Licensed Heating & Air Conditioning (C-20) contractors in California

The California Contractors State License Board (CSLB) lists 8,936 California contractors classified C-20 (Heating & Air Conditioning (C-20)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of October 8, 2026.

Showing 6,781–6,840 of 8,936 contractors

Rhino Mechanical INC
Upland, CA · CSLB #551799 · as of October 8, 2026
Active · clear
RH Mechanical LLC
Livermore, CA · CSLB #1155766 · as of October 8, 2026
Active · clear
Rianda Air INC
Hollister, CA · CSLB #699804 · as of October 8, 2026
Active · clear
Ric Chavarrie Heating And Air Conditioning
Lakewood, CA · CSLB #958601 · as of October 8, 2026
Active · clear
Rice Heating & Air Conditioning INC
Grover Beach, CA · CSLB #237636 · as of October 8, 2026
Active · clear
Richard's Heating & Air Repair INC
Livermore, CA · CSLB #883458 · as of October 8, 2026
Active · clear
Richards HVAC
San Mateo, CA · CSLB #433455 · as of October 8, 2026
Active · clear
Richardson Mechanical
Escondido, CA · CSLB #1074366 · as of October 8, 2026
Active · clear
Richardson Technologies INC
Temecula, CA · CSLB #872618 · as of October 8, 2026
Active · clear
Rich HVAC
Newhall, CA · CSLB #1082104 · as of October 8, 2026
Active · clear
Aaron Rickard
Blue Ridge, CA · CSLB #801288 · as of October 8, 2026
Active · clear
Allen Heating & Air
Hemet, CA · CSLB #779192 · as of October 8, 2026
Active · clear
Rick's Heating & Air Conditioning INC
Goleta, CA · CSLB #455907 · as of October 8, 2026
Active · clear
Rick's Heating And Air
Laguna Niguel, CA · CSLB #556408 · as of October 8, 2026
Active · clear
Ricks Heating And Air A Partnership
Apple Valley, CA · CSLB #1013070 · as of October 8, 2026
Active · clear
Rick's Heating And Air Conditioning
Pleasanton, CA · CSLB #700486 · as of October 8, 2026
Active · clear
Ricks Mechanical
Lakeside, CA · CSLB #1142983 · as of October 8, 2026
Active · clear
Allright Enterprises INC DBA Rick's Refrigeration
Granite Bay, CA · CSLB #538702 · as of October 8, 2026
Active · clear
Rickys HVAC Services
Chino, CA · CSLB #1124573 · as of October 8, 2026
Active · clear
Rico Heating And Cooling
Torrance, CA · CSLB #1079010 · as of October 8, 2026
Active · clear
Ricos Heating And Air INC
Elverta, CA · CSLB #1020985 · as of October 8, 2026
Active · clear
Riddle Heating & Air
Escondido, CA · CSLB #980458 · as of October 8, 2026
Active · clear
Riddle Heating & Air INC
Pomona, CA · CSLB #1028243 · as of October 8, 2026
Active · clear
Ridgeback Mechanical
Sonoma, CA · CSLB #1115184 · as of October 8, 2026
Active · clear
Dennis A Riesche
Vacaville, CA · CSLB #941837 · as of October 8, 2026
Active · clear
Right Air Flow INC
Tustin, CA · CSLB #1045730 · as of October 8, 2026
Active · clear
Right Away Air Conditioning INC
Palm Desert, CA · CSLB #967263 · as of October 8, 2026
Active · clear
Right Choice Air Conditioning And Plumbing
La Quinta, CA · CSLB #1042289 · as of October 8, 2026
Active · clear
Right Climate INC
Corona, CA · CSLB #1008299 · as of October 8, 2026
Active · clear
Rightemp Home Services INC
Temecula, CA · CSLB #1084677 · as of October 8, 2026
Active · clear
Righteous Heating And Cooling
Murrieta, CA · CSLB #1020132 · as of October 8, 2026
Active · clear
Rightime Home Services
Memphis, CA · CSLB #765074 · as of October 8, 2026
Active · clear
Right On Time Heating And Cooling
Clearlake, CA · CSLB #1066745 · as of October 8, 2026
Active · clear
Right Tech Heating & Air INC
Glendale, CA · CSLB #1041777 · as of October 8, 2026
Active · clear
Righttemp Heating & Air Conditioning INC
Phelan, CA · CSLB #1157733 · as of October 8, 2026
Active · clear
Right Temp HVAC INC
Palmdale, CA · CSLB #1074502 · as of October 8, 2026
Active · clear
The Right Temp
Perris, CA · CSLB #1001511 · as of October 8, 2026
Active · clear
Right Way Air & Heating
San Diego, CA · CSLB #1147624 · as of October 8, 2026
Active · clear
R & I Heating And Cooling INC
Los Angeles, CA · CSLB #1103918 · as of October 8, 2026
Active · clear
Riley Plumbing & Heating
South Lake Tahoe, CA · CSLB #774078 · as of October 8, 2026
Active · clear
Rio Vista Air
Rio Vista, CA · CSLB #1144529 · as of October 8, 2026
Active · clear
Rise Mechanical INC
Long Beach, CA · CSLB #939606 · as of October 8, 2026
Active · clear
Rise Up Mechanical
Bakersfield, CA · CSLB #1130963 · as of October 8, 2026
Active · clear
Rittinger Heating & Air LLC
San Jose, CA · CSLB #1146584 · as of October 8, 2026
Active · clear
Rivco Mechanical Services INC
Indio, CA · CSLB #979446 · as of October 8, 2026
Active · clear
Rivera Heating & Air Conditioning
Redwood City, CA · CSLB #638764 · as of October 8, 2026
Active · clear
Rivera Heating And Cooling
Yuba City, CA · CSLB #1059365 · as of October 8, 2026
Active · clear
Jason Rivera
Thermal, CA · CSLB #1078296 · as of October 8, 2026
Active · clear
Rivera's Air Heating & Cooling Service INC
Hanford, CA · CSLB #838658 · as of October 8, 2026
Active · clear
Rivera's Heating & Air Conditioning
San Leandro, CA · CSLB #783459 · as of October 8, 2026
Active · clear
River City Controls INC
El Dorado Hills, CA · CSLB #783455 · as of October 8, 2026
Active · clear
River City Heating And Air
Rancho Cordova, CA · CSLB #1112314 · as of October 8, 2026
Active · clear
River City Heating And Cooling LLC
Mather, CA · CSLB #1152078 · as of October 8, 2026
Active · clear
River City Mechanical INC
Olivehurst, CA · CSLB #1041448 · as of October 8, 2026
Active · clear
Riverdale True Value Hardware And Appliance
Riverdale, CA · CSLB #854414 · as of October 8, 2026
Active · clear
Rivers HVAC Solutions
Santa Rosa, CA · CSLB #1091081 · as of October 8, 2026
Active · clear
Riverside Air
San Bernardino, CA · CSLB #1041502 · as of October 8, 2026
Active · clear
Riverside Heating And Air Conditioning
Riverside, CA · CSLB #648196 · as of October 8, 2026
Active · clear
Riverside Plumbing Company
Corona, CA · CSLB #1082213 · as of October 8, 2026
Active · clear
River Valley Air Conditioning INC
Ft Mohave, CA · CSLB #241747 · as of October 8, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.