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Solar installersSan Bernardino County, CA

Solar installers in San Bernardino County

47 active licensed solar installers — ranked by real building permits in San Bernardino County, not by who pays. Permit data: City of Rancho Cucamonga Mar 2024 – Oct 2026.

7
Solar installers with permits here
CSLB license on the permit
27
Solar installs
in building permits here
47
Licensed and active
work here or have an office here
47 shown
1
S
Sunrun
Lehi, UT · CSLB #750184 · B C-10 C-39 C-46 C-47 · last permit here Sep 2026
17 solar installs here5 with batteryLicensed since 1998
Installs: Tesla, LG Electronics, Qcells, JA Solar, SolarEdge
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2
TS
Tenco Solar Inc
Anaheim, CA · CSLB #1092568 · C-10 C-46 · last permit here Feb 2026
4 solar installs hereVerified websiteLicensed since 2022
Installs: LONGi, Philadelphia Solar, Canadian Solar
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3
ME
Mesa Energy Systems Inc
Irvine, CA · CSLB #611215 · B C-4 C-7 C-10 C-20 C-36 C-38 C-46 · last permit here Apr 2025
2 solar installs hereVerified websiteLicensed since 1991
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4
BE
Baker Electric
Escondido, CA · CSLB #161756 · A B C-7 C-10 C-46 · last permit here Mar 2025
1 solar installs hereVerified websiteLicensed since 1956
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5
SA
Solar And Roof Direct
Shingle Springs, CA · CSLB #1065773 · C-10 C-20 C-39 C-46 · last permit here Aug 2024
1 solar installs hereVerified websiteLicensed since 2020
Installs: Tesla, SolarEdge
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7
CP
Cobalt Power Systems Inc
Mountain View, CA · CSLB #820697 · C-46 · last permit here Sep 2025
1 solar installs hereLicensed since 2003
Installs: Chint Power Systems
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8
TE
Tesla Energy Operations Inc
Fremont, CA · CSLB #888104 · B C-10 C-39 C-46 · last permit here Oct 2026
Office in the county · no permits on our portals yet2 with batteryLicensed since 2006
Installs: Tesla, Qcells, Delta Electronics, SolarEdge, Trina Solar
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9
SS
Semper Solaris
El Cajon, CA · CSLB #978152 · B C-10 C-20 C-39 C-46 · last permit here Jul 2026
Office in the county · no permits on our portals yet1 with batteryVerified websiteLicensed since 2012
Installs: Tesla, Enphase, Canadian Solar, Qcells, Silfab
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10
SR
Solarmax Renewable Energy Provider Inc
Riverside, CA · CSLB #972048 · C-10 C-46 · last permit here Sep 2026
Office in the county · no permits on our portals yet1 with batteryVerified websiteLicensed since 2012
Installs: Tesla, Enphase, LG Energy Solution, SunSpark Technology
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11
GA
Grid Alternatives
Oakland, CA · CSLB #867533 · B C-10 C-46 · last permit here Jul 2026
Office in the county · no permits on our portals yet1 with batteryVerified websiteLicensed since 2005
Installs: Canadian Solar, Enphase, SolarEdge, Tesla, Hyundai
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12
SB
Sea Bright Solar Inc
San Bernardino, CA · CSLB #900399 · C-46
Office in the county · no permits on our portals yetVerified websiteLicensed since 2007
Installs: Tesla
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13
OO
Option One Solar
Apple Valley, CA · CSLB #985340 · C-10 C-46
Office in the county · no permits on our portals yetVerified websiteLicensed since 2013
Installs: Tesla, Hyundai, REC
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14
SS
Simply Solar LLC
Rancho Cucamonga, CA · CSLB #990055 · C-10 C-46
Office in the county · no permits on our portals yetVerified websiteLicensed since 2014
Installs: LG Electronics
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17
CE
Colossus Energy
Colton, CA · CSLB #962278 · B C-10 C-46
Office in the county · no permits on our portals yetLicensed since 2011
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18
CC
Calcraft Corporation
Rialto, CA · CSLB #872310 · B C-10 C-33 C-43 C-45 C-46 C-51 HAZ
Office in the county · no permits on our portals yetVerified websiteLicensed since 2006
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20
SU
Solartronics USA
Colton, CA · CSLB #932764 · C-7 C-10 C-46
Office in the county · no permits on our portals yetVerified websiteLicensed since 2009
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Questions & answers

How is this list ranked?
By the number of solar installs in building permits that name the contractor's CSLB license in San Bernardino County, then by all their permits here. No company pays to appear or to change its place; offers from Cali Energy are labeled.
Who is included?
Contractors with an active CSLB C-46 license who either have permits in San Bernardino County or an office here. Suspended licenses are not listed.
Answers use only the facts on this page