How Much Does it Cost to Add a Room in San Jose?

$14.5K Cheap
$59.2K Great Price
$121.0K Costly
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Room additions in San Jose 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 San Jose?

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 San Jose 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 San Jose 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 - San Jose, 95101

Building out San Jose 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

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  • 1

    A W Azzarello Construction

    Rating: 91
    65 Rennie Ave. 
    San JoseCA  95127
  • 2

    A & A Refrigeration Contractor

    Rating: 89
    5282 Meridian Ave. 
    San JoseCA  95118
  • 3

    A Sharp Builder-A Sharp Tile

    Rating: 87
    10513 Mcvay Ave. 
    San JoseCA  95127
  • 4

    A-1 Weatherstrip Co.

    Rating: 87
    4848 Pepperwood Way. 
    San JoseCA  95124
  • 5

    A&D Builders

    Rating: 81
    1116 Curtner Ave. 
    San JoseCA  95101
  • 6

    Aydin's Building Supply

    Rating: 93
    2006 Senter Rd. 
    San JoseCA  95101