Sunroom contractor in Cypress, CA - rooms planned around how you'll use them
Viewcraft Rossmoor Sunrooms & Patios is a sunroom contractor building sunrooms, patio enclosures and patio covers for homes in Cypress, CA. I plan each room around how you'll use it, and our own crew builds it.

- Fully licensed and insured.
- Free estimates at your property.
- Expect a reply within 1 business day.
Backyards and patios across Cypress
Cypress is mostly quiet residential streets of single-family homes, a short drive from our base in Rossmoor, and the calls we get there usually come from homeowners who want more use out of the back of the house.
Most houses here have a fenced backyard with a concrete patio, an older cover or both, much like the yards we see in Garden Grove and Long Beach. Some families want a room the kids and the dog can use, others want a quiet spot for morning coffee, and a few want to fix a room someone added years ago. Because these lots are already built out, the new room usually has to fit what's there, so the slab, the roofline and the space to the fence shape the plan before glass or finishes come up.

Our services in Cypress, CA
- Patio-to-sunroom conversion
A lot of Cypress backyards already have a concrete patio off the back of the house, which is often the natural spot for a sunroom. We check whether that slab can carry walls and a roof before we plan on it, and add new footings where it can't.
- Three season sunrooms
If you mostly want a bright room for evenings and weekends without adding heating or cooling, a three season sunroom is usually the simpler build. I'll ask which months you'd really use it, because that answer decides the glass and whether it's worth going further.
- Four season sunrooms
Homeowners who want the room to work like the rest of the house usually need insulated walls, better glass and some heating or cooling. We settle those choices in the plan, since they're the hardest things to change once the room is built.
- Sunroom additions
On single-story houses, a sunroom addition off the back is often the easiest way to gain a room without opening up the rest of the house. We match the new roof to the existing roofline and take our time where the room meets the house wall, because that joint is where leaks usually start.
- Sunroom remodeling
Some Cypress homes already have a sunroom or enclosed patio added long ago that runs drafty, leaks at the seams or just doesn't get used. We sort out what's worth keeping, then replace the glass, roof panels or walls that are holding the room back.
- Patio cover installation
Older wood patio covers here often sag or show rot where they attach to the house. We build a new cover sized to your yard, and I'll tell you up front if the house side needs repair before we hang anything on it.
What Cypress backyards ask of a new sunroom
The slab most Cypress patios sit on was poured for chairs and a grill, not for walls, a roof and glass. Before we plan a room on it, I check how thick it is, where it's cracked and which way it drains, and if it can't carry the load we add footings along the edges instead of hoping it holds. On single-story houses the roofline also limits how much slope the new roof can have, so we work out how water leaves the room early, since a roof that holds water is a common complaint we hear about older patio rooms.
City guidance asks every construction project to follow, at a minimum, the practices in its Construction Runoff Guidance Manual for water running off a job site. On a sunroom job that mostly means keeping dirt, cutting dust and concrete washout out of the street and the gutter, so our crew sets up for it and cleans up as the work goes.
Get a sunroom plan and estimate for your Cypress home
Send the form or call (562) 488-9164, and we'll reply within one business day to set a time. I come out to your Cypress home myself, measure, ask how you want to use the room and write up a free estimate, with no obligation to go ahead.
Sunroom and patio room ideas
Cypress sunroom questions answered
Does a sunroom contractor based outside Cypress need a Cypress business license?
Yes, the city requires every business doing work inside Cypress to hold an active Cypress business license, wherever the business is based, and the application is due within 30 days of the first day of work in the city. Out-of-town contractors also have to renew that license before they can apply for a building permit, so it's worth asking about early, since your permit depends on it. That rule covers us too, because we're based in Rossmoor.
When does a sunroom contractor need a California contractor license?
Under state rules, anyone who contracts for work on a project that needs a building permit must hold a current, valid license from the state licensing board, and so does anyone who uses employees or takes on work worth $1,000 or more in labor and materials combined. A sunroom is well past that figure, so the contractor you hire should be licensed. We're fully licensed and insured.
Which Cypress city office handles building permits and forms for a sunroom?
The city's Building Division handles them, and you can reach Building Division Services at (714) 229-6730. Its forms and applications page includes a requirements sheet for adding a single-story room addition or patio cover, which is the one to read for most sunrooms and covers. The city only issues building permits to contractors with a valid business license, which is why that license comes first.
How do I know if my sunroom in Cypress needs a permit?
The surest way is to have your plan checked against your address before anything is built. We check which office covers your address, and when the work needs a permit, we take care of the application and meet the inspector. If you're adding air conditioning to a four season room, keep in mind the city's forms list names a permit for air conditioning and related mechanical equipment.
How do I find out which building code applies to a sunroom in Cypress?
The Building Division can tell you which code it's applying, and that's who I check with while we're planning your room. The Cypress City Council set a public hearing to consider adopting the 2025 California building, electrical, plumbing and fire codes with local amendments, and the notice gave January 1, 2026 as the effective date. Since the code touches framing, glass and wiring in a new room, I'd rather confirm it on paper than guess.
What affects the cost of a sunroom in Cypress?
Size, the type of room and what it sits on decide most of the price. A three season room with simpler glass costs less than a four season room with insulated walls, better glass and heating or cooling, and building on a sound existing slab costs less than adding new footings. The schedule turns mostly on how quickly the design is settled and on permit review, and my written estimate spells out each line so you can see where the money goes.




