How Much Does it Cost to Add a Room in Costa Mesa?

$13.5K Cheap
$55.0K Great Price
$112.3K Costly
View Full Cost Chart

Room additions in Costa Mesa are considered to be a major renovation and construction project since it means making an additional structure that you will connect to your house from the outside or within. The cost will greatly depend on the size of the room that you want to be added and where you will place it. It will also include the materials to be used and the labor cost. For this project, it is highly advisable to hire a builder or contractor to help you assess your options. You can have your room additions build in two different ways; either by building out for by building up.

Will I be needing a permit for my room addition project in Costa Mesa?

It depends on the scope of the project and the building policies in your city or municipality. Most cities though require permits for both building out and building up undertaking. Some may even require a zoning inspection. To avoid the hassle, consult with your contractor about the regulations. More often than not, permits are already included in your building contract with them, and they will handle it before the beginning of the construction.

Should I hire an architect and engineer for my Costa Mesa room additions?

If your room addition designs and needs require alteration of the many parts of your house, it is best to consult with your home's architect and engineer. That way, you will get a professional opinion on where you can or cannot put your addition or what kind will best fit your house's structure. It will also help to know the structural integrity of your home and if your foundations can support the added load.

Is a new Costa Mesa room addition a good investment?

Definitely. Room additions are considered to be a part of the home improvement. Houses that have gone through many home improvements tend to have a higher value in the market.

Find the Best Costs on Room Additions - Costa Mesa, 92626

Building out Costa Mesa room additions are usually added on the ground floor of a house. They’re basically used to increase traffic or to shift the traffic within the house. Building out projects usually costs more as foundations have to be poured again and significant alterations have to be made to your whole ground floor. Building up on the other side does not affect the traffic of the house. It is usually built on the higher floors of the house. This is more affordable than building out project as no new foundations will be needed. However, the builder or contractor may need to strengthen the existing foundations of your home to ensure that they can support the extra weight.

Local pros & Availability

Remodeling Contractors available in your area

  • Open
  • Closed
  • 1

    Amburgey Carich Construction

    Rating: 58
    Costa MesaCA  92626
  • 2

    AllegraHomesInc.

    Rating: 73
    970 Governor St. 
    Costa MesaCA  92627
  • 3

    All American Builders R K Taylor

    Rating: 90
    P O Box 10665. 
    Costa MesaCA  92626
  • 4

    Alliance Construction

    Rating: 72
    2045 Placentia Ave. 
    Costa MesaCA  92626
  • 5

    Angels Auto Spa

    Rating: 59
    2285 Newport Blvd. 
    Costa MesaCA  92627
  • 6

    A U Builders Inc

    Rating: 60
    187 E 21st St. 
    Costa MesaCA  92627