
Chino Hills Sunrooms and Patios designs and builds custom sunrooms, patio enclosures, and four season rooms for homeowners across Chino Hills and the surrounding Inland Empire. We handle permits, HOA submissions, and everything in between.

Chino Hills Sunrooms and Patios is a licensed sunroom contractor company based in Chino Hills, CA, offering 16 distinct sunroom and patio services across 12 communities in the Inland Empire and surrounding areas. Whether you want a simple screen room to keep the bugs out or a fully climate-controlled four season room you can use in August, we have built it before and we know what it takes to get it permitted and built right in this city.

Your patio sitting empty all summer? A sunroom addition gives you a livable, light-filled room you can use year-round.
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Usable on a 98-degree afternoon or a January evening - a four season sunroom connects to your HVAC and stays comfortable all year.
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Want the outdoor feel without the heat and bugs? A three season sunroom works beautifully for most of the California year.
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Turn your existing patio into a protected room with walls, glass panels, and a proper roof - without a full addition price tag.
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Every detail designed around your lot, your roofline, and how your family lives - not pulled from a catalog.
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Foundation, framing, glass, and finishing - complete sunroom construction managed from permit to final inspection.
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Existing sunroom drafty, leaking, or outdated? We bring it back to life with modern glass and a proper seal.
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A screened room keeps bugs out and evening breezes in - the most affordable way to enjoy your Chino Hills backyard.
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Already have a patio slab? We enclose it with proper walls, glass, and a roof so it becomes a real room.
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A raised deck can become a fully enclosed living space with the right structure and engineering - no demo required.
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Climate-controlled, fully sealed, and usable in every season - an all season room adds real living space to your home.
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A glass-walled enclosed patio room brings the outdoor feel inside - perfect for dining, plants, or a casual sitting area.
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Floor-to-ceiling glass and a dramatic glass roof - a solarium fills your home with natural light like nothing else.
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Shade your patio without enclosing it - a solid patio cover blocks the harshest Inland Empire sun at a fraction of the cost.
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Start with a design that fits your home before committing to construction - we help you get the layout and materials right.
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Low-maintenance, weather-resistant vinyl frames hold up to Inland Empire heat and UV without painting or rotting.
Learn MoreReach out by phone or through our contact form. We will respond within 1 business day to ask a few quick questions - what you want to build, roughly what size, and whether your neighborhood has an HOA. No obligation, no pressure. Just a straightforward conversation to see if we are a good fit.
We come to your home, measure the space, check your existing structure, and look at your lot conditions - including any slope or soil concerns common to Chino Hills properties. Within about a week, you get a written proposal with a clear scope and a fixed price. Ask every question you have at this visit.
We handle the city permit application and HOA submission on your behalf. Once approvals are in hand, construction begins. We manage every phase - foundation, framing, glass installation, electrical, and finishing - and walk you through the completed room before we consider the job done.
We carry a current California contractor license and full liability insurance on every project. Before work begins, we are happy to provide proof of both. You should never let a contractor work on your home without verifying this.
We come to your home, measure the space, look at your lot, and give you a written estimate before you commit to anything. No phone quotes, no bait-and-switch pricing, no obligation to move forward.
We are a locally owned business that has been serving Chino Hills and surrounding communities since 2016. We know the local permit office, the common HOA requirements in this city, and the soil and terrain challenges specific to Inland Empire lots.
We pull every permit required for your project and manage the full inspection process. You get a room that is documented, code-compliant, and a real asset - not a liability - when you sell your home.
Ready to talk? Call (909) 479-6375 or send us a message.
"They finished our sunroom addition on time and handled all the HOA paperwork without us having to chase anyone down. The room looks like it has always been part of the house - same roofline, same exterior trim. We use it every morning for coffee and have all summer."
David R., Chino Hills - Sunroom additions
"We had a covered patio that was just baking in the sun from June through October. They enclosed it into a four season room with low-e glass and a ceiling fan, and now it is the room we spend the most time in. The permit process took a few weeks but they handled everything."
Maria T., Diamond Bar - Four season sunrooms
"I was nervous about the cost going over budget, but they gave me a written price before starting and the final bill matched it. The patio enclosure is solid - no drafts, no leaks after the last rain. The city inspector signed off without any corrections."
James K., Chino - Patio enclosures
We respond within 1 business day. There is no obligation to move forward after submitting - just a conversation. After you send your message, someone from our office will call to schedule a free on-site estimate at a time that works for you.
(909) 479-6375Chino Hills Sunrooms and Patios serves homeowners in Chino Hills and across 12 communities in San Bernardino and Los Angeles counties, including Chino, Diamond Bar, Ontario, and Rancho Cucamonga. We aim to respond to all new inquiries within 1 business day and can typically schedule a free on-site estimate the same week you reach out.
Yes - more than almost any other decision. Low-e insulated glass reflects heat back out while still letting light in, which keeps a sunroom usable on 100-degree Inland Empire days. Single-pane glass turns the room into an oven by mid-morning in July.
Chino Hills winters are mild enough that a three season room works most of the year. A four season room connected to your HVAC makes sense if you want to use the space in heat waves or want consistent temperature control. The glass quality matters more than the season rating.
An unpermitted addition can stall or kill a home sale in California and may require costly correction before a buyer's lender will approve the loan. The permit process also ensures the structure is earthquake-safe - a real concern in the Chino Hills area. The short-term savings are not worth the long-term risk.
Santa Ana events can gust past 60 mph across the Inland Empire. A properly anchored, permitted sunroom is designed to handle lateral forces - but a poorly built or unpermitted structure may not be. Ask your contractor specifically how the roof and wall connections handle high-wind conditions. The National Weather Service provides wind advisories for the region at weather.gov.
If your patio already has a solid concrete slab in good condition, enclosing it costs less than building from scratch because the foundation work is already done. A contractor should assess the slab thickness and condition before committing - a slab that is cracked or too thin may need reinforcement that erases the cost advantage.
The Inland Empire, including Chino Hills, experiences poor air quality during wildfire season in late summer and fall. A fully sealed, glass-panel sunroom lets you enjoy your outdoor view and natural light even on smoky days when opening windows or sitting on an open patio is not comfortable. This is a practical benefit specific to this region. The{" "} South Coast Air Quality Management District at aqmd.gov tracks local air quality conditions.
The South Coast Air Quality Management District provides daily air quality reports for the Inland Empire, which is useful for planning when to open or seal your sunroom during fire season.
Chino Hills Sunrooms and Patios is a licensed and insured sunroom contractor company based in Chino Hills, CA, serving 12 communities across the Inland Empire and surrounding region since 2016. Our California contractor license is current and verifiable through the California Contractors State License Board, and we carry full liability insurance and workers compensation on every project. We have completed sunroom and patio enclosure projects across a wide range of lot types and HOA communities throughout the area. If you want to learn more about our background, read our full story on the About page.
If your patio already has a usable slab and you are not trying to heat and cool the space to the same standard as your main house, an enclosure costs less and gets done faster. It is the right call when the goal is more usable outdoor-adjacent space, not additional conditioned square footage.
Parts of Chino Hills sit on clay soils that swell and shrink with seasonal moisture changes. A sunroom on this type of soil needs a foundation designed with that movement in mind - otherwise cracks develop within a few years. A proper site assessment before construction catches this early.
In the Inland Empire, yes - without question. The U.S. Department of Energy notes that low-e coatings can reduce heat gain through glass by up to 70 percent. In a region where summers regularly exceed 95 degrees, that difference separates a sunroom you avoid in July from one you use every day.
For technical standards on window energy performance, the U.S. Department of Energy publishes detailed guidance on window types and ratings. Ready to talk about your specific project? Call (909) 479-6375 for a free estimate.
Chino Hills is a city of roughly 82,000 to 85,000 residents built across the rolling Puente Hills in San Bernardino County. Most of its homes were constructed between the late 1970s and mid-1990s, which means the housing stock is now 30 to 45 years old - old enough that exterior improvements, additions, and upgrades are a routine part of homeownership here. The city has no traditional downtown and is almost entirely residential in character, with Chino Hills State Park running along its western edge and Carbon Canyon Regional Park on the eastern side.
The terrain matters for sunroom construction. Many lots in Chino Hills are graded hillside properties with sloped backyards, tiered landscaping, and retaining walls - features that are common throughout neighborhoods near The Shoppes at Chino Hills and along Peyton Drive. The underlying clay soils expand and contract with the wet-dry cycle, which means foundations for sunrooms and patio enclosures need to account for that movement. The city also sits in a seismically active area - homeowners here are in good company when they ask about earthquake anchoring. Parts of Chino Hills are designated as Very High Fire Hazard Severity Zones by the state, which is another reason properly sealed, solid-panel enclosures appeal to homeowners here during late-summer smoke season.
Chino Hills Sunrooms and Patios has worked throughout Chino Hills across a range of HOA communities and lot types. We know the city permit office, we understand what HOA architectural review committees in this city typically require, and we know how to design for this climate. If your home is anywhere in Chino Hills, we can come out for a free on-site estimate and give you a realistic picture of what a sunroom or patio enclosure would look like for your specific property.
By appointment only, no walk-ins.
Chino Hills Sunrooms and Patios
2828 Mountain Hills Ln
Chino Hills, CA 91709
(909) 479-6375quotes@chinohillssunroomcontractor.comCall Chino Hills Sunrooms and Patios today for a free on-site estimate. We serve Chino Hills and 12 surrounding communities across the Inland Empire.