Seal Beach Sunrooms & PatiosSeal Beach Sunrooms & Patios

Custom sunrooms in Seal Beach CA - a room built around how you'll use it

Have a patio or deck that sits empty most days? We build a sunroom that fits your house and how you'll use it.

Two-story custom sunroom with white-framed glass walls, warmly lit interiors and timber supports, shown at dusk.
  • Fully licensed and insured.
  • Free estimates at your property.
  • Expect a reply within 1 business day.

What goes into a custom sunroom in Seal Beach?

A custom sunroom in Seal Beach is an enclosed room we add onto your house and set up for how you'll use it. It can be a three season room with screens or uninsulated windows, or a four season room that's heated and cooled. At the heated end it's really the same thing as a room addition, with a lot more glass.

Most people who call have a patio or deck that gets used a few weekends a year and want a room they'll actually sit in, sometimes by enclosing what's already there with a patio-to-sunroom conversion. The price mostly moves with the size, whether the room needs its own foundation or a reinforced deck, and whether it's heated and cooled, since a heated room carries more requirements. The schedule turns on what the city and any coastal review ask for, and on a deck it also waits on an engineer's check. I'll put your own figures on a written estimate once I've seen the house.

How we build a custom sunroom

Custom means we start from how you'll use the room and work out from there. I ask what you picture doing in it, and that tells us whether screens, a three season room or full heating and cooling makes sense, because there's no point paying to heat a room you'll only use on warm evenings. On aluminum frames we talk through the finish, since a wide color choice and a finish that holds up by the coast pull in different directions. Powder coating comes in almost any color and texture, but if it gets chipped, moisture can creep under it and start it peeling, while a thick anodized layer protects the metal for a long time with fewer looks to choose from. Close to the water, I'd give durability the bigger vote. Then we build in the order that matters. The footings or deck reinforcement go in first, then the frame, then the part I watch hardest, where the new roof and walls tie into your house and every joint gets sealed. The glass or screens go in last, and we clean up before we leave.

If your design is already settled and you just need it built, our sunroom construction work covers the build from the ground up. If you've got an older sunroom that leaks or never gets used, sunroom remodeling is usually where we'd start instead of tearing it out.

  • Screened room

    This suits you if you mostly want shade and fewer bugs on warm days and evenings. It's the simplest way to make a patio usable, and it keeps the open-air feel.

  • Three season room

    This suits you if you want glass to block wind and damp but don't need the room comfortable on the coldest or hottest days. Leaving out heating and cooling keeps the job simpler than a full addition.

  • Four season room

    This suits you if you want a room you'll use every day of the year, open to the house. It's heated and cooled like the rest of your home, so it's built and approved much like a room addition.

Custom sunroom approvals in Seal Beach

The city's code says that even work exempt from its permit requirements still needs any approvals other city departments and state and federal agencies require, so the building permit isn't always the only sign-off on a sunroom here. On the coastal side, a California Coastal Commission report on one Seal Beach project reviewed it under the state's coastal law, because the city doesn't have a certified local coastal plan of its own. Which approvals your room needs depends on the house and where it sits, and I won't guess from here. We find out what the city and any coastal review will ask for, pull the permits the job calls for and set up the inspections, so you're not chasing paperwork.

Most houses we add onto around here have stucco walls and an older concrete patio or wood deck, and the salt air is hard on metal, which is why that finish talk matters as much as the room type. We see the same stucco and the same tired patios on jobs in Huntington Beach and Long Beach.

Why Seal Beach homeowners call Seal Beach Sunrooms & Patios for a custom sunroom

  • The owner measures and builds

    I come out myself to look at the job and give the estimate, and I work alongside our crew on the build. The person who sketched your room is there when it meets your wall.

  • Six years adding onto homes

    We've been in business since 2020, and I came to it from framing new houses, which taught me that adding onto a lived-in house is its own job. That's why I look hard at your walls and slab before anything gets built.

  • Fully licensed and insured contractor

    We're fully licensed and insured for the sunroom work we take on. That matters on a room that ties into your house, because it's your walls and roof we're opening up.

  • Time to understand before signing

    I'd rather you understand the choice between a heated and an unheated room before you sign than after, so I go through the estimate with you. California also gives homeowners 65 and older five business days, instead of three, to cancel a home improvement contract.

When you're ready, send us a few details or call (562) 200-7987 and we'll set a time for me to come out.

Request a quote

Get a free on-site estimate for your custom sunroom

Send the form and we'll reply within one business day to set a time. I come out to your house, sketch the options with you there, and you get a free written estimate with no obligation to go ahead.

What happens after you call about a custom sunroom?

  1. Call or send the form

    Call (562) 200-7987 or use the form, and we'll set a time for me to come see the house. Our hours run 7 AM to 11 PM, seven days a week.

  2. I look 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. Have any deck details handy, since what's under it can change the plan.

  3. You get a written estimate

    You get a written estimate for the room we settled on, so you see the cost before you commit to anything. Once you go ahead, we take care of the permits the job calls for.

  4. We build, then walk through

    Our crew and I build it, and when it's done I walk the room with you and show you how to look after it. One sunroom maker's guide suggests checking the roof and gutters once a year, and I'll show you what to look for.

Frequently asked questions

What is the difference between a three season and a four season sunroom?

A three season room has no heating or cooling, while a four season room is heated and cooled and usually open to the rest of the house. National sunroom trade group guidance says a room without heating or cooling is exempt from insulation and air leakage requirements, while one open to the home meets the same requirements as any addition. So the four season room carries more work and more cost.

How much does a custom sunroom cost in Seal Beach?

A sunroom in Orange County usually costs about $20,000 to $120,000 per job. Larger rooms that need a foundation and have heating and air conditioning sit at the high end, and smaller rooms without those land lower. That's the area's usual range, not our price, so your written estimate is where you'll see your own number.

How do I know if my deck can hold a sunroom?

Most decks need added beams, posts or footings before they can carry a sunroom's extra weight. The national trade group's guidance is to plan on a local structural engineer checking whether your deck is suitable. I look at the deck on my first visit, and we build to what the engineer finds.

Who can legally build a sunroom in California?

A licensed contractor, because California's exemption for unlicensed work only covers jobs up to $1,000. The state license board says even that applies only when the work can't require a permit and the person doing it employs no one, so a custom sunroom is well past it.

How do I compare sunroom quotes when contractors call the room different things?

Ask each contractor whether the room in the quote will be heated and cooled, because the name alone doesn't settle it. Conservatories and solariums generally mean fully enclosed, heated and cooled rooms, while an enclosed patio generally means an unheated space, so two quotes with different names can be for very different rooms.

What lights and outlets does a sunroom need?

In the national trade group's summary, a sunroom short of a full room addition needs only an outside light with a switch at each door to the outside. Interior lights, ceiling fans and outlets are optional, and each needs GFCI protection, the same shock guard your bathroom outlets have. We sort out which ones you want when we sketch the room.

  • Sunroom construction

    When you know the room you want and need a crew to build it from the footings up.

  • Sunroom remodeling

    For an existing sunroom that leaks, runs hot or sits unused and is worth reworking rather than replacing.

Seal Beach, CA

Start planning your custom sunroom today

Call (562) 200-7987 or use the form, and have photos of your patio or deck and a rough idea of the room you want so the first visit gets further.

(562) 200-7987Request a quote