Sunroom Contractor in Downey - Backyard Patios Turned Into Real Rooms
Sunhaven Lynwood Sunrooms & Patios is a sunroom contractor that builds sunrooms, patio enclosures, screen rooms and patio covers on Downey homes, turning slabs, decks and back patios into rooms families actually use.
- Service area
- Downey, CA
- Call
- (424) 296-8574
Single-family homes and backyards across Downey
Downey is mostly single-family neighborhoods, with plenty of apartments and condos mixed in, and our calls there usually start in the backyard. It might be a concrete patio off the kitchen, an aging wood deck, or an old aluminum cover that's seen better days. As a sunroom contractor based in Lynwood, CA, we're a short drive away. The yards look a lot like the ones we work on in South Gate and Norwalk, and we do the same work across town in Inglewood.
On a house, the first thing I look at is what the room will sit on and how its roof will meet yours, because a slab poured for a patio table isn't always ready to carry walls and glass. On a condo or townhome, the city's permit rules work differently, which I explain in the questions below.
Our services in Downey, CA
A lot of Downey backyards already have a concrete patio off the back door, so turning it into a room is one of the calls we get most. We check whether that slab can carry walls and a roof before we plan anything on it, and we add footings where it can't.
When a family wants a new room off the back of a single-story house, our sunroom construction work covers the footings, framing, glass and roof as one job. Tying the new roof into your existing roofline is the part that decides whether the room stays dry, so we plan it before the first footing goes in.
If you want a room you'll use on summer afternoons as much as on winter evenings, a four season room with insulated walls, glass and roof is usually the right fit. It's built as an addition to the house, so we draw it to Downey's building rules from the start.
Some homeowners here mainly want shade over a patio that bakes in the afternoon sun, and a cover gets them most of the way for less than a full room. I'll tell you plainly when a cover makes more sense than walls and glass.
A screen room keeps the breeze and keeps the bugs out, which suits families who mostly want to sit outside in the evenings. We build it on the slab or deck you already have when it's sound, and it's a lighter build than a glass room.
Before anything gets built, I sit down with you and work out which kind of room fits how your household spends its time. On a smaller Downey lot, that often comes down to how much open yard you want to keep.
Every service we offer
Sunroom additions
Four season sunrooms
Three season sunrooms
Patio enclosures
Custom sunrooms
Sunroom construction
Sunroom remodeling
Screen room installation
Patio-to-sunroom conversion
Deck-to-sunroom conversion
All season rooms
Enclosed patio rooms
Solarium installation
Patio cover installation
Sunroom design
Vinyl sunrooms
How it works when you call us about a Downey sunroom
Call or send the form
Call (424) 296-8574 or fill in the form with a little about your Downey house and the space you have in mind. We'll set a time for me to come out that works with your schedule.
I come out and measure
I look at the slab or deck, take measurements and listen to how you want to use the room, so it helps if you're home. Size, what the room sits on, your glass and roof choices and the permit work are what move the price, and the written estimate spells out what's in it.
We handle drawings and permits
When the job needs a permit, we prepare the drawings, apply with the city, line up the inspections and keep you posted at each step. The schedule mostly turns on the city's plan check and on material lead times.
We build, then walk through
Our own crew builds the room, led by a lead installer, while I check in at each stage. At the end we walk through it together and I show you how to look after it.
Downey sunroom questions answered
How do I get a permit for a sunroom addition in Downey?
You get it from the city's Building and Safety Division, which issues permits for additions and remodels and also handles plan check and inspections. In the city's own wording, generally any new construction, addition, alteration or repair to an existing building needs a permit, and permits are issued at the Building counter in Downey City Hall, with applications and plans also accepted online. If your project falls at the edge of that rule, the division is the place to ask, and when we build your room we prepare the drawings and handle the application for you.
Does a contractor need a Downey business license to build a sunroom?
Yes, the City of Downey requires a business license for any business done in the city, and that includes contractors whose offices are outside Downey. A contractor pulling a permit needs a current Downey business license, which can be paid for when the permit is issued. We're based in Lynwood, so that rule covers us like anyone else, and we're licensed and insured.
Can I pull my own permit for a sunroom on my Downey house?
You can if you live in the single-family home the permit covers, because the city issues building permits to California licensed contractors or to owner-builders living in that house. Condos, townhomes, apartments and duplexes are different, and the city only issues permits for those to California licensed contractors. When you hire us, we pull the permit so you don't have to.
How long does a building permit in Downey stay valid?
A Downey permit becomes invalid if work doesn't start within 12 months of when it's issued, or if work that has started is abandoned for 180 days. That's why we plan the build around the permit, so your room goes up while the permit is still good.
What climate zone is Downey in for building a sunroom?
The city puts Downey in energy code climate zone 8, with the area north of Vista Del Rio in zone 9. These zones are separate from weather records, and they shape building rules such as roofing. The city also applies the state building code along with its own local amendments, so we draw a Downey room to the zone and the rules for your address.
What affects the cost of a sunroom in Downey?
The biggest factors are the room's size, whether your existing slab or deck can carry it or needs new footings, and whether you pick an insulated four season room or a lighter screen or three season room. Glass, roof style and how the new roof ties into your house move the price too, along with the drawings and permit work an addition takes. I'd rather you see those choices side by side, so the estimate lists what's in each one.
Get a free on-site sunroom estimate for your Downey home
Send the form or call (424) 296-8574, and we'll reply within one business day to set up a free on-site estimate at your Downey home. I come out myself to look at the space, measure and talk through your options. Once you have the written estimate, there's no pressure to book.
- Call
- (424) 296-8574
- Location
- Lynwood, CA 90262
- Hours
- Mon–Fri: 7 AM–9 PM, Sat–Sun: 6 AM–9 PM
Tell us about your Downey backyard
If you're still torn between a cover, a screen room and a full sunroom, that's a good reason to call, because sorting that out is what the visit is for.