Licensed contractors in Seattle, WA
31 company licenses with a clear status in Seattle, WA, in the CSLB file of October 1, 2026.
| Contractor | License | Main classification | Expires |
|---|---|---|---|
| ACG BUILDS INC | 1112543 | B — General Building | Nov 30, 2027 |
| BLUE WATER GRAPHIC SIGNS BLUE WATER PROJECTS INC | 1014803 | D-42 — Non-Electrical Sign Installation | Jun 30, 2028 |
| BNBUILDERS INC | 799131 | A — General Engineering | Sep 30, 2027 |
| COCHRAN ELECTRIC CO INC COCHRAN INC | 265298 | C-10 — Electrical | Aug 31, 2027 |
| COLUMBIA ELECTRICAL SOLUTIONS COLUMBIA FIRE LLC | 1150919 | C-10 — Electrical | Feb 29, 2028 |
| CONCRETE RESTORATION INC | 954553 | D-6 — Concrete Related Services | Nov 30, 2026 |
| COSTCO WHOLESALE CORPORATION | 858087 | B — General Building | Apr 30, 2027 |
| DOWBUILT INC | 948772 | B — General Building | Jun 30, 2028 |
| ENGINEERED PRODUCTS A PAPE' COMPANY | 910313 | D-21 — Machinery and Pumps | Feb 29, 2028 |
| GLOBAL DIVING & SALVAGE INC | 806939 | A — General Engineering | Apr 30, 2028 |
| GRINDLINE SKATEPARKS INC | 910106 | A — General Engineering | Feb 29, 2028 |
| I S C CONTRACTORS INC | 951891 | B — General Building | Sep 30, 2026 |
| KREKOW JENNINGS INC | 954834 | B — General Building | Nov 30, 2026 |
| LUMENOMICS INC | 981581 | D-52 — Window Coverings | Mar 31, 2027 |
| MANSON / CONNOLLY JV | 814282 | A — General Engineering | Oct 31, 2026 |
| MANSON CONSTRUCTION CO | 220319 | A — General Engineering | Nov 30, 2027 |
| MCKINSTRY ESSENTION LLC | 992771 | B — General Building | May 31, 2028 |
| MOMENTUM INC | 881004 | B — General Building | Jul 31, 2028 |
| NORTH AMERICAN TERRAZZO INC | 1034792 | C-15 — Flooring and Floor Covering | Jan 31, 2028 |
| O B WILLIAMS COMPANY | 834772 | C-6 — Cabinet, Millwork and Finish Carpentry | Mar 31, 2028 |
| OCEAN PARK MECHANICAL INC | 986064 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| OPTIMUM CO CAL OPTIMUM ENERGY CO LLC | 1150900 | B — General Building | Feb 29, 2028 |
| PACIFIC PILE & MARINE LP | 1049216 | A — General Engineering | Jan 31, 2027 |
| R.D. MERRILL REAL ESTATE HOLDINGS LLC | 1124804 | B — General Building | Aug 31, 2028 |
| REFINO INC | 787509 | B — General Building | Jun 30, 2027 |
| ROOFCORP OF AMERICA INC | 803718 | C-39 — Roofing | Jun 30, 2027 |
| RUBENSTEIN'S CONTRACT CARPET LLC | 1026712 | C-15 — Flooring and Floor Covering | May 31, 2027 |
| SCARSELLA BROS INC | 779354 | A — General Engineering | Apr 30, 2027 |
| TRANSCO NORTHWEST INC | 1132984 | D-21 — Machinery and Pumps | Feb 28, 2027 |
| TRIAD LAGOON VALLEY LLC | 1076911 | A — General Engineering | Jun 30, 2027 |
| VECA ELECTRIC & TECHNOLOGIES LLC | 933558 | C-10 — Electrical | Mar 31, 2027 |
Alphabetical order — this site ranks no one. Company licenses with a clear status in the CSLB file of October 1, 2026. Sole owners are not on this site; for today's status and complaints, use the CSLB's Instant License Check. How to read this.