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Contractor license records in Downers Grove, IL

7 records with Downers Grove as their locality of record in CSLB's records, as of November 3, 2026. Statuses print as the board records them; a record listed as suspended is not a current credential.

Source: California Contractors State License Board (CSLB) — records as of November 3, 2026. Records change; the board’s own CSLB License Check is the current source.

By classification in Downers Grove

General Building (3) · Boiler, Hot-Water Heating and Steam Fitting (1) · Warm-Air Heating, Ventilating and Air-Conditioning (1) · Plumbing (1) · Glazing (1) · General Engineering (1) · Electrical (1) · Swimming Pool (1)

• AM MECHANICAL LLC CLEAR
  License 1037938 · expires November 30, 2028
• AMPS POWER SOLUTIONS LLC CLEAR
  License 1138844 · expires June 30, 2027
• ARCO / MURRAY NATIONAL CONSTRUCTION COMPANY LLC CLEAR
  License 934740 · expires January 31, 2028
• CK2 CONTRACT GLAZING CLEAR
  License 1075522 · expires May 31, 2027
• RICHARD LASTOVKA CLEAR
  License 938908 · expires October 31, 2027
• RWE MANAGEMENT COMPANY CLEAR
  License 1108580 · expires August 31, 2027
• SEVAN MULTI-SITE SOLUTIONS INC CLEAR
  License 1076021 · expires May 31, 2027