Fountain Valley Sunrooms & PatiosFountain Valley Sunrooms & Patios

All season rooms in Fountain Valley, CA - a sunroom that feels like part of the house

If your patio or sunroom sits empty when it's hot or cool out, we'll build a room you can use every month of the year.

A glass-walled sunroom addition glows at sunset beside a waterfront, with white frames, furnished seating and a flower garden.
  • Fully licensed and insured.
  • Free on-site estimates.
  • Expect a reply within 1 business day.

Is an all season room the right sunroom for your Fountain Valley home?

An all season room in Fountain Valley, CA is a sunroom that's insulated and heated and cooled like the rest of your house, so it becomes a room you use every month instead of a porch you visit in spring.

Most people who call us have a patio or an older sunroom that's pleasant a few months a year and wasted the rest, and they want a real room without building more than they need. We're based in Fountain Valley and do this work in many cities around it across Orange County. The price mostly turns on the size of the room, whether it needs a new foundation, how the heating and cooling tie in and how much glass you want. The schedule turns on the city's permit review and whether a foundation has to go in first. When a room needs a permit, we prepare the plans, file them with the city and meet the inspector. If all you really want is shade and a break from the wind, a patio cover may serve you better, and I'll tell you so. For your own house, the written estimate spells out what's included.

How do you know it's time for an all season room?

  • The patio sits empty

    You meant to sit out there, but afternoon heat or a cool evening sends everyone back inside. That usually means the space needs walls, insulation and air, not just a cover, and every season you wait is another one it goes unused.

  • The sunroom is too hot

    An older three-season room that bakes by midafternoon usually has no insulation or cooling, so the door stays shut. You're paying for space you avoid, and often it can be rebuilt through sunroom remodeling into a room you'll actually use.

  • Stains at the house wall

    Water marks or peeling paint where an old room meets the house usually mean that joint was never sealed and flashed properly, flashing being the metal strips that shed water away from it. Water that keeps getting in there can reach the framing, so it's better looked at sooner than later.

  • Enclosed patio rooms

    For a patio already under a solid cover, where closing in the sides may give you the room you want with less new building.

  • Solarium installation

    For a room with glass overhead as well as on the walls, when daylight matters more to you than shade.

How we build an all season room

Before I draw anything, I look closely at how the room will tie into your house and its heating and cooling, because that joint is where these rooms either feel like part of the home or don't. Then we look at what the room will stand on, settle on the size you actually need and draw the plans. Once the permit is in hand, we build the base, frame the walls and roof, set the windows, run the power and finish the inside so it reads as one more room of the house.

If you're starting from a covered patio, our enclosed patio rooms work may be the simpler path to the same comfort. If you want the sky overhead too, solarium installation is the closer fit, and we'll talk through which one suits how you live.

  • Solid insulated roof

    This suits most homeowners who want an even temperature and a room that looks like it was always part of the house. You still get plenty of light through the walls of windows.

  • Glass roof panels

    This suits people who want the most daylight, for plants or for the view. The trade-off is more sun overhead in summer, so we size the cooling with that in mind.

Get a written estimate for your all season room

We reply within one business day to set up a free on-site visit, and there's no obligation. If you'd rather talk now, please call (657) 329-2023.

Call (657) 329-2023

Why Fountain Valley homeowners call Fountain Valley Sunrooms & Patios for all season rooms

  • The owner measures every job

    I come out to measure and look over every job myself, and I work on site alongside our crew through the build. You're dealing with the person who saw your slab and drew your room, so nothing gets lost between the estimate and the work.

  • Building in Fountain Valley since 2023

    I started this business here in 2023 after years on sunroom and patio jobs, and I learned on a family farm to look underneath anything before trusting it. That's why we check the slab, deck or cover before we talk about anything else.

  • Fully licensed and insured

    We're fully licensed and insured. The state licensing board requires a license for building work that needs a permit, uses employees or costs $1,000 or more in labor and materials, so a room like this calls for a licensed builder.

A room is only as good as what it stands on and how it joins the house, so please ask us to come take a look.

What happens when you call about an all season room in Fountain Valley?

  1. Call or send a message

    Call (657) 329-2023 or use the form, and we'll get back to you to set up a visit at a time that suits you.

  2. I measure and look underneath

    I measure, check what the room will sit on and ask how you plan to use it. Then I send a written estimate in plain words that spells out what's included, so you know where the money goes before you decide.

  3. We handle permits and build

    If you go ahead, we take care of the permit and city paperwork and tell you early if we need anything from you, such as your homeowners association's approval. I'm on site with our crew until the room is finished.

  4. We walk through it together

    When the room is done, we walk through it with you before we call the job finished. Satisfaction guaranteed.

Common questions

  • How much does an all season room cost in Orange County?

    A sunroom in Orange County usually costs about $17,000 to $120,000 per project, and that's the market's range, not our price. Larger rooms that need a foundation and have heating and air conditioning sit at the higher end of it. Your written estimate will show what's included for your house.

  • How do I choose between an all season room and a three-season sunroom?

    Decide whether you want insulation and heating and cooling in the new room, because that's the line between the two. An all season room is built into your home's construction with insulation, electricity and heating and cooling, so it connects to the rest of the house. A three-season sunroom is a glass-enclosed addition without insulation or a heating and cooling system.

  • Should an all season room be open to the rest of the house?

    It can be either, and the choice changes how the room is classed. Under one industry specification, a heated or cooled sunroom that's open to the house counts as living space, and one that's closed off from the house's heating and cooling doesn't. Either way, that specification calls for windows that resist air leaks and water and meet thermal performance requirements.

  • Can an all season room go on my existing patio slab in Fountain Valley?

    Sometimes it can, since prefab sunroom kits can attach to an existing wooden deck or patio with a level surface, while site-built rooms need a proper building foundation. The condition of what's already there decides which method fits, which is why I look at your slab or deck before anything is drawn.

  • How do I get a permit for an all season room in Fountain Valley?

    You get it through the city's Building & Safety Division, which issues permits to build, enlarge or alter a structure, and its list of work exempt from permits names sheds and awnings, not sunrooms. Plans uploaded to the city should include structural plan sheets and calculations, a soils report and any homeowners association approval. For attached patio enclosures, the city requires at least 20 feet from the front property line and 5 feet from the side, and at the rear 20 percent of the lot depth or 25 feet, whichever is less, so please ask the division how that applies to where your room would sit.

  • How much can a contractor ask for up front on a sunroom in California?

    In California, a home improvement down payment can be no more than $1,000 or 10 percent of the contract price, whichever is less, and special-order materials don't change that. Any project over $500 also needs a written contract that tells you about your right to cancel, and any change along the way has to be in writing and easy to understand.

Start planning your all season room today

If you have a rough sketch of your lot, any homeowners association details and a sense of whether you want the room open to the house, our first visit gets a lot further.

(657) 329-2023Request a quote