Seal Beach Sunrooms & PatiosSeal Beach Sunrooms & Patios

Sunroom contractor in Cypress, CA - rooms built onto the patio you already have

Seal Beach Sunrooms & Patios is a sunroom contractor working in Cypress, CA. We build sunrooms, patio enclosures and screen rooms onto the houses here, tying each room into your walls, roof and patio so it looks like it belongs.

Request a quote(562) 200-7987
White-framed sunroom addition beside a wooden deck on a brick house, with large windows and garden beds.
  • Fully licensed and insured.
  • Free estimates at your property.
  • Expect a reply within 1 business day.

About Cypress, CA

Cypress is mostly neighborhoods of single-family houses, with shopping and offices along the bigger roads. A lot of the calls we get here come from people who've lived in their house a while, have a back patio or a small deck they use a few times a year, and want a room they'd actually sit in. We're based in Seal Beach, a short drive away, and we do the same kind of work over in Lakewood.

Since almost every room we build here goes onto a house that's already standing, the job is less about the new room and more about how it meets the old walls, roof and slab.

Services in Cypress, CA

  • Patio-to-sunroom conversion

    Plenty of Cypress backyards have a concrete patio that gets used for the odd barbecue and not much else. Closing it in gives you a room right off the back door, and we build the walls and glass to match the house so it reads as part of it.

  • Deck-to-sunroom conversion

    Where a house has a raised wood deck off the back, a deck-to-sunroom conversion can turn it into a room, but only if the framing underneath can carry walls and a roof. I look at the posts and joists before I promise anything, and we add support where the deck falls short.

  • Patio cover installation

    Some owners here want shade over the patio first and a full room later, or never. We set the posts and tie the cover into the house properly, and if you think you might enclose it someday, we can plan the cover with that in mind now.

  • Four season sunrooms

    If you want a room you use like the rest of the house, with insulated walls, better glass and heating or cooling, that's a four season room. It costs more than an unheated room, and I'll lay out that trade at the visit so the choice is really yours.

  • Three season sunrooms

    For evenings outside without the bugs, a three season room keeps things simpler, with lighter walls and no heating. It's a good fit when you mostly want the patio back, just protected, and we match the frame color to your trim so it doesn't look tacked on.

  • Sunroom remodeling

    Some Cypress houses already have an older enclosure that leaks or has tired, foggy glass. We find where the water's getting in, usually the joint where the room meets the house, and fix that before we touch any of the finishes.

Working in Cypress: licenses, permits and what moves the price

Building permits in Cypress come from the city's Building Division, and the city only issues them to contractors with a valid Cypress business license. That rule covers every business doing work inside the city, wherever it's based, so a contractor coming in from Seal Beach like us has that step to clear before we can file for your permit. It's fair to ask anyone you're thinking of hiring two things, whether their Cypress business license is current and whether they hold a California contractor license. We're fully licensed and insured.

From there, I find out what the Building Division will want for your room, and we pull the permits the job calls for and set up the inspections, so you're not chasing paperwork. The price mostly turns on the size of the room, whether it's heated or not, the glass and roof you pick, and what the slab or deck needs underneath. The schedule turns more on the permit side than on the build itself. It's the same work we do in Garden Grove and Long Beach, and the written estimate puts your choices and their cost side by side.

Cypress, CA properties and local conditions

A lot of the houses we see in Cypress are single-story stucco with a concrete patio out back, sometimes under an older aluminum or wood cover that's seen better days. Adding a room means cutting into or attaching to that stucco and meeting an existing roofline, and that joint is where water gets in if it's done in a hurry. So we take our time there, flashing and sealing where the new roof meets the old wall, because once the room is finished you'll never see that work, and it's the part that matters most.

The city also expects every construction job to follow, at a minimum, its guidance for keeping runoff from a job site out of the street. On a sunroom that mostly comes down to concrete cutting, dirt from footings and washout, so we stage material and clean up as we go so none of it runs to the gutter.

Get a free on-site sunroom estimate in Cypress

We reply within one business day to set a time for me to come out to your house in Cypress. The estimate is free, done at your property and comes with no pressure and no obligation. You get it in writing after I've looked at the space with you.

What happens after you call us about a Cypress sunroom

  1. Call or send the form

    Call (562) 200-7987 or fill out the form, and we'll set a time for me to come out. We take calls from 7 AM to 11 PM, seven days a week.

  2. I visit and sketch options

    I come out myself to look at the house, the patio or deck and how you want to use the room, and I sketch the options with you right there. Afterward you get a free written estimate, so you can see what each choice costs before you decide anything.

  3. We handle permits and inspections

    We find out what the city asks for, pull the permits the job calls for and schedule the inspections. You don't need to go to City Hall or fill out forms yourself.

  4. We build, then walk through

    Our crew and I build the room, and I'm on site working alongside them. When it's done I walk the room with you and show you how to look after the seals, the glass and the roof.

Frequently asked questions

Does a contractor based outside Cypress need a Cypress business license?

Yes, every business doing work inside Cypress needs an active Cypress business license, no matter where it's located, and it has to apply within 30 days of first working in the city. Out-of-town contractors also have to renew that license before applying for a building permit, and every license expires each June 30. That's why it's worth asking your contractor early whether theirs is current.

When does a contractor need a California state license to build a sunroom?

Anyone who contracts for work on a project that needs a building permit must hold a current, valid license from the Contractors State License Board. The same goes for anyone who uses employees, or who contracts for work worth $1,000 or more in combined labor and materials, which covers just about any sunroom. We're fully licensed and insured.

How do I find the building forms for a room addition or patio cover in Cypress?

The city's Building Division keeps the building forms and applications, including a sheet on the requirements for adding a single-story room addition or patio cover, and you can reach Building Division Services at (714) 229-6730. The same list has a separate permit for air conditioning and related mechanical equipment, which matters if you plan to cool the room. City Hall is open Monday to Thursday, 7:30 a.m. to 5:30 p.m., and Fridays, 8:00 a.m. to 5:00 p.m., though we handle the permit side for our jobs.

What building codes apply to a new sunroom in Cypress?

Your plans are checked against whatever codes the city has in effect when the permit is filed. The City Council set a public hearing to consider adopting the 2025 California Building, Electrical, Plumbing and Fire Codes with amendments, and the notice gives January 1, 2026 as the effective date. We confirm with the Building Division what your plans will be reviewed under before I draw them up.

How much does a sunroom cost in Cypress, CA?

The cost of a sunroom here comes down to its size, whether it's a heated four season room or an unheated one, the glass and roof you choose, and what the slab or deck needs underneath to carry it. A screen room on a sound patio sits at the low end, and an insulated room with new footings and cooling sits at the high end. The free written estimate after my visit puts a number on your room, with each choice laid out so you can see what it adds.

How do I know if my patio slab can hold a sunroom?

You usually can't tell from the top, because what matters is how thick the slab is at the edges and what's under it. A slab poured for patio furniture wasn't always poured to carry walls and a roof. When I come out I check the edges, any cracks and the old cover posts, and if the slab won't carry the room, we add footings instead of trusting it.

Service areas

Explore the services

Seal Beach, CA

Ask about your Cypress sunroom today

Send a couple of photos of your patio or deck with the form, or call (562) 200-7987, and I'll show up already knowing what to look at.

Request a quote(562) 200-7987
(562) 200-7987Request a quote