
Chino Hills Sunrooms and Patios serves Corona homeowners with patio-to-sunroom conversions, all season rooms, and custom sunroom additions. Since 2016, we have managed Riverside County and City of Corona permits on every project, working across neighborhoods near the 91 freeway and throughout the hills above the city.

Most Corona homes from the 1980s and 1990s have a covered concrete patio at the back of the house - already built, already attached, just exposed to the heat. A patio-to-sunroom conversion uses that existing slab and patio framing as the foundation for a fully enclosed room, which costs less than building a new addition from scratch while adding usable square footage to the home.
Corona summers regularly exceed 100 degrees Fahrenheit, and an outdoor patio becomes unusable for months. A fully conditioned all season room with insulated glass and a mini-split stays comfortable through the heat and through the mild but real winter nights, giving families a room they actually use year-round instead of just in spring and fall.
Many Corona neighborhoods have active HOAs with architectural review requirements for exterior additions. A custom sunroom designed to match the existing roofline, stucco color, and trim profile has a much easier path through HOA approval than a catalog kit room that stands out from the surrounding homes.
Corona's location between the Santa Ana Mountains and the Riverside County flatlands means many homes have views worth capturing. A four season sunroom with low-e glass and a climate control system turns an underused corner of the house into a bright, comfortable room that takes in those views without bringing in the summer heat.
Corona grew rapidly in the 1980s and 1990s through large planned subdivisions, and many of those homes have floor plans that no longer match how families live. A sunroom addition expands the usable footprint without the cost of a full structural remodel, and most lots in Corona's residential neighborhoods have space behind the house to work with.
Homeowners in the neighborhoods near Dos Lagos and throughout south Corona often have existing covered patios that sit unused because the afternoon sun makes them unbearable. Enclosing the structure with glass panels and adding climate control converts a dead outdoor space into a room the whole family uses without starting a full addition project.
The bulk of Corona's housing stock was built during two growth spurts: the 1980s suburban expansion and the early 2000s building boom. That puts most homes in the city between 20 and 40 years old - an age where original roofing underlayment, concrete flatwork, and exterior sealants are at or past their typical service life. For patio and sunroom work specifically, this matters because the covered patio slabs on homes from the 1980s were often poured with lighter reinforcement than what current code requires for an addition. A contractor who quotes a job in Corona without assessing the existing slab is guessing at the foundation scope, and that guess often becomes a change order after work begins.
The climate in Corona creates challenges that do not exist in coastal cities. Summer highs regularly top 100 degrees Fahrenheit, Santa Ana winds can gust past 60 miles per hour in fall and early winter, and the clay soils under many neighborhoods expand and contract with the wet and dry seasons in ways that stress concrete and foundations over time. A sunroom built in Corona needs glass specified to block solar heat gain, framing materials that handle the thermal cycling, and a foundation connection designed to move with the soil rather than fight it. Getting those decisions right at the design stage prevents the maintenance calls that come from getting them wrong.
Our crew works throughout Corona regularly, and we understand the local conditions that affect sunroom contractor work here. Permits in Corona are processed through the City of Corona Building and Safety Division, which operates separately from Riverside County's unincorporated permit process. The city has its own plan check format, and submitting a complete package the first time is the single most effective way to keep the project timeline on track.
Corona covers a wide range of terrain. The neighborhoods closest to the 91 freeway are flatter, with the more uniformly developed tract homes that went up during the 1980s and 1990s. Moving away from the freeway toward the hills, the topography gets more varied and lots tend to be larger and slightly older. Dos Lagos is a well-known landmark in south Corona, and Glen Ivy Hot Springs sits at the city's western edge near the Santa Ana Mountains - two reference points that most longtime Corona residents use to describe where they live.
We also work regularly in Yorba Linda, which borders Corona to the northwest and has similar housing conditions from the same development era. If you are in the Chino Hills area and found us while searching for contractors serving this part of the region, we cover that as well.
We respond to every inquiry within one business day. On the first call we ask about your existing patio or backyard layout, what you want the new space to do, and whether your property is in a neighborhood with an HOA. That information shapes how we prepare for the site visit.
We visit the property to assess the existing concrete, the wall the room will attach to, and any lot conditions - slope, drainage, tree roots - that affect the foundation scope. You receive a written estimate within a week. This is where we answer cost questions with real numbers and flag anything that could affect the project before you sign.
We submit to the City of Corona Building and Safety Division and track the permit through plan check. Once the permit is issued, construction typically takes 3 to 7 weeks. We coordinate site access with you and manage the job without requiring you to be on-site every day.
We schedule and pass the city's final inspection before the job is considered complete. After the inspector signs off, we walk through the finished room with you and answer any questions about operation, maintenance, or the warranty. The permit is then closed in the city's records.
We serve homeowners throughout Corona and nearby Riverside County communities. Fill out the form below and we will respond within one business day.
(909) 479-6375Corona is one of the larger cities in Riverside County, with a population of around 170,000 people and a location that straddles the border of Riverside and Orange counties just off the 91 freeway. The city grew rapidly from the 1980s through the 2000s, drawing families from Los Angeles and Orange County who wanted more space at lower prices. Most of Corona's housing stock is single-family homes on lots of 6,000 to 10,000 square feet, with stucco exteriors, tile roofs, and attached two-car garages. The median home value in the city has climbed significantly over the past decade, and most households are owner-occupied.
Corona's neighborhoods range from the older streets closer to the historic downtown to the newer subdivisions built in the hills above the freeway corridor. Dos Lagos is one of the most recognizable retail landmarks in south Corona, and the Santa Ana Mountains form the western edge of the city. We serve homeowners across all of Corona's neighborhoods. We also work regularly in Yorba Linda, which borders Corona and has similar housing stock from the same development period.
Add beautiful, light-filled living space to your home with a custom sunroom.
Learn MoreEnjoy your sunroom comfortably in every season with full climate control.
Learn MoreAffordable sunroom option ideal for spring, summer, and fall enjoyment.
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Learn MoreExpert construction from foundation to roof for your new sunroom addition.
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Learn MoreWe serve homeowners throughout Corona and surrounding Riverside County communities. Call or fill out the form today and we will be back in touch within one business day.