | 1076807 | Active | 06/30/2027 |
| Gold Builders Inc | 1015371 | Active | 06/30/2028 |
| Gonzalez Electric | 1113597 | Active | 12/31/2027 |
| Green II Builders | 514265 | Active | 07/31/2027 |
| Gregory M Johns | 664613 | Active | 09/30/2027 |
| Grueter Construction Corp | 416414 | Active | 04/30/2028 |
| Guerrero Electric | 562846 | Active | 03/31/2027 |
| Guevara / Judkins And Associates Inc | 586030 | Active | 02/29/2028 |
| Gunnar Lee-Miller | 1024359 | Active | 03/31/2027 |
| H & H Mechanical Inc | 644029 | Active | 12/31/2026 |
| H M Electric | 788356 | Active | 12/31/2026 |
| H P Daniels Construction | 891007 | Active | 02/28/2027 |
| Halpin Brothers Inc | 501705 | Active | 11/30/2026 |
| Handian Construction | 878705 | Active | 06/30/2028 |
| Handian Corporation | 977977 | Active | 10/31/2028 |
| Hickey Plumbing | 459923 | Active | 07/31/2028 |
| Highground Builders | 1042579 | Active | 08/31/2028 |
| Humberto's Construction Group Inc | 1162794 | Active | 10/31/2028 |
| Hunter Building Solutions | 1044716 | Active | 09/30/2028 |
| Image Works Construction | 980351 | Active | 01/31/2027 |
| Inbound Plumbing | 1088617 | Active | 12/31/2026 |
| Infini Tree Services | 979279 | Active | 12/31/2026 |
| Infinitree Services Inc | 1124535 | Active | 08/31/2028 |
| Integrity Custom Built | 1150717 | Active | 02/29/2028 |
| J A Evans Builders | 789429 | Active | 01/31/2027 |
| J And M Flores Co Tiles And Stone Marble | 991754 | Active | 04/30/2028 |
| J J A Construction | 1020329 | Active | 11/30/2026 |
| Jeffrey L Evans | 967176 | Active | 10/31/2027 |
| Joel Ochs | 977896 | Active | 10/31/2028 |
| John W Hedrick | 462915 | Active | 04/30/2028 |
| Johnson Steel Source | 797977 | Active | 07/31/2027 |
| Jose Luis Martinez | 671537 | Active | 05/31/2027 |
| Joseph Tenario | 840274 | Active | 02/28/2027 |
| Kempton Painting | 676233 | Active | 08/31/2027 |
| Kendra Designs | 494052 | Active | 10/31/2027 |
| Kevin C Sharp General Contractor | 827936 | Active | 12/31/2027 |
| L R C Electric | 561893 | Active | 03/31/2027 |
| LT Ross Plumbing LLC | 1107926 | Active | 08/31/2027 |
| Lance Mcgee | 1102985 | Active | 03/31/2027 |
| Linares Landscaping LLC | 1143601 | Active | 09/30/2027 |
| Lopez Tree & Landscape Inc | 997458 | Active | 01/31/2027 |
| Lumarc Construction Inc | 1146125 | Active | 11/30/2027 |
| Lund Construction | 982798 | Active | 04/30/2027 |
| Luxebury Home Improvement Inc | 1052083 | Active | 04/30/2027 |
| M A Electric | 569475 | Active | 05/31/2027 |
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