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Solar installersLos Angeles County, CA

Solar installers in Los Angeles County

314 active licensed solar installers — ranked by real building permits in Los Angeles County, not by who pays. Permit data: City of Los Angeles Apr 2006 – Oct 2026; City of Los Angeles Jan 2019 – May 2023; City of Palmdale Jun 2023 – Oct 2026.

136
Solar installers with permits here
CSLB license on the permit
6,338
Solar installs
in building permits here
314
Licensed and active
work here or have an office here
100 shown
1
S
Sunrun
Lehi, UT · CSLB #750184 · B C-10 C-39 C-46 C-47 · last permit here Oct 2026
2,124 solar installs here56 with batteryLicensed since 1998
Installs: Tesla, LG Electronics, Qcells, JA Solar, SolarEdge
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2
TE
Tesla Energy Operations Inc
Fremont, CA · CSLB #888104 · B C-10 C-39 C-46 · last permit here Sep 2026
1,697 solar installs here269 with batteryLicensed since 2006
Installs: Tesla, Qcells, Delta Electronics, SolarEdge, Trina Solar
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3
PS
Pacificsky Solar LLC
Chatsworth, CA · CSLB #1004379 · C-10 C-46 · last permit here Sep 2026
476 solar installs here9 with batteryVerified websiteLicensed since 2015
Installs: Enphase, Hyundai, JA Solar, LG Electronics, Mission Solar
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4
S
Sunpower
Orem, UT · CSLB #961988 · C-10 C-46 · last permit here Aug 2026
300 solar installs here4 with batteryLicensed since 2011
Installs: Enphase, LONGi, Tesla, SunPower
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6
SS
Semper Solaris
El Cajon, CA · CSLB #978152 · B C-10 C-20 C-39 C-46 · last permit here Oct 2026
161 solar installs here112 with batteryVerified websiteLicensed since 2012
Installs: Tesla, Enphase, Canadian Solar, Qcells, Silfab
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7
CR
Citadel Roofing And Solar
Vacaville, CA · CSLB #647149 · B C-2 C-10 C-39 C-46 · last permit here Aug 2026
147 solar installs hereVerified websiteLicensed since 1992
Installs: REC
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8
SR
Solarmax Renewable Energy Provider Inc
Riverside, CA · CSLB #972048 · C-10 C-46 · last permit here Jun 2026
95 solar installs here1 with batteryVerified websiteLicensed since 2012
Installs: Tesla, Enphase, LG Energy Solution, SunSpark Technology
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9
TS
Treepublic Solar
Hawthorne, CA · CSLB #996593 · C-10 C-46 · last permit here Sep 2025
82 solar installs here12 with batteryVerified websiteLicensed since 2014
Installs: Enphase, REC, LG Electronics, Tesla
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10
GH
Green Hill Solar Inc
West Hills, CA · CSLB #938682 · B C-39 C-46 · last permit here Jun 2025
72 solar installs hereVerified websiteLicensed since 2009
Installs: SolarEdge, Qcells, Aptos Solar, Enphase, LG Electronics
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11
XS
Xero Solar
El Segundo, CA · CSLB #992157 · C-10 C-46 · last permit here May 2023
56 solar installs here17 with batteryVerified websiteLicensed since 2014
Installs: Tesla, LG Electronics, SunPower, Enphase
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12
QF
Qcells For New Homes
Irvine, CA · CSLB #1090641 · C-10 C-46 · last permit here Oct 2026
56 solar installs hereLicensed since 2022
Installs: Qcells, Tesla, Enphase
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13
LA
Los Angeles Solar Pros
Los Angeles, CA · CSLB #1033488 · C-10 C-46 · last permit here May 2023
49 solar installs here3 with batteryLicensed since 2017
Installs: Qcells, Tesla
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14
SD
Solar Discovery Inc
Northridge, CA · CSLB #1014977 · B C-10 C-39 C-46 · last permit here Apr 2026
47 solar installs hereLicensed since 2016
Installs: SolarEdge, CertainTeed, Hyundai, LG Energy Solution
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15
GA
Grid Alternatives
Oakland, CA · CSLB #867533 · B C-10 C-46 · last permit here Aug 2026
46 solar installs hereVerified websiteLicensed since 2005
Installs: Canadian Solar, Enphase, SolarEdge, Tesla, Hyundai
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16
BS
Blue Sky Energy
Santa Monica, CA · CSLB #632049 · ASB B C-10 C-46 · last permit here May 2023
40 solar installs here26 with batteryLicensed since 1991
Installs: Tesla, Enphase
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17
E+
Energy +
Palmdale, CA · CSLB #736839 · C-10 C-20 C-38 C-46 · last permit here Jun 2026
39 solar installs hereVerified websiteLicensed since 1997
Installs: SunPower
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18
T
Timeproofusa
Anaheim, CA · CSLB #1125771 · B C-10 C-39 C-46 · last permit here Sep 2026
32 solar installs hereVerified websiteLicensed since 2024
Installs: Enphase, JA Solar
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19
SS
Sun Solar Energy Solutions
Bakersfield, CA · CSLB #1065395 · C-10 C-46 · last permit here Oct 2025
28 solar installs hereLicensed since 2020
Installs: Tesla, Enphase, Qcells, SunPower
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20
SS
Silverline Solar
Canoga Park, CA · CSLB #1001143 · B C-10 C-46 · last permit here Sep 2026
26 solar installs here1 with batteryVerified websiteLicensed since 2015
Installs: Enphase
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Showing 1–100 of 314, ranked by permits. Any licensed contractor also has a profile — search by name or license number.

Questions & answers

How is this list ranked?
By the number of solar installs in building permits that name the contractor's CSLB license in Los Angeles 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 Los Angeles County or an office here. Suspended licenses are not listed.
Answers use only the facts on this page