| License # | Business Name | City | Status | Last Updated |
|---|---|---|---|---|
| 532741 | WYDECK STEVE CONSTRUCTION | FAIRFIELD | Active | Sep 13, 2023 |
| 539079 | WYNER GARRET BENJAMIN | STUDIO CITY | Active | Jul 23, 2025 |
| 539817 | WYNNE JOHN C | VISTA | Active | Aug 8, 2024 |
| 529165 | X L ELECTRIC INC | HUNTINGTON BEACH | Active | Jul 22, 2026 |
| 530018 | X - TECH SECURITY INC | MANHATTAN BEACH | Active | Jun 26, 2026 |
| 526097 | XTREME PRECISION BUILDERS INC | ALPINE | Active | Oct 17, 2025 |
| 551758 | YAKUBYAN ABRAHAM | VAN NUYS | Contr Bond Susp | Jul 28, 2026 |
| 549999 | YANCEY TOM COMPANY THE | CARMICHAEL | Active | Aug 20, 2026 |
| 538559 | YANKEE HOME IMPROVEMENT | PETALUMA | Active | — |
| 527539 | YARBER GLENN ELECTRICAL & GENERAL CONTRACTOR | BIG BEAR CITY | Active | Apr 16, 2026 |
| 522539 | YEATES PAINTING AND DECORATING | HESPERIA | Active | Apr 11, 2026 |
| 532758 | YEOMANS CONSTRUCTION | LONG BEACH | Active | May 29, 2026 |
| 535439 | YESCHENKO MICHAEL T | GLENDALE | Active | Aug 14, 2026 |
| 524307 | YOUNGBLOOD CRAIG | APTOS | Active | Apr 4, 2026 |
| 531879 | YOUNG & BURTON INC | SAN RAMON | Active | May 5, 2026 |
| 534099 | YOUNG CRAIG ALLEN CONSTRUCTION | OJAI | Active | Aug 6, 2026 |
| 536859 | YOUNGER K T CONSTRUCTION | MIDWAY CITY | Active | Jul 25, 2026 |
| 538339 | YOUNG JAMES D | IRVINE | Active | Aug 11, 2026 |
| 535317 | YOUNG'S LAND CLEARING | BERMUDA DUNES | Active | Jul 14, 2026 |
| 529357 | YOUNG'S PAINTING CO | FULLERTON | Active | Apr 4, 2026 |
| 533619 | YOUSSEF NADER | WEST COVINA | Active | Aug 17, 2026 |
| 546071 | YUNG JOSEPH S | FOUNTAIN VALLEY | Active | Jun 4, 2026 |
| 541219 | Y & W CONSTRUCTION CO | SAN FRANCISCO | Active | Aug 27, 2026 |
| 529339 | ZAFFLE GEORGE GORDON | TRUCKEE | Active | Jul 18, 2026 |
| 538779 | ZAISER ROBERT W | CARDIFF | Active | Apr 5, 2024 |
| 523499 | ZAKARYAN ARAKEL | N HOLLYWOOD | Active | Jul 27, 2026 |
| 532738 | ZAKINIAN RUBEN | TUJUNGA | Active | Jun 19, 2026 |
| 534678 | ZARIF TALAL BEN | LOS ANGELES | Active | Jun 18, 2026 |
| 531799 | ZEFFERY'S CABINETS | MONTCLAIR | Active | Apr 28, 2026 |
| 542479 | ZELLMANN DONALD WAYNE | SAN DIEGO | Active | Sep 10, 2024 |
| 523539 | ZEMAN CONSTRUCTION | ROCKLIN | Active | Oct 29, 2024 |
| 525379 | ZENZOLA CONSTRUCTION INC | SAN DIMAS | Active | Apr 4, 2026 |
| 540799 | ZEPEDA PLUMBING CONSTRUCTION COMPANY INC | TEMECULA | Active | Apr 4, 2026 |
| 526399 | ZIBELL MIKE CONSTRUCTION | BEAUMONT | Active | Apr 10, 2026 |
| 527778 | ZILLMAN ELECTRIC COMPANY | VISTA | Active | Jun 10, 2026 |
| 551599 | ZINSMANN CONSTRUCTION COMPANY | CASA GRANDE | Contr Bond Susp | Jan 5, 2024 |
| 546772 | ZION ELETRIC | FULLERTON | Contr Bond Susp | Nov 23, 2024 |
| 524339 | ZIP FRANK | SAN FRANCISCO | Active | Jan 30, 2026 |
| 529579 | ZITKO PETER ANTHONY | HIDDEN VALLEY LAKE | Active | Apr 7, 2026 |
| 539439 | ZOE CONSTRUCTION | SELMA | Active | Aug 6, 2026 |
| 528421 | ZORAN'S RE-WOOD | SAN JOSE | Active | Apr 20, 2026 |
| 535579 | ZUMALT CONSTRUCTION | MANTON | Active | Apr 11, 2026 |