Sunroom additions in Placentia CA - a room that works as part of your house

If your patio sits empty most of the year because it's too hot, too buggy or too windy, we'll add a room you'll actually use.

Sunroom addition with a glass roof and walls, leafy garden views, white sofa, plants, and a wooden coffee table.
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Sunroom additions

How can you tell it's time for a sunroom addition?

  • A patio you rarely use

    The chairs are out there, but most afternoons the sun, the bugs or the wind keep you inside. That usually means the space needs a roof and walls more than new furniture, and every season you wait is another one of owning a backyard you don't sit in.

  • A house that feels too small

    Maybe people are eating in shifts, or the home office lives on the kitchen table. A sunroom is often the least disruptive way to add a room, and putting it off usually means another year of working around the crowding.

  • Stains at an old enclosure

    Water marks on the wall or ceiling where an older patio enclosure meets the house usually mean the joint to the walls or roof wasn't planned well. Water that gets in there keeps soaking the framing behind it, so the repair grows the longer it's left.

What goes into adding a sunroom to a Placentia home?

A sunroom addition in Placentia is a new room built onto your house and enclosed by windows or screens, anything from a screened porch to a heated and cooled four-season room. It gives you a space you can use on hot afternoons and cool evenings without giving up the light and the view of your yard.

Most people who call us have a patio or backyard they'd use more if it had a roof and walls, and the first thing we sort out together is how big the room needs to be and whether it has to be comfortable year-round. Sometimes a patio cover gets you most of what you want, and I'll tell you if I think so. The price mostly moves with the size, the room type, whether it needs a new foundation and heating and cooling, and how much work it takes to tie into your roof. The schedule turns on the city's plan review, whether the city wants stamped drawings and, if you're in an HOA, how quickly they sign off. We pull the permits and handle the paperwork, so you aren't the one chasing the city.

Details to note before an estimate

  • Rough size of the room you want
  • Slab, deck or bare ground there now
  • Cracks or settling in an existing slab
  • How often you'd use it year-round

How we build a sunroom addition

An addition becomes part of your house, so we plan how it meets your existing walls and roof as carefully as we plan the room itself. I start with what's already there, because an old patio slab or deck may or may not be fit to build on, and sometimes we only know once it's opened up. Then we settle the room type, the windows and the insulation before anything is ordered, since insulated glass and insulation in the walls, floor and roof go in far easier during the build, and adding them later can often cost more. From there our crew sets the foundation, frames the walls, ties the new roof into the old one and seals that joint so water runs off instead of in, then puts in the windows and doors, finishes the inside and cleans up.

Most of the planning comes down to which kind of room you want. If you want a room you can use every day of the year, look at our four season sunrooms, and if you mostly want the patio out of the wind and the bugs, our three season sunrooms are worth a look. I'll lay both out at the estimate before I give you my opinion.

  • Four season sunrooms

    Worth a look if you want the new room to work as a den, office or guest room every month of the year.

  • Three season sunrooms

    A good fit if you want shade and shelter from spring through fall and don't need the room heated or cooled.

What happens when you call us about a sunroom addition in Placentia?

  1. Call or send the form

    Call (657) 226-2045 or fill out the form, and we'll set a time for me to come out. If your home is in an HOA, tell us early so their sign-off doesn't hold anything up.

  2. I come out and look

    I look at the spot and what's already there, ask how you plan to use the room and walk through the room types with you. Then you get the plan and the estimate in writing, so you know what you're paying for before anything is ordered.

  3. We handle permits and plans

    We pull the permits, handle the paperwork and get drawings from a licensed architect or engineer when the city asks for them. The city's Building Division reviews plans only after planning and zoning clearance, so that review usually sets when we can start.

  4. Build, inspect and walk through

    Our own crew does the building, and I meet the inspector on site, planning around the city booking inspections by phone Monday through Thursday with no same-day visits. When it's done, we walk through the finished room with you.

Questions before you add a sunroom

What is the best way to choose between a three-season and a four-season sunroom?

Start with how you'll use the room, because the two are built differently. A four-season room is heated and cooled with all-weather windows, while a three-season room has no heating or cooling and uses uninsulated windows or screens. If you want to sit in there on a July afternoon or work there in winter, that points to four-season.

How much does a sunroom addition cost in Orange County?

Building a sunroom in Orange County usually costs about $120 to $170 per square foot. Larger rooms that need a foundation and have heating and air conditioning land toward the top of that range, and smaller rooms without them usually land lower. That's the area's going rate, not our price, so your written estimate is where you'll see the number for your room.

How much can a contractor ask for up front on a home improvement job in California?

In California, the down payment can be no more than $1,000 or 10 percent of the contract price, whichever is less. That limit comes from the Contractors State License Board, and the other payments are listed in the contract and tied to work completed or materials delivered. So you pay as the job moves forward, not all at the start.

Do I need a permit for a sunroom addition in Placentia?

Placentia's plan submittal list names room additions and extensive remodels but doesn't mention sunrooms by name, so ask the city's Building Division about your project before anything is built. Projects that need plan submittal need scaled plans stamped by a California licensed architect or engineer, plus engineer-stamped structural calculations and Title 24 energy calculations. The city accepts the owner, a California licensed contractor or the owner's authorized agent as the one who signs the application, so it's fair to ask your contractor who will sign.

Does a sunroom contractor need a license in California?

Yes, the same state board licenses home improvement contractors, and home improvement includes adding to a home and building patios and porches. That covers a sunroom addition, so the contractor you hire should hold a state license. We're licensed and insured.

How do I take care of a sunroom once it's built?

Check the roof and gutters once a year and keep the weep holes, the small drain openings, clear so water can get out. That's what one maker's guide suggests, along with pure silicone spray on the door and window tracks, since oil-based lubricants tend to pick up dirt.

Get a written plan and estimate for your sunroom addition

We reply within one business day to set up a time for me to come out and look at your spot. The estimate is free, done on site and comes with no obligation, so you can take the written plan and think it over.

Start planning your sunroom addition today

Have your address, the room type you're leaning toward and a rough size in square feet handy when you call (657) 226-2045 or fill out the form, and we'll get further on that first conversation.