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Roofing & Exterior Contractor

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Construction trailer with Greencal branding and contact information on a residential street next to parked cars and trash bin in Long Beach.

View our most recent projects…

Featured

May 9, 2025

Pasadena, CA | Residential Roofing

May 9, 2025

Manufacturer: Owens Corning Full System, 50-year Platinum Protection Warranty
Product: Duration CoolPlus+
Color: Cliffside Gray
Edge Metal: Black

May 9, 2025

Apr 23, 2025

Burbank, CA | Residential Roofing & Exterior Paint

Apr 23, 2025

Roof:
Manufacturer: Owens Corning Full System, 50-year Platinum Protection Warranty
Product: Duration CoolPlus+
Color: Amber
Edge Metal: White

Exterior Paint:
Manufacturer: Dunn Edwards
Product: Evershield

Apr 23, 2025

Apr 21, 2025

Pasadena, CA | Residential ADU Roofing

Apr 21, 2025

Manufacturer: Owens Corning Full System, Manufacturer-only Warranty
Product: Duration CoolPlus+
Color: Prairie Wood
Edge Metal: Brown

Apr 21, 2025

Apr 11, 2025

Fullerton, CA | Residential Roofing

Apr 11, 2025

Manufacturer: Owens Corning Full System, 50-year Platinum Protection Warranty
Product: Duration CoolPlus+
Color: Amber
Edge Metal: Brown

Apr 11, 2025

Apr 4, 2025

Carson, CA | Residential Roofing

Apr 4, 2025

Manufacturer: Owens Corning Full System, 50-year Platinum Protection Warranty
Product: Duration CoolPlus+
Color: Amber
Edge Metal: Brown

Apr 4, 2025

Mar 21, 2025

Compton, CA | Exterior Paint & Windows

Mar 21, 2025

Windows:
Manufacturer: Anlin
Product: Catalina

Exterior Paint:
Manufacturer: Sherwin Williams
Product: Duration Exterior Paint
Colors: Romance & Fiery Brown

Mar 21, 2025

Mar 19, 2025

DTLA Textile Building | Commercial Roofing

Mar 19, 2025

Manufacturer: Johns Manville, APOC
Products: 4-ply Torch Down/60 MIL TPO & Walking Pads
Color: White
Special Accommodations: Custom trash chute for debris due to lack of access and demo and rebuild of roof-top deck

Mar 19, 2025

Feb 4, 2025

San Gabriel, CA | Residential Roofing

Feb 4, 2025

Manufacturer: GAF, Manufacturer Warranty Only
Product: Timberline HDZ RS
Color: Aged Chestnut
Edge Metal: Brown

Feb 4, 2025

Orange, CA | Tile & Flat Roofing + Gutters

Feb 4, 2025

Manufacturer: Eagle
Color: Vallejo Range Style: Capistrano
Underlayment: Titanium FR by Owens Corning
Edge Metal: Brown

Feb 4, 2025

Fountain Valley, CA | Residential Roofing

Feb 4, 2025

Manufacturer: Certainteed, Manufacturer Warranty
Product: Solaris
Color: Georgetown Gray
Edge Metal: White

Feb 4, 2025

Arcadia, CA | Residential Roofing

Feb 4, 2025

Manufacturer: Owens Corning Full System, 50-year Platinum Protection Warranty
Product: Duration CoolPlus+
Color: Rolling Stone
Edge Metal: Black

Feb 4, 2025

Feb 1, 2025

Santa Fe Springs, CA | Commercial Roofing

Feb 1, 2025

Manufacturer: Johns Manville, 20-year warranty
Product: 3-play APPex 4.5m
Color: White
Skylights: Solar Industries, Inc. Commercial Skylights

Feb 1, 2025

Jan 30, 2025

Long Beach, CA | Residential Roofing

Jan 30, 2025

Manufacturer: Owens Corning Full System, 50-year Platinum Protection Warranty
Product: Duration CoolPlus+
Color: Midnight
Edge Metal: Black

Jan 30, 2025

Nov 7, 2024

La Habra, CA | Residential Roofing & Exterior Paint

Nov 7, 2024

Manufacturer: Owens Corning Full System, 50-year Platinum Protection Warranty
Product: Duration CoolPlus+
Color: Rolling Stone
Metal: Black …(continued)

Nov 7, 2024

Sep 16, 2024

Hacienda Heights, CA | Residential Roofing

Sep 16, 2024

Manufacturer: Owens Corning Full System, 50-year Platinum Protection Warranty
Product: Duration CoolPlus+
Color: Copper Trail
Edge Metal: Brown

Sep 16, 2024

Aug 15, 2024

Bellflower, CA | Residential Roofing

Aug 15, 2024

Manufacturer: Owens Corning Full System, 50-year Platinum Protection Warranty
Product: Duration CoolPlus+
Color: Amber
Edge Metal: Brown

Aug 15, 2024

Jun 6, 2024

Carson, CA | Residential Roofing

Jun 6, 2024

Manufacturer: Owens Corning Full System, 50-year Platinum Protection Warranty
Product: Duration CoolPlus+
Color: Mystic Gray
Edge Metal: White

Jun 6, 2024

Questions? Email Us Directly
Call us: 714-790-1750

9065 Rosecrans Avenue
Bellflower, CA 90706

Featured

Solar, Residential Roofing, Commercial Roofing, Energy Efficiency

Is My Roof Ready For Solar?

Solar, Residential Roofing, Commercial Roofing, Energy Efficiency

In the pursuit of a greener, more sustainable lifestyle, many homeowners are turning to solar energy to power their homes. Solar is here to stay, and it's only a matter of time before you ask the electric company for your money back. But before you dive into the world of solar panels, there's a crucial step you shouldn't overlook: ensuring your roof is in top condition to mount solar panels. Let's explore the importance of a new asphalt ,tile, or metal roof before adding solar to your home.

Solar, Residential Roofing, Commercial Roofing, Energy Efficiency

Commercial Roofing

Commercial Roof Replacement

Commercial Roofing

As a commercial business owner, your plate is full. You are focused on handling customer complaints, finding good employees, dealing with supply chain issues, and worrying about the bottom line. In the midst of all that, it can be easy to forget about the roof over your head. Literally. Who has time to figure out if their commercial roof needs to be replaced?

We get it. Our goal is to make your life easier by giving you accurate information so you can make an informed decision and get back to the business of running your business.

3 factors that determine the need for commercial roof replacement:

Commercial Roofing

Windows, Gutters

Prepping Your Windows and Gutters For Autumn

Windows, Gutters

As the vibrant colors of summer begin to fade, and the crispness of autumn fills the air, it’s time to prepare your home for the changing season. While autumn brings cozy moments by the fire and scenic foliage, it also brings challenges for your home, particularly your windows and gutters. To ensure your home remains comfortable and well-protected throughout the season, here are essential maintenance tips to get your windows and gutters ready for autumn.

Windows, Gutters

Commercial Roofing, Residential Roofing

Durability and Sustainability of Metal Roofing

Commercial Roofing, Residential Roofing

When it comes to roofing choices, metal roofing stands out not only for its sleek and modern appearance but also for its exceptional durability and sustainability. Metal roofs have gained popularity for residential and commercial properties alike, offering a range of benefits that extend far beyond aesthetics. In this article, we’ll explore the advantages of metal roofing, focusing on its durability and sustainability, and how it can enhance your property’s value and performance.

Commercial Roofing, Residential Roofing

Windows

Framing the Future: How Windows Boost Home Value

Windows

Your home is an investment that holds both personal and financial significance. When considering improvements that can enhance its value, window replacement might not be the first thing that comes to mind. However, the impact of new windows on your home’s aesthetics, energy efficiency, and overall appeal can contribute significantly to its value. In this article, we’ll explore how window replacement can frame the future by boosting your home’s value.

Windows

Exterior Paint

Weatherproofing With Exterior Paint

Exterior Paint

Your home’s exterior is its first line of defense against the unpredictable forces of nature. One effective way to protect and strengthen your home is by weatherproofing with exterior paint. Not only does exterior paint enhance your home’s aesthetics, but it also forms a protective barrier against harsh weather conditions. In this blog, we will explore how weatherproofing with exterior paint can shield your home from the elements and prolong its lifespan.

Exterior Paint

Commercial Roofing

Commercial Roofing Solutions: Maximizing Value

Commercial Roofing

For businesses, the roof is not just a structural component but a critical investment that protects their assets, employees, and operations. As a business owner, finding cost-effective roofing solutions without sacrificing quality is essential. In this blog, we will explore budget-friendly commercial roofing options that allow you to maximize value while ensuring the longevity and performance of your roof.

Commercial Roofing

Gutters

The Value of High-Quality Gutter Installation

Gutters

When it comes to safeguarding your home, one essential component often overlooked is a high-quality gutter system. Proper gutter installation plays a crucial role in protecting your home’s foundation, walls, and landscaping from water damage. In this article, we will explore the value of investing in high-quality gutter installation and how it can benefit your home’s long-term protection.

Gutters

Commercial, Windows

Create a Welcoming Workplace With Commercial Windows

Commercial, Windows

A welcoming workplace environment is vital for employee satisfaction and productivity. One often overlooked element in creating such an environment is the role of commercial windows. These windows not only provide natural light and ventilation but also have a significant impact on the overall ambiance and comfort of the workspace. In this article, we will explore how commercial windows can improve employee satisfaction and contribute to a positive work atmosphere.

Commercial, Windows

Exterior Paint

Long-Lasting Paint Tips: Los Angeles & Orange County

Exterior Paint

Southern California experiences a unique climate that can have a significant impact on the longevity and appearance of exterior paint. With its warm and sunny weather, occasional rainfall, and exposure to elements like sun, wind, and humidity, proper considerations and techniques are essential for achieving long-lasting results with exterior painting. In this article, we will explore some important tips to help you navigate SoCal’s climate and ensure your exterior paint withstands the test of time.

Exterior Paint

Windows

Noise Reduction Benefits of Vinyl Replacement Windows

Windows

When it comes to enhancing the comfort and tranquility of your home, noise reduction plays a vital role. Unwanted outside noise can disrupt your peace and affect your overall well-being. Fortunately, vinyl replacement windows offer an effective solution for reducing noise infiltration. In this article, we’ll explore the benefits of vinyl replacement windows, specifically in terms of noise reduction, allowing you to create a more serene and peaceful living environment.

Windows

Commercial Roofing

How Commercial Roofing Differs From Residential

Commercial Roofing

When it comes to roofing, there are some key differences between commercial and residential properties that property owners should be aware of. In this article, we’ll explore how commercial roofing differs from residential roofing and discuss some key considerations for property owners.

Commercial Roofing

Gutters

How Gutter Guards Can Save You Time and Money

Gutters

Gutters play a crucial role in protecting your home from water damage by directing rainwater away from your foundation. However, gutters can become clogged with debris such as leaves, twigs, and dirt, leading to water overflow and potential damage to your home. Gutter guards are a solution to this problem, as they prevent debris from entering your gutters while allowing water to flow freely. In this article, we’ll discuss how gutter guards can save you time and money and provide a guide to installation and maintenance.

Gutters

Residential Roofing, Commercial Roofing

Roof Repair vs. Replacement: When It’s Time For a New Roof

Residential Roofing, Commercial Roofing

Your roof is an essential aspect of your home’s structure, protecting you and your family from the elements. However, over time, roofs can experience damage and wear and tear, leading to the need for repairs or replacement. In this article, we’ll discuss when it’s time to repair your roof versus when it’s time to replace it.

Residential Roofing, Commercial Roofing

Exterior Paint

Transform Your Home’s Curb Appeal With Exterior Paint

Exterior Paint

Exterior paint is an essential aspect of home renovation and can add curb appeal to any property. A fresh coat of paint can help protect your home from the elements, increase its value, and transform its overall appearance. However, choosing the right exterior paint and finish can be daunting. In this article, we’ll provide tips and tricks for choosing the right exterior paint and finish for your home.

Exterior Paint

Windows, Energy Efficiency

Top 5 Benefits to Window Replacement

Windows, Energy Efficiency

Windows play a crucial role in the overall efficiency and aesthetics of your home. Not only do they allow natural light to enter your home, but they also help to keep the elements out. Over time, however, windows can become worn out and damaged, leading to a decrease in efficiency and an unsightly appearance. In this article, we’ll discuss the benefits of window replacement and why it may be time for you to upgrade your windows.

Windows, Energy Efficiency

Residential Roofing

Top 10 Signs You Need a Roof Replacement: Don’t Wait Until It’s Too Late!

Residential Roofing

Your roof is one of the most important aspects of your home. It not only adds to the aesthetic value of your property, but it also provides protection from the elements. Over time, however, your roof may need repairs or even a complete replacement. In this article, we’ll discuss 10 signs that indicate it’s time for a roof repair or replacement.

Residential Roofing

Exterior Paint

How to Choose the Right Exterior House Paint

Exterior Paint

Your home’s exterior is the first thing people see when they drive by or come to visit, so it’s important to make sure it looks its best. One of the easiest and most effective ways to improve your home’s curb appeal is by giving it a fresh coat of paint. But with so many colors, finishes, and brands to choose from, it can be overwhelming to decide on the right paint for your home.

One of the first things to consider when choosing exterior paint is the type of surface you’ll be painting. Different types of paint are designed for different surfaces, such as wood, stucco, brick, or metal. Make sure to select a paint that is specifically formulated for the surface of your home.

Exterior Paint

Windows

Boosting Energy Efficiency With Vinyl Replacement Windows

Windows

Vinyl replacement windows are a popular choice for homeowners looking to improve the energy efficiency of their homes. Not only do they offer a cost-effective solution, but they also require little maintenance and are available in a variety of styles and colors to match any home’s design.

Windows

Exterior Paint

10 Things to Know Before an Exterior Home Painting

Exterior Paint

If you want to boost the appeal and aesthetic of your house and simultaneously make it more valuable, then an exterior home painting is just what the doctor ordered! In addition to jazzing things up on the outside, it will also protect your home from harmful elements such as rain, wind, mildew, and mold. By getting an exterior home painting done you’ll also be able to enhance its resale value in case you consider selling your house in the future. While all of this may sound lovely and whip you into renovation mode, let’s go over some 10 important things to consider and do before you get an exterior home painting.

Exterior Paint

Residential Roofing

5 Best Roofing Options in Southern California

Residential Roofing

It can be tough and time-consuming when it comes to choosing the best roofing option that works best for your house. And along with all the research you do and the information you gather, you must also consider the best roofing options that work best for the southern California climate. A lot of the information can be quite overwhelming and stressful, but fear no more as this article will break down the 5 best roofing options to consider for your house.

Residential Roofing

Gutters

5 Tips to Maintain Gutters and Avoid Overflowing

Gutters

Many homeowners do not look forward to cleaning their home’s roofs, skylights, gardens, bathrooms and even their gutters. In order to enjoy your household and living space with all your inhabitants, it’s crucial to check and maintain the gutters of your house to prevent overflowing and other problems that may arise when neglected. The role of gutters is actually quite simple: draining water from rain away from your home to maintain a clean and debris-free surface on your roof! Let’s break down 5 simple tips on how to maintain gutters and avoid overflowing.

Gutters

Residential Roofing

What to Look For in a Roofing Company

Residential Roofing

“I have a roof above my head” is commonly used among people to describe their life situation of feeling content. All you need is a small space, warm water, some clean sheets and alas-a roof to keep you safe from all hazards. While we’re all for minimalism and do promote the art of gratefulness in today’s times, it’s still very much important to consider various aspects when it comes to building a strong and sturdy roof to protect you from weather conditions and possible damage to the residents.

Residential Roofing

Skylights

How to Keep Your Skylight Clean & Maintain its Functionality

Skylights

When the springtime comes and brightens up your dark soul making you feel alive and clean, it also reminds you that your home is in dear need of a fresh new start. Last winter’s snow with pollen coating every outside surface forces you to put exterior home cleaning on your spring cleaning to-do list!

One question you may ask is “How the heck do I clean and maintain my skylight?” and we’re here to share the practical tips to keep things squeaky clean and reduce the time of maintenance.

Skylights

Residential Roofing

Why It’s Important to Know The Age of Your Roof

Residential Roofing

One thinks of many things when it comes to the term roof! In modern day language many Americans and English speakers in general often refer to a roof as an object that keeps you safe from above. Literally speaking, a roof does play a major role when ensuring a safe and secure house that will keep you dry, warm and secure. But in order to ensure absolute effectiveness and keep you safe from any kind of weather, one must make sure a roof is in good condition. With that said, let’s dig a bit deeper into understanding the importance of the age of your roof!

Residential Roofing

Windows

How Replacement Windows Differ From New Construction Windows

Windows

Not a lot of people know the difference between replacement windows and new construction windows, and it may be very helpful to know when researching the remodel of your window installation.

Replacement windows are made to replace old windows in your home. They are meant to be installed in the existing window frame from inside of the home. They are custom-made to fit any existing window opening, so no extra construction is needed.

Windows

Energy Efficiency, Insulation, Exterior Paint, Residential Roofing

Energy-Efficient Home Upgrades That Will Save You Money

Energy Efficiency, Insulation, Exterior Paint, Residential Roofing

Improving your home’s energy efficiency and doing something to help the environment is a win-win situation. When thinking about how to be more energy-efficient grand ventures such as solar panels and electric cars may come to mind. But did you know ways to use energy more efficiently can be as simple as replacing windows and changing light bulbs? GreenCal Construction offers a variety of services to make your home more energy-efficient from new windows, to roofs to paint. Keep reading to find out how to help your home go green and how to save money on your energy bills.

Energy Efficiency, Insulation, Exterior Paint, Residential Roofing

Commercial Roofing, Windows, Exterior Paint, Doors, Insulation

How to Make Your Business More Energy Efficient

Commercial Roofing, Windows, Exterior Paint, Doors, Insulation

A lot of people tend to ask the question: what’s the whole big deal about energy efficiency, especially when it comes to businesses? The answer is quite simple – according to ENERGY STAR, energy efficiency is the use of less energy to get the same task done. The benefits? You save money on your energy bills and you do a little good for the environment.

According to the EPA’S ENERGY STAR program, small businesses within the U.S. collectively spend an astonishing $60 billion on energy each year. These costs can be cut down to 10-30 percent without any damage to work progress. It’s a complete win-win. You contribute to saving your business and the planet at the same time.

Commercial Roofing, Windows, Exterior Paint, Doors, Insulation

Exterior Paint

Can You Use Exterior Paint Inside Your Home?

Exterior Paint

You wrapped up a home improvement project last year where the outside of your house was painted. Not wanting the leftover paint to go to waste you decide to do some touch ups on the inside of your house. However, exterior paint in your home poses a risk to you and your family. Interior and exterior paint have different qualities and chemical makeups that make them specially formulated for the indoors or outdoors.

Whether you’re ready to paint the inside or outside of your house, GreenCal Construction has the experience to get it done right the first time. We can even assist with helping you find what color will look best on your home. Keep reading to gain more knowledge about interior and exterior paints and why each can only be used in the appropriate areas.

Exterior Paint

Windows

Do I Need Double-Paned Windows?

Windows

When redoing elements of your house it’s important to feel everything being replaced is high quality, energy efficient and aesthetically pleasing. When it comes to single pane and double pane windows, the double pane window is a better option for your home for many reasons beyond energy efficiency. GreenCal construction is happy to walk you through the benefits of double pane windows. With years of experience in the industry your replacement windows will be installed with professionalism that delivers high quality results. Keep reading to learn all the benefits that double pane windows offer.

Windows

Roofing Services:

Residential Roofing

Roof Repair

Commercial Roofing

Asphalt Composition Shingle Roofing

Tile Roofing

Metal Roofing

Energy Shingles

Exterior Services:

Solar Panels

Exterior Painting & TexCote