Home / California / Grass Valley / Insulation and Acoustical

Insulation and Acoustical in Grass Valley, CA

4 records with this classification and Grass Valley as their locality of record, from CSLB's records, as of November 3, 2026.

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.

• FOAM KING CLEAR
  License 1027544 · expires June 30, 2027
• GOLD COUNTRY ROOFING CLEAR
  License 453905 · expires January 31, 2028
• JENSEN DRYWALL CLEAR
  License 997136 · expires September 30, 2028
• MOUNTAIN INSULATION CLEAR
  License 1137068 · expires May 31, 2027