Sunroom Contractor in Gardena, CA - Rooms Built for Compact Backyards
Long Beach Sunrooms & Patios builds sunrooms, patio enclosures and screen rooms for Gardena homeowners, turning a back patio, an old deck or a plain back wall into a room you'll actually use.

- Fully licensed and insured.
- Free in-person estimates.
- We reply within 1 business day.
About Gardena, CA
Gardena is mostly homes on regular city blocks, with busy commercial streets and pockets of light industry worked in between, and Torrance and Carson close by to the south. We're a sunroom contractor based in Long Beach, CA, and we work here the same way we do in Torrance and Carson. A lot of the houses we see are single-story, many of them older, sitting on compact lots where nobody planned for another room.
That shapes the job from the start, because a narrow side yard decides how our crew gets panels and glass to the back, and the backyard is usually the only direction a house here can grow.
Services in Gardena, CA
Patio-to-sunroom conversion
A concrete patio, covered or open, is the most common starting point we find in Gardena backyards. Our patio-to-sunroom conversion work closes that space in with walls, windows and a roof that ties into the house.
Sunroom additions
On a single-story house with no room to build up, a sunroom off the back wall is often the most practical way to add a room. We tie it into the wall and roofline so it reads as part of the house, not something bolted on.
Three season sunrooms
For a lot of Gardena homes, a three season room is the right fit, because it gives you usable space off the back without the heating and insulation work of a full addition. It's the option I point most people to first when they mainly want a bright place to sit.
Screen room installation
If you want the backyard back without walls of glass, a screen room is the lightest build you can put on a compact lot. We frame it to fit under your existing eave and keep the bugs out without crowding the yard.
Patio cover installation
Older wood patio covers on these houses often sag or pull away from the fascia, the trim board along the roof edge, over the years. We take the old one down and put up a new cover that's framed so it can be enclosed later if you decide you want a room.
Sunroom remodeling
Older sunrooms and enclosed patios here sometimes leak where they meet the house or have glass that's fogged between the panes. We fix the joint at the wall, swap tired panels and bring the room back into everyday use.
Building a sunroom in Gardena: permits, licenses and what sets the price
In Gardena, the city's Building Services issues permits for additions, remodels and alterations, and a sunroom built onto your house counts as an addition, so the permit is usually what sets the start date. Before you hire anyone, check two things: a current state contractor license and a Gardena business license, which the city requires of every contractor working here, even ones based in another city. When the job needs a permit, we pull it and handle the paperwork with the city, so you're not the one going back and forth.
Price mostly follows the size of the room, the roof and glass you pick, and whether your slab or deck can carry walls as it is, while the schedule follows the permit and how much prep the base needs. Gardena sits right off the 405 and the 110, so getting our crew and materials up from Long Beach is a short run, the same as it is for jobs in Compton. You'll see your own figure in the written estimate after I've been out to the house.
Gardena, CA properties and local conditions
In the northeast part of Gardena, near El Segundo Boulevard and Vermont Avenue, an earlier city general plan shows a state-mapped active earthquake fault zone. Where a property sits inside a state hazard zone, the state has found that weak soil or rock is likely underneath, and it can fail in an earthquake and damage a structure unless the right precautions go into grading and construction. That matters for a room with a glass roof tied to your house, so I ask about it at the first visit, and the footings and the connection to the house get designed with it in mind before plans go to the city.
Most houses we work on here are single-story with a low eave at the back, which leaves little height for a sunroom roof to slope away from the house. We use a roof system made for that low pitch and flash it carefully into your existing roof, because that seam is where older add-ons here usually leak.
Get a free written sunroom estimate for your Gardena home
We reply within one business day, the estimate is free, and there's no pressure and no obligation. Once you send this, we set a time, I come out to your Gardena house myself, and you get a written estimate after we've gone over the choices together.
How it goes when you call us about a sunroom in Gardena
Call or send a request
Call (562) 200-7450 or use the form, and tell us what's out back now and what you want the room for. We set a time for me to come out to the house.
I measure and walk through choices
I measure, look at the base and the back wall the room will join, and we settle the big choices right there. Then you get a written estimate, so you know exactly what you're buying before you commit to anything.
We handle the city permit
When the job needs a permit, we pull it and handle the paperwork with the city. Its quick over-the-counter permits, like fences and water heaters, usually turn around in three business days, but a sunroom goes in with plans, so I'll tell you the timing once they're submitted.
Our crew builds the room
Our crew lead and installers build the room we talked about, and I check in as the job goes. You don't need to be home every day, just reachable if a question comes up.
Frequently asked questions
Do I need a permit to add a sunroom in Gardena?
Usually yes, because the city permits additions, remodels and alterations, and a sunroom joined to your house is an addition. The city's list of common exceptions covers things like painting, driveways and low decks that aren't attached to the house, not rooms built onto it. When a permit is needed, we pull it and do the paperwork.
How do I check that a sunroom contractor is licensed in California?
Ask for the contractor's state license number before you sign, because the Contractors State License Board requires a current, valid license for any job that needs a building permit, uses employees, or runs $1,000 or more in combined labor and materials. A sunroom job lands well inside that rule. We're fully licensed and insured, and I'm glad to go over it at the estimate.
How large a down payment can a sunroom contractor ask for in California?
Under the state contractor board's rule, a down payment can't be more than $1,000 or 10 percent of the total contract price, whichever is less. After that, payments are listed in the contract and tied to work completed or materials delivered. If someone wants a big check up front, take that as your sign to keep looking.
How much does a sunroom cost in Gardena?
A Gardena sunroom's price comes down to four things: the size, the roof and glass, what it sits on, and what has to come out first. A screened or three season room costs less than a fully insulated four season room, and an old patio cover to tear down, a slab that needs a new footing, or added lights and outlets all push it up. I don't give a number until I've measured, because your written estimate should match the room we'll actually build.
How do I turn my patio into a sunroom in Gardena?
Start with the slab, because a sunroom needs a base that can carry walls, glass and a roof, and a lot of older patio slabs were poured only to walk on. I check its thickness and edges at the visit, and if it's sound we build on it, and if it isn't we add a footing where the walls will land. From there it's the tie-in at your back wall, the permit and the build.
What happens if sunroom work starts before the permit in Gardena?
The city quadruples the permit fees when permit-required work starts before the permit is obtained. On top of the cost, you can end up opening finished work so an inspector can see it. That's why our crew waits for the permit before building.
Service areas
Long Beach, CA
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Torrance, CA
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Downey, CA
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Carson, CA
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Paramount, CA
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Lakewood, CA
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Lynwood, CA
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Bellflower, CA
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Compton, CA
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Signal Hill, CA
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Lomita, CA
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Explore the services
Sunroom additions
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Four season sunrooms
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Three season sunrooms
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Patio enclosures
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Custom sunrooms
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Sunroom construction
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Sunroom remodeling
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Screen room installation
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Patio-to-sunroom conversion
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Deck-to-sunroom conversion
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All season rooms
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Enclosed patio rooms
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Solarium installation
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Patio cover installation
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Sunroom design
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Vinyl sunrooms
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Long Beach, CA
Tell us about your Gardena sunroom
A quick note on what's out back now, a slab, a deck or a bare wall, lets me bring the right options and your permit questions to the first visit.




