Sunroom contractor in Alhambra, CA - more use from your back patio
Lightcraft Los Angeles Sunrooms & Patios builds sunrooms, patio enclosures and patio covers for homes in Alhambra, CA, and reworks older sunrooms whose glass, tracks and seals have worn out over the years.

What we find behind Alhambra houses
Alhambra sits in the San Gabriel Valley between South Pasadena and Monterey Park, and much of it is street after street of older single-family houses on modest lots, with apartments, condos and shops mixed in. Most of our calls here start in the back yard. It might be a concrete patio poured decades ago, an aluminum cover a past owner added, or a sunroom from another era with sliders that stopped gliding a long time ago. Families usually want a room for a second table, a spot for grandparents to sit or a place the kids can play without tracking dirt through the house.
That housing shapes the job. On an older house the new room ties into a wall and a roofline that have their own history, and it often sits on a patio poured for barbecues rather than glass walls, so I look at both before we draw anything.
Services in Alhambra, CA
Patio-to-sunroom conversion
Most back patios we see in Alhambra were poured as open slabs years ago, so a patio-to-sunroom conversion starts with checking whether that slab is level, solid and drains away from the house. If it isn't, we repair or replace the bad section before any frame goes on it.
Enclosed patio rooms
Plenty of homes here already have a patio cover that's halfway to a room, and enclosed patio rooms close in that space with glass or screen walls. We check whether the existing posts and roof can carry walls before we reuse them, because a cover built for shade wasn't always built to be closed in.
Sunroom remodeling
Older sunrooms on Alhambra houses often have panels that drag and seals that have dried out, the same wear I used to see on old aluminum patio doors. We replace the tired glass, tracks and seals and rework the frame where it needs it, so the room opens and closes the way it should.
Sunroom additions
On the modest lots here, a sunroom addition is often the simplest way to gain a real room without giving up the whole yard. We plan the footprint around the garage and the path to the back gate, and we tie the roof into the house so water runs off instead of in.
Three season sunrooms
Many families here want a bright place for meals and visitors more than a fully conditioned room, and a three season sunroom fits that use for less than an insulated room would. We talk through how you'll use it first, because a room built for the wrong use is the one people regret.
Patio cover installation
Some Alhambra homeowners aren't ready to enclose anything and just want shade over the slab they have. If you think you might close it in someday, tell me, and we'll size and anchor the cover with walls in mind so it doesn't have to come out later.
What shapes a sunroom job in Alhambra
In Alhambra, the city's Building Division issues building permits for most work on private property, and its list includes room additions, remodeling and window replacement, which covers a lot of what goes into a sunroom. That review usually sets the calendar more than the build does, and before a permit is finalized the city also checks that every subcontractor on the job holds a city business license, a step that takes about two weeks. Before you hire anyone, ask for their state contractor license and their Alhambra business license, since every contractor working in the city needs both. We're licensed and insured, we find out which office covers your address, and we handle the applications and inspections when your project needs them, with your contract saying in writing who's getting the permits.
As a sunroom contractor based in Los Angeles, CA, we do this same work across Los Angeles and nearby in El Monte, and Alhambra lots have their own habits. On many of them the only way to the back yard is a narrow driveway past the house, so we plan glass and framing deliveries around it and keep the drive clear for you. What moves the price is mostly the base, the glass and the roof you pick, and the written quote after my visit gives you your own figure.
Why Alhambra houses call for a careful start
A lot of houses here are compact, and the family has grown into them, so the room we add often turns into the dining room, the guest spot or the homework room. That's why I ask so many questions about how you'll use it. A room people sit in every evening needs insulated glass, outlets and a roof built like part of the house, while a place for weekend coffee can be lighter, and it's much easier to get that right before we build than after.
Many Alhambra homes have had work done by several owners, so the back of the house might carry an old cover, an earlier addition or a slider someone put in later. We check how those were tied into the house before we attach anything, because a joint that leaks today will leak into your new room too.
Get a free on-site sunroom estimate for your Alhambra home
We reply to every call and message within one business day to set up a visit, and there's no pressure and no obligation. I come out to your Alhambra home myself, measure, look at what the room will sit on and follow up with a written quote.
How it works when you call us about a sunroom in Alhambra
Call or send a message
Reach us at (213) 340-1547 or through the form on this page, and we'll set up a time to come out. It helps to have a rough idea of how your family wants to use the room.
I visit and check the base
I come out myself, measure, and look at the patio, slab or deck the room will sit on. We talk through how you'll use the room, because that decides the kind of room more than anything else.
Go over your written quote
After the visit I send a written quote that spells out the room, any work on the base and who's getting the permits. Take the time you need with it and ask me anything.
We handle the city permits
Once you sign, we apply with the city when the project needs a permit and book the inspections. The city's own overview, which isn't dated, gives a review time of 2 to 4 weeks for projects that need plan check, so that wait comes before our crew starts.
Our crew builds, then walkthrough
Our own crew builds the room, with a lead installer running the site. When it's done, I come back and walk through it with you, opening every panel and door.
Alhambra sunroom questions we hear
Who can pull the building permit for a sunroom in Alhambra?
A properly licensed contractor can, or a homeowner who qualifies under the state's exemption as an owner-builder. An owner-builder becomes the responsible party on the permit, and the city's owner-builder declaration says a licensed contractor holding the permit may protect you from financial risk. Owner-builders also have to provide workers' compensation for anyone working on the project, even unpaid helpers, unless they're immediate family who live in the house.
Can an unlicensed handyman build a small patio enclosure in Alhambra?
Only if the whole job is under $1,000, needs no permit and the person hires no workers. The state licensing board raised that minor-work limit from $500 to $1,000, but if either of the other two conditions fails, a license is required even under $1,000. Check all three before you hire anyone for even a small piece of the job.
How much does a sunroom cost in Alhambra?
Your price comes down to the room's size, the kind of room and the shape of what it sits on, and the written quote after my visit is the figure to go by. Repairing or replacing an old slab, choosing an insulated room over a screened or three season one, and adding electrical or a tie-in to the roof all raise it, while reusing a sound slab or cover keeps it lower. Call (213) 340-1547 to set up the visit.
How do I know if my Alhambra patio slab can hold a sunroom?
You usually can't tell from the top, so I check it in person for cracks, settling, thin edges and which way it drains. A slab poured for a patio wasn't always poured to carry walls and a roof, so if yours is tired we fix or replace it first instead of covering it up. A deck gets the same treatment, with its framing and footings checked before it carries glass.
Does Alhambra have storm water rules for adding a sunroom?
It can, because the city uses a form before it issues building or grading permits that shows whether a project has to meet Low Impact Development criteria, rules for how a property handles runoff, or submit a storm water plan. We take care of that form as part of the permit work, so you know early whether your project needs a plan.
How do I find out if a tree in my yard can come out for a sunroom in Alhambra?
Start with the city's Tree Preservation Handout, which covers protected trees, tree removal and replacement requirements. If a tree sits where the room would go, I'll point it out at the visit so you can sort it out before we settle the layout.
Call us about your Alhambra sunroom
If you're torn between a few kinds of room, a call at (213) 340-1547 or a note through our form lets me hear how you'll use it before I come out, so the visit goes straight to the options that fit.




