Sunroom additions in Eastvale CA - a room planned around how you'll use it
Paying for a backyard you barely sit in? We build a sunroom addition that turns it into a room you'll use most days.
- Services
- 16
- Service areas
- 12

Book an estimate for your sunroom addition
I'll measure the spot, look at what's under it and note where the sun hits.
Request an estimateWhat goes into a sunroom addition in Eastvale?
A sunroom addition from Sunridge Eastvale Sunrooms & Patios puts a new enclosed room on your Eastvale house. It can be a heated and cooled room you use all year or a simpler room for the milder months, so the yard that's too hot or buggy by noon becomes space you actually live in.
Most people who call me have a patio or deck they hardly use, and they want a real room out there instead. The price mostly comes down to how big the room is, whether it shares your home's heating and cooling, what kind of windows go in and what the room sits on, because a new foundation or a deck that needs reinforcing adds work before the walls go up. The schedule turns on the same things, plus the permit and inspections. Your own figure comes from the estimate I do at your house once I've seen the spot.
How we build a sunroom addition
The big question is whether the room joins the house or stays its own space, so I walk through how you'll use it before we draw anything up. That one choice steers the windows, the insulation and the budget, and it's a lot cheaper to settle at the kitchen table than halfway through the build. Then I measure, check what the room will sit on and draw up a plan you can look over. Once the paperwork's sorted, our installers set the base, frame the walls and roof and set the windows, with me checking in on site as it goes up, and we clean up and walk the finished room with you.
If you picture yourself out there on a July afternoon and a January evening alike, a four season sunroom is the room to ask about. If you mostly want a shaded, bug-free spot for spring and fall, a three season sunroom is the simpler build, and I'll tell you so if it fits how you'll use the space.
Sunroom additions in Eastvale: permits and summer heat
Here in Eastvale, the city's Building Division reviews construction plans against California's construction codes, issues permits and inspects residential projects, so that's the office an addition goes through. When a job needs a permit, we put the paperwork together, submit it to the city or county office for your address and meet the inspector for the visits. If you'd like to ask something yourself, the city's building office takes permit and inspection questions at 951.703.4450. Lots in a planned residential development also follow that development's own standards, and the city's Planning Department answers zoning questions for any Eastvale property at 951-703-4460, which is worth a call before you settle on a design.
Summers here run hot and dry. Riverside and Ontario next door sit in California Climate Zone 10, where cooling usually drives the energy design and sun through the glass, especially west-facing glass, helps decide whether a design passes. One college's design guide adds that roof overhangs shade east and west windows poorly because the sun sits low at sunrise and sunset, and it suggests fewer of them where cooling matters. So I check which way your room faces before we pick a single window. We're based in Eastvale and work in the cities around it in both Riverside and San Bernardino counties, and we deal with the same afternoon heat on jobs in Jurupa Valley and Norco.
Why call us for an addition
The planner checks the build
I'm the one who comes out to look at your job, and our installers do the build with me checking in on site. The person who heard what you wanted is the one making sure it gets built that way.
Trained on crews around Eastvale
I learned the trade on a sunroom and patio crew around Eastvale, then started this business here in 2023. I know the tract homes, the backyard layouts and how hard the sun hits a west wall here.
Licensed and fully insured
We're licensed and fully insured, so you aren't left carrying the risk of work done on your property. Ask any contractor you're weighing for the same before you sign.
Straight answers before you spend
If a simpler room or a little prep work first suits you better, I'll say so at the estimate. You end up with the room you pictured, not one a sales pitch talked you into.
- Phone
- (951) 416-3048
- Hours
- Mon–Fri: 6 AM–11 PM, Sat–Sun: 7 AM–11 PM
- Location
- Ontario, CA 91761
Tell me roughly how big a room you're picturing and how you'd use it, then send a request or call (951) 416-3048.
Get a sunroom addition estimate at your house
Send the rough size you have in mind, whether the room would sit on a deck or patio, and whether you want it heated and cooled. We'll reply within one business day to set a time, then I come out to your house for the estimate. It's free, and there's no pressure to book.
- Phone
- (951) 416-3048
- Location
- Ontario, CA 91761
- Hours
- Mon–Fri: 6 AM–11 PM, Sat–Sun: 7 AM–11 PM
- Credentials
- Licensed and fully insured.
Frequently asked questions
What is the difference between a four season and a three season sunroom?
A four season room is heated and cooled and has all weather windows, while a three season room isn't and uses uninsulated windows or screens. That decides whether the room shares your home's heating and cooling or stays an unheated enclosed space, and in our summers it usually decides how many afternoons you can sit out there.
How much does a sunroom addition cost near Eastvale, CA?
A sunroom in nearby Riverside usually costs about $17,000 to $120,000 per project, and that's the area's going rate for the whole room, not our price. Larger rooms that need a foundation and have heating and air conditioning land at the higher end. Your own figure comes from the free estimate at your house.
Can a sunroom go on my existing deck?
Often it can, but an existing deck will typically need added beams, posts, footings or some mix of them to carry a sunroom's extra weight. The national sunroom trade group suggests having a local structural engineer check whether the deck is suitable before the room is designed, so that's worth settling before anyone draws a plan.
How much can a contractor ask for up front on a sunroom in California?
Under the state's contractor rules, a contractor can't ask for or take a down payment of more than $1,000 or 10 percent of the total contract price, whichever is less. After that, payments are listed in the contract and match work already done or materials delivered, so you pay as the job moves forward.
How do I keep a sunroom from getting too hot in Eastvale?
Plan for highly insulated windows and insulation in the walls, floor and roof from the start, because they make the room far more efficient and are much easier to put in while it's being built. Adding them later can often cost more, so I'd rather we settle them in the first plan than have you sweating in the room its first July.
How long does a sunroom addition take to build?
It mostly comes down to the permit review and inspections, plus any deck or foundation work the room needs before the walls go up. I'll give you a realistic picture at the estimate, once I've seen your spot and we know which kind of room you want.
Other rooms we build
Four season sunrooms
For a room tied into your home's heating and cooling that stays comfortable through August heat and winter nights.
Three season sunrooms
For a lighter, lower-cost room that keeps out bugs and wind when you mostly want it for spring and fall.




