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How Much Do Room Additions Cost in Sacramento?

Have you been considering expanding your home and adding another room? Maybe you need more usable space, want to upgrade the functionality of your home, or you want to increase the value of your home. No matter what the reason for wanting a room addition, you have to consider and plan for the investment.

How much does it cost for room additions in Sacramento? Different factors will influence the final cost, such as size of the room, quality of materials, complexity of the project, city zoning permits and regulations, and regional housing market conditions.

How Much Does a Room Addition Cost?

The average cost of room additions in Sacramento, California ranges between $200 and $500 per square foot. Room additions typically cost between $50,000 and $200,000 in Sacramento, depending on the size and complexity of the project, and materials used. Complex projects, like a second story addition, may cost $250,000 and up, though these are less common.

Most contractors have an average price per square foot, but this will also be higher when mechanical, structural, electrical, or plumbing upgrades and infrastructure are required. For example, kitchens and bathrooms may have a higher price per square foot than a living room. ADUs (Accessory Dwelling Units) may have a different per square foot price than other rooms due to the complexity of construction.

What Factors Influence the Cost of Room Additions in Sacramento?

Here are some of the main factors that influence how much a room addition will cost.

kitchen remodeling

Complexity, Size and Scope of the Addition

The size of the room addition will affect the overall cost: the more square feet, the higher the cost. Most projects are on a per square foot basis which is calculated by the cost of building materials and labor. Complex projects which require more infrastructure built out will cost more as well. Kitchens, for example, require plumbing and electrical, and have other considerations like hood fans and ventilation, cabinets, flooring, appliances, and backsplash. This is one example of how a kitchen addition has more complexity than adding a living room or a bedroom.

Quality of Building Materials

Another factor that affects the overall cost of a room addition is the quality and type of building materials that are used. If you use granite countertops that will cost more than standard countertops. Flooring, finishes, tile, windows, and fixtures are all materials that can vary wildly depending on the quality of components you select. Matching all the little details like backsplash, cabinets, paint, and trim can add a little extra to the cost.

Complexity and Architecture

Basic architectural designs are straightforward and tend to be more economical. Vaulted ceilings, intricate designs, custom windows, raised floors and other challenging designs that require more precision will cost more than basic room additions.

Adjustments to the Structural Elements

Depending on the necessary adjustments to the home, some cost may be added. If the foundation needs to be extended, if the floor needs to be raised for the room addition, those things will affect the project cost. Systems that need to be extended or updated like HVAC, electrical, plumbing will add some cost.

Labor Costs

The labor costs can be higher in California cities like Sacramento or the East Bay Area, where the cost of living is higher than it is in rural areas. Skilled laborers like carpenters, electricians, and plumbers have a cost. Most jobs are planned to have all the specialty work done at once so costs are minimized.

Local Zoning Laws and Permits

Building permits for room addition projects can cost anywhere between $400 and $2,000. The general contractor will usually obtain the local building permits. The permits are to ensure the construction follows local building codes. California has specific zoning and environmental regulations regarding where the building can be located on your property. Any work such as room additions, bathroom renovations and kitchen remodeling, major structural changes to your home, and any electrical or plumbing work requires a permit.

Cost of Room Additions By Type

Bathroom

A bathroom addition will cost between $50,000 and $125,000 in Sacramento, with an average of about $75,000 to $80,000. Intricate tile and premium finishes, luxury fixtures, sinks, and tubs can add more cost to the project. Bathroom additions almost always require plumbing upgrades but have a good return on investment. You can expect the value of your home to increase by 47% to 67% of the bathroom addition cost. 

Kitchen

A new kitchen addition in Sacramento ranges from $50,000 to $125,000. The total price can vary depending upon plumbing and electrical upgrades, appliances, cabinets, quality of materials, and total kitchen size.

Bedroom

A new bedroom addition will typically cost between $30,000 to $100,000, with a mean average of about $50,000. For a primary suite bedroom, this cost can be up to $200,000 for a second-story with a bathroom and walk-in closets. The cost will vary depending on the size of the room, quality of materials, and finishes.

Second Story

Adding a second story to your home in the Sacramento area, this can be one of the most expensive types of room additions. This is due to necessary reinforcements that are required to make the second story structurally sound. Adding a second story to a home in Sacramento or Placer County will run at least $200,000 to $350,000 and up.

Sunrooms

Sunrooms use natural light for illumination and solar heat and can be used year round. These usually cost between $40,000 and $100,000 to add, though they can run up to $200,000 if you add upscale options like custom windows and climate control. The return on investment can be high since these are highly sought by home buyers.

Primary Suite

These primary bedroom additions can cost $125,000 and above, depending on the features you add, like walk-in closets, enclosed patios, or luxury bathrooms. These can add extra appraisal value to the home, as well as extra functionality and accommodation room.

Room Type Average Price Price Range
Bathroom $80,000 $50,000 – $125,000
Bedroom $50,000 $30,000 – $100,000
Kitchen $75,000 $50,000 – $125,000
Primary Bedroom (incl. Bathroom) $125,000 $50,000 – $200,000
Home Office $30,000 $15,000 – $50,000
Garage Conversion $55,000 $20,000 – $80,000
ADU (Accessory Dwelling Unit) $200,000 $100,000 – $300,000
Sunroom $50,000 $40,000 – $100,000
Second Story $345,000 $100,000 – $600,000
Laundry Room $7,500 $5,500 – $10,500

Average Cost of Room By Size

Room Size Average Price Range
20' x 20' $110,000 – $200,000
12' x 12' $39,600 – $72,000
10' x 12' $33,000 – $60,000
400 sq ft $110,000 – $200,000
500 sq ft $137,500 – $250,000
600 sq ft $165,000 – $300,000
1,000 sq ft $275,000 – $500,000

Tips for Saving Money on Room Additions

Planning a room addition is a big undertaking, and the investment is significant, but the gains in home value can also be substantial. Still, you’ll be looking for ways to spend responsibly. Here are some tips for doing a room addition on a budget.

Though financing is available with most construction companies, saving up for a down payment can help save interest payments and help you save money in the long run.

Material costs are a big part of any home remodeling project, so go over your options with the contractor, and understand where your investment is going, and maximize your spend.

Talking to at least three local contractors can help you find the range of estimates for your home addition project. You’ll also get a feel for the professionalism of each company. Doing research on the reputation of contractors will help you make good decisions about who you hire and avoid future repairs from avoidable mistakes.

If possible, find out how much each contractor is charging for materials. Some contractors have different suppliers and this may affect your cost of building materials.

Call JC Construction & Remodeling for Room Additions in Sacramento

When you need a trusted general contractor to plan a room addition on your Sacramento home, call the experts at JC Construction & Remodeling. For more than a decade, we’ve helped homeowners in the Sacramento and Roseville area with kitchen, bathroom, and home remodeling. We’ve completed hundreds of construction projects, including room additions, ADU construction, and custom home building. To schedule a free consultation at our Auburn Boulevard showroom, follow the link here, or call us at (916) 644-7810.

Room Size Average Price Range
20' x 20' $110,000 – $200,000
12' x 12' $39,600 – $72,000
10' x 12' $33,000 – $60,000
400 sq ft $110,000 – $200,000
500 sq ft $137,500 – $250,000
600 sq ft $165,000 – $300,000
1,000 sq ft $275,000 – $500,000
Your Trusted Home Improvement Partner

JC Construction & Remodeling is more than just a construction company; we are your dedicated partners in transforming your vision into reality. With over a decade of industry experience, our locally owned and operated business has honed its craft, delivering exceptional home improvement solutions to our valued clients. Integrity and honesty are the cornerstones of our approach, guiding every interaction and decision we make. We understand that each project is unique.

Why we offer a diverse range of customizable home improvement services

Whether you’re looking to renovate your entire home or simply need a few repairs, our team is equipped with the expertise and resources to exceed your expectations. At JC Construction & Remodeling, quality is not just a goal; it’s a standard we uphold in every aspect of our work. Specializing in general home improvement and remodeling, we take immense pride in the craftsmanship and attention to detail that defines our projects.

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