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COMMERCIAL ROOFING, WINDOWS & EXTERIOR WALL SERVICES

GreenCal Construction’s Commercial Division is an industry leader in roofing, windows, and exterior wall renovation throughout Southern California. We service multi-family residential units, business buildings, warehouses, religious buildings, government buildings, and any commercial unit in need of help. Contact us for a free inspection and estimate. We will be happy to come out and figure out the best options for your building.


COMMERCIAL SERVICES

Roofing

Whether it’s a new roof replacement, our expert flat roof coating system, or something else, we can find a solution that meets your needs and budget.

Windows

How old are your building’s windows? Find out how energy-efficient windows can help lower your building’s power usage and energy bill.

Exterior Wall Services

GreenCal Construction is a fully licensed and insured painting company serving the Fullerton and Southern California area.

SEE WHAT OTHERS ARE SAYING ABOUT GREENCAL!

  •   When finding someone to replace my roof - I needed a roofer that could help me cool down my home. I have a flat roof with no attic so it... read more

    thumb Miguel J.
    8/10/2022

      Great service, timely, great products. Super happy with my new roof. Ask about their financing programs. Really helped me out allowing me to get my roof sooner than later!

    thumb Thicc H.
    7/18/2022

      My wife and I got many quotes to have our house re-roofed.Why? Because every company gave us a different story. Greencal gave us the most straight forward and logical estimate... read more

    thumb Isaac S.
    9/30/2022
  •   I hired Greencal to reroof my home. Since we just moved into this property we had to be strategic and careful about financing a major project like this. It was... read more

    thumb Jennifer P.
    8/08/2022

      Very pleased with the roofing project. They provided quality service and made to sure to answer any and all questions we had. Would recommend!

    thumb Filiberto P.
    7/17/2022

      I've shopped around for 9 months & finally found a great roofing company. Value, quality & quick response are my 3 words to recommend this group of professionals.

    thumb Jose A.
    8/30/2022
  •   I'm a realtor and my clients needed to get their roof replaced.  I contacted a couple of companies and received several quotes.  My clients ended up selecting Greencal Construction because... read more

    thumb Magdalena A.
    9/26/2022

      Needed to replace my roof and I got 4 estimates. I choose GreenCal not because it had the LOWEST ESTIMATE because it DID, not because it was a authorized installers,... read more

    thumb Kirk P.
    10/30/2022

      Greencal Construction did an awesome job in my clients home. We needed someone fast to do a roof Greencal came the next day for an estimate and immediately set it... read more

    thumb Mor M.
    8/12/2022
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