How Much Does It Cost to Build a House in California?

Average range: $1M - $1.68M
Low
$400,000
Average Cost
$1.35M
High
$2.4M
(2,700 sq.ft. Mediterranean-style home located in Orange County with moderate upgrades and 3 bedrooms)

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Reviewed by Laura Madrigal. Written by Fixr.com.

California is a beautiful coastal state with many architectural styles. This diverse state has many cultures, landscapes, and ways of living, contributing to different housing costs. Homes built in the northern areas may have lower building costs than those constructed in the middle and southern areas of the state, with more densely populated areas having the highest costs. Building costs and the average home size are above the national average in California, where the cost of living is above average.

The state average cost to build a new home in California is $1,000,000 to $1,680,000, with most homeowners spending around $1,350,000 for a 2,700 sq.ft. Mediterranean-style home in Orange County with moderate upgrades and 3 bedrooms. This project’s low cost is $400,000 for a modular 1,500 sq.ft. Cape Cod-style 2-bedroom home located in Northern California. The high cost is $2,400,000 for a 3,000 sq.ft. luxury 5-bedroom custom coastal home in the southernmost section.

Cost to Build a House in California

Average Cost to Build a House in California
National average cost$1.35M
Average range$1M-$1.68M
Low-end$400K
High-end$2.4M

Build a House in California Cost by Project Range

Low
$400,000
1,500 sq.ft. modular 2-bedroom Cape Cod-style home located in Northern California
Average Cost
$1.35M
2,700 sq.ft. Mediterranean-style home located in Orange County with moderate upgrades and 3 bedrooms
High
$2.4M
3,000 sq.ft. luxury 5-bedroom custom coastal home located in the southernmost section of the state

Average Cost to Build a House in California by Type

New homes in California can be built using two methods - traditional or stick building and modular building. Stick building is the construction most people are familiar with where your home is built on-site using traditional building methods. Modular construction is a newer building method where the home is built off-site in a controlled indoor location. Once built, it is transported, usually in pieces, to the location where it is assembled. Because it is built indoors in a controlled environment, this can considerably lower the project cost.

Both building methods are fairly common in California, but modular is more likely to be found in urban and well-populated areas, while stick building is more common in less populated spaces. Both can give you a range of building styles. Below are the average costs per square foot to build a new home in California using the different methods.

Cost per sq.ft. to build a modular and a stick building home in California

Cost per sq.ft. to build a modular and a stick building home in California

TypeCost per Sq.Ft. (Labor Included)
Modular$200 - $300
Stick Building$400 - $600

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Cost per Square Foot to Build a House in California

Depending on where you go in the state and the home type you are building, you may find many costs per square foot to build a home in California. Generally, costs become more expensive the farther south in the state you go. While a builder-grade or minimum standard grade 1 home in Northern California has costs starting at $140 a square foot, the same home built in the southernmost parts of California has costs starting at $200 a square foot.

You can also build homes with different materials and customization levels. A home built by a builder or firm for sale usually meets the minimum standards for a single-family home or may be considered average standard. These have lower costs per square foot than those where you work with a builder. Also, your costs are lower if you select a basic floor plan than if you change the floor plan. These homes may be considered good or best standard, with quality materials but no luxury changes or additions. These homes have an average cost per square foot of $400 to $600 in California but may start at $300 in some areas.

There are also complete custom builds, often considered luxury or semi-luxury homes. These homes have the highest costs, starting at $350 per square foot in the northern areas and reaching $800 per square foot in populated areas. The materials and home style also affect the final costs. The state average falls between $400 and $600 per square foot for most homeowners, assuming average-to-good quality materials with a traditionally built home. Costs for a modular home are lower, with the average being $200 to $300 per square foot. Below are the state average costs for building homes of varying sizes using the two methods.

Cost to build a modular and a stick-built house in California by size: 800 sq.ft., 900 sq.ft., 1,000 sq.ft., 1,200 sq.ft...

Cost to build a modular and a stick-built house in California by size: 800 sq.ft., 900 sq.ft., 1,000 sq.ft., 1,200 sq.ft...

SizeCost to Build (Modular)Cost to Build (Stick-Built)
800 sq.ft.$160K - $240K$320K - $480K
900 sq.ft.$180K - $270K$360K - $540K
1,000 sq.ft.$200K - $300K$400K - $600K
1,200 sq.ft.$240K - $360K$480K - $720K
1,500 sq.ft.$300K - $450K$600K - $900K
1,600 sq.ft.$320K - $480K$640K - $960K
1,800 sq.ft.$360K - $540K$720K - $1.08M
2,000 sq.ft.$400K - $600K$800K - $1.2M
2,500 sq.ft.$500K - $750K$1M - $1.5M
2,700 sq.ft.$540K - $810K$1.08M - $1.62M
3,000 sq.ft.$600K - $900K$1.2M - $1.8M
3,500 sq.ft.$700K - $1.05M$1.4M - $2.1M
4,000 sq.ft.$800K - $1.2M$1.6M - $2.4M
5,000 sq.ft.$1M - $1.5M$2M - $3M

Average Cost to Build a House in California by Number of Bedrooms

No matter which home style you have or where it is located, one thing it has is a minimum of one bedroom. Most homes in California are slightly above average, with at least 3 to 4 bedrooms per home, but smaller homes with 1 or 2 bedrooms are available, and larger homes with 5 or more bedrooms. While you can have large homes with 1 bedroom or smaller-than-average homes with 3 bedrooms, most homes are larger the more bedrooms they have.

For this reason, the cost to build a home with 3 or 4 bedrooms tends to be higher than the cost to build a home with 1 or 2. There can be some overlap between sizes, but typically, the more bedrooms a home has, the higher its cost to build. Below are the average costs to build a home in California based on the number of bedrooms using both methods.

Cost to build a 1, 2, 3, and 4-bedroom modular and stick-built home in California

Cost to build a 1, 2, 3, and 4-bedroom modular and stick-built home in California

Number of BedroomsCost to Build (Modular)Cost to Build (Stick-Built)
1 Bedroom$160K - $450K$320K - $900K
2 Bedrooms$200K - $600K$400K - $1.2M
3 Bedrooms$400K - $810K$800K - $1.62M
4 Bedrooms$500K - $1.2M$1M - $2.4M

Average Cost to Build a House in California by Number of Stories

Homes in California come in many styles, from the California ranch to the popular colonial. Each home type or style may have its own floor plan and the average number of stories. This means you are likely to find single-story, 2-story, and 3-story homes in California, depending on the home style and region.

Two-story homes are the most affordable to build per square foot, but some 3-story homes may fall into the same category. This is because they tend to have smaller foundations and roofs than single-story homes.

You are more likely to find smaller homes being built that are single-story, while larger homes tend to have 2 or 3 stories to help keep costs down. The larger the home’s footprint 2, the higher the costs. Building up tends to be slightly cheaper than building out. The same is true for modular and stick-built homes. Below are the average costs to build a home in California based on the stories and their average square footage for a 1, 2, and 3-story house.

Cost to build a 1, 2, and 3-story modular and stick-built home in California

Cost to build a 1, 2, and 3-story modular and stick-built home in California

Number of StoriesCost to Build (Modular)Cost to Build (Stick-Built)
1 Story$200K - $750K$400K - $1.15M
2 Stories$400K - $900K$800K - $1.8M
3 Stories$600K - $1.2M$1.2M - $2.4M

Price to Build a House in California by Style

There are many popular housing styles in California. Depending on the area and your personal preferences, you may build one of many homes. For example, Mediterranean and Spanish-style homes are common in the southern areas, while in other areas, you may find more ranches, Cape Cods, and colonials. In the northern areas, you can also find more Victorians, while on the coast in larger cities, there are more contemporary-style homes.

Different types have varying costs, average footprints, and square footage, impacting costs. All styles can be built using modular or stick-building construction, but you may find modular building can be more difficult in some parts. This leads to a cost range for each style, depending on its size, material, and construction method. Overlapping costs between home styles are also common, depending on the area. Below are the average costs to build the most common home styles in California for their average sizes using both construction methods.

Cost to build a modular and a stick-built house in California by style: tiny house, ranch, cape cod, colonial, Spanish…

Cost to build a modular and a stick-built house in California by style: tiny house, ranch, cape cod, colonial, Spanish…

StyleCost to Build (Modular)Cost to Build (Stick-Built)
Tiny House$20K - $80K$50K - $120K
Ranch$300K - $510K$600K - $1.02M
Cape Cod$300K - $510K$600K - $1.02M
Colonial$400K - $750K$800K - $1.5M
Mediterranean$400K - $750K$800K - $1.5M
Spanish$400K - $750K$800K - $1.5M
Beach House$420K - $810K$840K - $1.62M
Victorian$420K - $840K$840K - $1.68M
Contemporary$600K - $1.05M$1.2M - $2.1M

Home Building Cost Breakdown (California)

Every home build is different, but most proceed in a fairly expected way. This includes the type of work that needs to be done, from breaking ground and preparing the foundation to framing the home, roughing in the major systems, and finishing the home’s interior and exterior. Each area has materials, professionals, and attributes that impact the project cost.

When breaking down the total project costs, remember there can be variables for every area. This leads to a range of costs for the average home. You can change the quality of materials from one area of the home, and some parts may demand more work than others. For example, homes in California must be built with earthquakes and wildfires in mind, increasing the material cost in some areas. Below are the average cost breakdowns for a 2,700 sq.ft. stick-built home in California. Costs for modular homes are laid out differently because they are built using different methods.

Home building in California cost breakdown: prep work, foundation, framing, exterior finish, roofing...

Home building in California cost breakdown: prep work, foundation, framing, exterior finish, roofing...

CategoryAverage Cost (Labor Included)
Prep Work$80K - $134.4K
Foundation$110K - $184.8K
Framing$170K - $285.6K
Exterior Finishing$140K - $235.2K
Roofing$100K - $168K
Major Systems Installations$150K - $252K
Interior Finishing$250K - $420K

Labor Cost to Build a House in California

Many professionals are involved in building a home. Each professional may charge a different rate for their services. Your materials and location can impact the labor cost of building a home in California. Homes built in the southernmost parts and major cities have higher labor costs than homes built in less populated areas. Also, some materials may be more difficult or time-consuming to work with, influencing your project’s labor cost. Below are the average costs per hour for the different professionals you may need.

Labor costs per hour to build a home in California: flooring installers, painters, carpenters, electricians...

Labor costs per hour to build a home in California: flooring installers, painters, carpenters, electricians...

ProfessionalLabor Cost per Hour
Flooring Installers$40 - $80
Painters$40 - $90
Carpenters$50 - $150
Concrete Workers / Brick Layers$80 - $100
Electricians$50 - $100
Landscapers$50 - $100
Plumbers$90 - $200
Roofers$50 - $80
Architects$120 - $250
HVAC Technicians$75 - $120
General Contractors10% - 20% of total project costs (added)
Structural Engineers$150 - $200

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Average Cost to Build a Home in California by Location

California is a large state extending over a large portion of the West Coast. For this reason, there is a fairly diverse range of costs for home building as you move through the state. Costs tend to be less expensive in the most northern parts of the state and most expensive in the southernmost areas. However, different regions and counties may have costs influencing your project fees. Below are the total cost ranges per square foot in some of the most populated areas of California.

Cost to build a house in San Jose, Sacramento, Orange County, Los Angeles, San Diego, and San Francisco

Cost to build a house in San Jose, Sacramento, Orange County, Los Angeles, San Diego, and San Francisco

LocationCost to Build a Home per Sq.Ft.
San Jose$300 - $450
Sacramento$300 - $525
Orange County$400 - $475
Los Angeles$400 - $475
San Diego$475 - $800
San Francisco$500 - $800

Cost per Square Foot to Rebuild a House in California

There are many reasons you may want to rebuild a home, particularly in California. If the home is old and outdated, you may want to demolish it and begin from scratch for the floorplan and features you want. Many older homes in California are not earthquake-proof, so retrofitting can be an expensive and difficult process, making rebuilding an attractive option. In addition, the number of wildfires in the area has also led to the need to rebuild for many people whose homes were damaged. These rebuilds lead to different cost sets.

If the home is still standing, it must be demolished first before the new home can be built. The average cost of a full house demolition in the state is $80,000 to $100,000 to level the old home and remove and dispose of the debris. However, homes that have been ravaged by wildfires may need less demolition, keeping costs down to between $10,000 and $20,000. These costs are in addition to the average cost to build a home in the state, for an average range of $1,010,000 to $1,780,000 or $374 to $659 per square foot to rebuild a 2,700 sq.ft. home in the state.

Framing Cost per Square Foot in California

The frame is an important part. In California, the average cost to frame a home ranges from $6 to $12 per square foot. Costs fluctuate based on the current lumber price, with lumber often costing more per square foot than labor.

While lumber is the most common framing in California, you may have other costs if you choose steel, insulated concrete blocks, or other materials. Costs for steel and insulated concrete block framing range from $18 to $22 per square foot in the state.

Backyard with a swimming pool in a Mediterranian-style home in California

How Much Are Building Permits in California?

The average cost for a building permit in California is $1,200. This cost is set by federal regulations. However, you may be subject to additional permits depending on the home you build and the materials. California has some of the strictest building codes and regulations for sustainability, low VOC materials, and building safety. This can increase the total costs of building permits to as much as $3,000, depending on the project.

Building vs Buying a Home in California

There are many reasons to purchase a home and build a new one in California. In most cases, purchasing existing real estate is less expensive than building a new home. However, current home prices in California are reaching $1,000 per square foot. Even factoring in the cost of purchasing land, building a new home in some areas may be less expensive.

However, the cost of housing is volatile and can change. For this reason, you may find that purchasing a home may eventually be the better option cost-wise. You may also want to consider that older homes in California are not optimized for many of the state’s issues, including droughts and wildfires. Building a new home gives you the option to include flame-retardant materials, water-saving appliances, and better energy efficiency, helping you save over the long run.

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Enhancement and Improvement Costs

Interior Designer

Interior designers are often valuable when building a new home. They can work with your architect to create the best layout for your home’s interiors. They can also assist with interior materials and furnishing. Some interior designers work at the same firm as an architect to make consulting easier. The cost of an interior designer in California averages $50 to $200 per hour, but many work for flat fees.

Additional Considerations and Costs

  • Shipping container homes. If you are looking for a sustainable way to build a home in California for less, shipping container homes are a legal option. They use existing materials and cost $20,000 to $35,000 to build.
  • Demo fees. If you are rebuilding a home, you may have demo fees ranging from $10,000 to $100,000 in addition to building costs.
  • Inspection. Every home building permit is followed by an inspection. This is included in the cost of the permit and follows the completion of the home. The residence must pass inspection to be allowed to reside there.
  • Contingencies. It is good to have an additional 20% in costs set aside for contingencies. This can be project delays or unforeseen expenses. By having a contingency fund, you can avoid serious delays.
  • Material shortages. Material shortages are leading to higher-than-average costs and building delays. Supply chain problems combined with labor shortages lead to material shortages, causing delays and higher costs.

FAQs

  • Can I legally build my own house in California?

If you obtain the required permits and follow all building codes and regulations, yes, you can legally build your own home. However, California has some of the strictest building laws in the nation, so you need to have a good understanding before you begin.

  • What is the minimum square footage for a house in California?

There is no minimum square footage for a house in California. There are no tiny home regulations, provided you follow the state building codes and regulations. You can build a tiny home of less than 100 sq.ft. in the state.

  • How long does it take to get a building permit in California?

This varies by municipality, project complexity, and season. In most areas, you receive the permit in 30 days or less unless there is an issue.

Remodeling Terms Cheat Sheet

Definitions in laymen's terms, cost considerations, pictures and things you need to know.
See full cheat sheet.
1 Grade: The process of evening out the ground's surface, making it either flat or sloped.
glossary term picture Footprint 2 Footprint: The entire area of ground covered by a building, including the exterior walls and porch or patio areas

Cost to build a house in California varies greatly by region (and even by zip code). To get free estimates from local contractors, please indicate yours.

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Backyard of a Mediterranean-style house in California
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The information provided by our cost guides comes from a great variety of sources, including specialized publications and websites, cost studies, U.S. associations, reports from the U.S. government, contractors and subcontractors, material suppliers, material price services, and other vendor websites. For more information, read our Methodology and sources