How much does it cost to build an addition?

How much does it cost to build an addition and what do you need to consider when pondering building an addition?  Homeowners in San Diego seem to be electing to stay in their home and expand by adding a room addition rather than move.  The market changes frequently and we do not know how long this trend will stick around, but for right now the “thing to do” seems to be building an addition.  Here are some tips for what you need to consider when trying to determine how much it will cost to build an addition.

Decide if you want a first floor or second floor addition

First, there are more than a dozen options for building an addition so the first question should not be how much does an addition cost, but what type of room addition do you want to build?  Let’s talk about first floor versus second floor.  If you want to save money, add on to your first floor. A second story home addition is going to cost you significantly more money and it will take much longer to complete.  We recently submitted a second story addition to the City of San Diego for permits and let me tell you – there are things you haven’t even considered which could cause a delay in permits for a second story addition.  Live near an airport?  The FAA may need to review your building plan.  Live near the coast?  Expect the city to take extra time to review that one too; your neighbors won’t want you disrupting their view.

How will your home addition affect other parts of the house

Next,  will you be remodeling other parts of the home as well?  Many home additions end up with alterations to the rest of the house as well.  We recently completed a home addition which included expanding two bedrooms and adding a bathroom while relocating the laundry room. That is a much different home addition than adding an office or expanding a kitchen.

Decide if you are going to add a bathroom or laundry area

Small Bathroom - Room Addition Contractors San DiegoWill you be adding a bathroom?  The cost to build an addition with a bathroom will fluctuate based on what you include.  For example:  will you have two sinks or one, will you add a bidet?  Will you have a free standing tub or a large shower?  The type of fixtures and finishes you select can significantly sway the pricing for the addition as well.  Laminate flooring is not very popular anymore, but is much less expensive than tile or hardwood.  Wallpaper, which is coming back in style, is more expensive than painting.  One item at a time the price may not fluctuate by more than a couple thousand dollars, but if you are on a tight budget, each item adds up quickly.

Decide how elaborate of a space you want

Are you considering the cost to build an addition for vehicle storage?  Well, you can have an attached garage or detached.  You may want to have the garage finished or completely decked out “man-cave” style.  Some homeowners, like a customer we had in Escondido, who want a garage but do not fully enclose it.  Another San Diego resident had us add a laundry room in their attached garage addition.  An unfinished floor versus epoxy coating can be a swing of a few thousand dollars.  Adding shelving versus not adding any shelves can be a swing of $1,000 up to $10,000.

Decide how big your addition will be

Additionally, no matter what type of addition you build, the cost to build an addition will largely be determined by the size of the new space.   A lot of homeowners will ask for a price per square foot so they can try to do the math to figure out how much it will cost to build their addition.  This is a flawed way to figure out a price for a remodel and not something a contractor should do sight-unseen.

So how much will it cost to build an addition?

I still have not answered the question, how much does it cost to build an addition, have I?  I am hoping that if you read everything that was written above that you have realized by now that a contractor could not possibly tell you what an average addition costs without having much more detail about what you are trying to accomplish.  The best possible way you can get an estimate is to speak with a home addition builder directly to determine what price ranges you would be looking at for your addition project.  If you are looking to speak with room addition contractors in San Diego, call us at 858-224-7373!


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