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Solar · Battery · Electrical · Roofing contractorEl Cajon, CA

Semper Solaris

Licensed since 2012 · Corporation · 2,392 building permits on record

CSLB #978152 · ActiveWorkers' comp insuredBonded $25,000Verified website
License classes
B General BuildingC-10 ElectricalC-20 HVACC-39 RoofingC-46 Solar
2,392
Permits on record
7 jurisdictions
863
Permits in 3 years
last Oct 7, 2026
272
Solar systems
median 7.1 kW (n = 22)
115
Battery installs
Tesla Powerwall most often
311
Roofing jobs
re-roofs and repairs

Work history

Building permits: City of Los Angeles, San Diego County, City of Anaheim, City of Chula Vista …

Permits by year

3222019341202037220213162022972023136202442120253022026
Data covers City of Los Angeles 2006–Oct 2026; San Diego County 2024–Oct 2026; City of Anaheim 1999–Sep 2026; City of Chula Vista 2026–Oct 2026; City of Huntington Beach 2024–Oct 2026; City of Palmdale 2023–Oct 2026; City of Rancho Cucamonga 2024–Oct 2026.

What they build

Electrical
788
Remodel / addition
744
Roofing
311
Solar
272
Battery storage
115
HVAC
77
Other building work
55
Main panel / service upgrade
27

Most recent permits

IssuedWorkJurisdictionZIP
Oct 7, 2026SolarCity of Chula Vista—
Oct 7, 2026RoofingCity of Palmdale93550
Oct 7, 2026SolarCity of Palmdale93550
Oct 7, 2026Remodel / additionSan Diego County91902
Oct 7, 2026Remodel / additionSan Diego County91906
Oct 6, 2026Remodel / additionSan Diego County92003
Oct 6, 2026Remodel / additionSan Diego County92078
Oct 6, 2026Remodel / additionSan Diego County91917
Oct 2, 2026RoofingCity of Palmdale93550
Oct 1, 2026SolarCity of Chula Vista—
Only the type of work, date and ZIP are shown — never homeowner names or street addresses.
Permits are matched to this contractor by CSLB license number on the permit

Equipment they install

Building permits · company website
Batteries
  • Tesla Powerwall63
  • Tesla Powerwall 29
  • Enphase IQ Battery 5P5
  • Tesla5
  • Tesla Powerwall 3 Expansion3
  • Enphase IQ Battery2
Solar panels
  • Canadian Solar6
  • Qcells Q.PEAK DUO5
  • Silfab4
  • Solaria3
  • Qcells Q.PEAK1
Inverters & controls
  • Enphase3
  • SolarEdge SE…H (HD-Wave)1
  • Tesla Solar Inverter1
  • Enphase IQ8+1
  • Enphase IQ8A1
  • Enphase IQ8M1
Named in their building permits. Brands on the company website: Enphase, Owens Corning, Panasonic, Powerwall, SolarEdge, SunPower, Tesla.
Counts are permits that name the product

Where they work

Building permits

Jurisdictions

Los Angeles
1,382
San Diego County
741
Anaheim
155
Chula Vista
59
Huntington Beach
33
Palmdale
21
Rancho Cucamonga
1

Top ZIP codes

  • ZIP 9206597
  • ZIP 9190169
  • ZIP 9202857
  • ZIP 9204052
  • ZIP 9197752
  • ZIP 9134351
  • ZIP 9132647
  • ZIP 9134246
Area is where permits were issued, not the office address

License, bond & insurance

California Contractors State License Board
  • CSLB license#978152 · Active
  • Business typeCorporation
  • Issued · expiresOct 26, 2012 · Oct 31, 2028
  • OfficeEl Cajon, CA 92020
  • CSLB record updatedOct 2, 2026
  • Contractor bond$25,000 · since Jan 1, 2023
  • Bond companyHarco National Insurance Company
  • Workers' compensationWorkers' Compensation Insurance · until Oct 10, 2027
  • InsurerPraetorian Insurance Company

License classes

B General BuildingC-10 ElectricalC-20 HVACC-39 RoofingC-46 Solar
Always confirm a license on cslb.ca.gov before signingCheck another license

About the company

sempersolaris.com

Services

Battery storageFree estimatesGuttersHVACRoof replacementSkylightsSolar installation

Certifications claimed

Owens Corning PlatinumTesla Certified Installer
  • Founded2012
  • Websitesempersolaris.com
  • Brands mentionedEnphase, Owens Corning, Panasonic, Powerwall, SolarEdge, SunPower, Tesla
From the company's own website, checked Oct 8, 2026. Claims are the company's; we show where each came from.
Facts with links to the page they came from

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Questions & answers

Is Semper Solaris licensed?
CSLB license #978152 is active, issued Oct 26, 2012 and valid through Oct 31, 2028, with classes B, C-10, C-20, C-39, C-46.
Is Semper Solaris insured and bonded?
CSLB lists workers' compensation insurance with Praetorian Insurance Company until Oct 10, 2027 and a $25,000 contractor bond with Harco National Insurance Company.
How many jobs has Semper Solaris done?
Building permits name the company on 2,392 jobs, including 788 electrical, 744 remodel / addition, 311 roofing.
Which batteries does Semper Solaris install?
Their permits name Tesla Powerwall most often.
Where does Semper Solaris work?
Most permits are in City of Los Angeles, San Diego County, City of Anaheim.

Sources

  1. Contractors State License Board — license, bond and workers' comp records (Oct 2, 2026).
  2. Building permits — City of Los Angeles, San Diego County, City of Anaheim, City of Chula Vista, City of Huntington Beach, City of Palmdale, City of Rancho Cucamonga.
  3. Company website — sempersolaris.com (checked Oct 8, 2026).
Answers use only the facts on this pageIs this your business? Update listing