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Serving Pomona, CA and surrounding areas. (909) 729-4969
A room that works in January and in August - fully insulated, climate-controlled, and permitted so you can use it every single day.
An all season room in Pomona is a permanent enclosed addition with insulated walls, a proper roof, and a heating and cooling system - meaning you can use it comfortably year-round, not just on mild spring days. Most projects run two to five weeks of construction after permits are approved, with permit review adding four to eight weeks before work begins.
The key difference between an all season room and a basic sunroom or screened porch is that it handles the full range of temperatures Pomona actually sees - triple-digit summers and cool January nights. If you have been looking at your unused backyard space and wondering whether it can become something functional, this is the option that gives you a room you will actually use in August.
Homeowners who are choosing between a full all season room and something lighter sometimes also consider enclosed patio rooms - a related option that converts an existing patio into livable space. Both approaches are worth comparing depending on your budget and goals.
If your outdoor space becomes a no-go zone every summer because of Pomona's intense heat, you are losing months of square footage every year. Temperatures in the eastern San Gabriel Valley regularly hit 100 degrees or higher from May through September, making an open patio genuinely uncomfortable for most of the day. An all season room gives you that space back - properly ventilated, cooled, and livable even at peak afternoon heat.
If you already have a screened porch or basic sunroom that you stop using every June because the heat becomes unbearable, the structure lacks what Pomona's climate demands. The same applies if it gets too cold on January nights when Pomona temperatures dip into the 40s. These are signs your current enclosure is missing insulation and climate control - exactly what a properly built all season room provides.
If your family has grown or you are working from home and need a dedicated space that is not a bedroom or the main living room, an all season room adds real square footage without the disruption of a full interior addition. Many Pomona homeowners use these rooms as home offices, playrooms, or casual dining spaces - uses that require year-round comfort, not just mild-weather access.
If you have an older aluminum patio cover or weathered pergola that is starting to rust, sag, or look tired, that space is already earmarked for improvement. Pomona's intense UV exposure and Santa Ana winds accelerate wear on outdoor structures. An aging enclosure is a natural starting point for upgrading to something fully enclosed and climate-controlled rather than patching what is already failing.
We design and build all season rooms from the ground up - foundation or slab work, insulated framing, low-emissivity glass panels, a proper roof system, and connection to your home's electrical and climate-control systems. Every room is permitted through the City of Pomona's Building and Safety Division, and every project includes the inspections required by California's residential building code. For homeowners who want a fully enclosed, year-round usable room, we also build enclosed patio rooms that convert an existing slab into finished livable space - a related option that suits homeowners with a concrete patio already in place.
If you are comparing room types and want something with maximum natural light and a more open feel, our four season sunrooms cover that option in detail. Both four season sunrooms and all season rooms are designed for year-round use, but they differ in wall and glazing proportions - we walk you through both during the free estimate visit so you can choose based on your layout and how you plan to use the space.
Suits homeowners who want to build on a bare backyard space or over an existing patio with a full foundation, framing, and climate-control installation.
Suits homeowners in Pomona's planned communities who need help navigating HOA architectural review before permits can be submitted.
Suits homeowners with an older, underperforming sunroom or screened porch who want to add proper insulation, new glass, and a cooling system.
Suits homeowners who need a quiet, temperature-controlled workspace separated from the main living areas of the house.
Pomona sits in the eastern San Gabriel Valley, one of the hottest inland pockets of Los Angeles County. Summer temperatures regularly reach 100 degrees or higher, which means the glass, insulation, and cooling system in your all season room have to work much harder than they would in a city closer to the coast. When comparing contractor proposals, ask specifically how the room is designed for sustained triple-digit heat. A contractor who has built in this climate will have a direct, confident answer - one who hasn't will give you a vague response about "quality materials." Homeowners in Chino Hills, CA and Upland, CA face the same heat-load demands and benefit from the same climate-specific design approach.
A significant share of Pomona's homes were built between the 1950s and 1970s, and those older structures require careful assessment before any addition is attached. Aging concrete slabs, original stucco walls, and decades-old rooflines all affect how the new room connects to the existing house. California's seismic requirements add another consideration: the attachment point between your home and the new room must be engineered to handle lateral movement during an earthquake - something Pomona's building department verifies through the permit process. Learn more about California's residential construction requirements at the California Department of Housing and Community Development.
Tell us what you have - a patio, a deck, or a bare backyard space - and what you want to create. We schedule a time to come to your home so we can look at the space in person. No quotes over the phone; the existing foundation and attachment point both affect scope and cost.
We assess the existing slab or ground condition, the roofline, and your home's exterior. After the visit, we prepare a written proposal with a detailed price breakdown, the glass and framing system being used, and how the room will be heated and cooled. Take your time reviewing it - no pressure to sign immediately.
Once you sign the contract, we submit permit applications to Pomona's Building and Safety Division. Plan review typically runs four to eight weeks. We manage the process and keep you updated throughout - especially during this waiting period, which can feel like a black hole without communication.
Construction begins with foundation or slab prep, then framing, glass installation, and mechanical connections. City inspectors verify the work at key stages. We do a final walkthrough with you, explain how to operate any new systems, and close out the project only after the final inspection sign-off is in hand.
Free on-site estimate. No pressure. We handle permits from start to finish.
(909) 729-4969We build specifically for the eastern San Gabriel Valley's climate - not a generic inland California template. Every all season room we install uses thermally broken framing and low-e glass rated for the heat loads Pomona actually sees. That means the room stays comfortable in August without running the AC nonstop.
We handle the permit application, communicate with Pomona's Building and Safety Division throughout the review period, and schedule every required inspection. You never have to track down a city inspector or wonder where your permit stands. The project is not done until the final sign-off is in hand.
We inspect your foundation, roofline, and attachment point before quoting - not after work begins. Pomona's older housing stock means surprises are common, and a contractor who finds them mid-project passes the cost to you. We find them during planning so the price we quote is the price you pay.
Our license is verifiable on the California Contractors State License Board website. A current CSLB license means we carry the insurance required to protect you if anything goes wrong, and it means we are legally authorized to pull permits in Pomona. You can confirm any contractor's license at cslb.ca.gov.
Taken together, these proof points reflect a single standard: do the job right the first time so the room serves your family for decades. Call us or submit your details online and we will come take a look at your space.
Convert your existing patio into a fully enclosed, permitted room without starting from scratch on the foundation.
Learn MoreA glass-forward alternative to an all season room - designed for maximum natural light while maintaining year-round comfort.
Learn MorePermit timelines in Pomona mean the earlier you get started, the sooner your room is ready - reach out today for a free on-site estimate.