Detached Garage Sizes, Prices, and Uses in Central California

If you’re planning to build a garage, two of the biggest questions usually come up right away: How much space do you need, and what will the project cost? Understanding garage sizes early in the process makes it much easier to plan your layout, compare options, and build a realistic budget for your property.

In this guide, we’ll break down common detached garage sizes, total square footage, typical uses, and average price ranges to help you find the right fit for your needs. Since Golden State Buildings specializes in detached garages, the pricing in this article reflects detached garage construction. Attached garages typically cost an additional $10,000 to $15,000 or more than a detached garage of the same size, due to the additional integration work required with the existing home.

Every property and project is different, and features such as concrete work, electrical upgrades, insulation, storage space, and custom layouts can affect the final cost. If you have questions about garage pricing or want help choosing the right size, our team is here to help. We’ll walk you through your options and help you design a garage that fits your space, your vehicles, and your long-term needs.

Detached Garage Cost by Size

Here’s a breakdown of how much a garage costs by size and what it’s typically used for.

Size	Square Feet	Typical Use	Average Cost
14×24	336 sq. ft.	1-car garage w/ light storage	35-37k
16×24	384 sq. ft.	1-car garage w/ workshop	36-38k
20×20	400 sq. ft.	Standard 2-car garage	38-40k
20×24	480 sq. ft.	2-car garage w/ extra storage	43-45k
20×30	600 sq. ft.	2-car garage w/ workshop	50-52k
22×24	528 sq. ft.	2 larger vehicles w/ storage	45-47k
24×24	576 sq. ft.	2-car garage w/ storage & workspace	48-50k
24×30	720 sq. ft.	2-3 vehicles w/ workshop	56-58k
24×36	864 sq. ft.	3-car garage w/ storage	58-60k
26×30	780 sq. ft.	3-car garage for larger vehicles	62-64k
28×32	896 sq. ft.	3-car garage w/ workshop & storage	60-62k
30×30	900 sq. ft.	3-car garage or hobby workspace	60-62k
30×40	1,200 sq. ft.	Large garage w/ workshop or RV storage	78-80k
32×40	1,280 sq. ft.	4-car garage w/ storage & workspace	78-80k
40×40	1,600 sq. ft.	Large multi-vehicle or commercial garage	95-100k
40×60	2,400 sq. ft.	RV, boat, and equipment storage	120-125k

What Are Standard Detached Garage Sizes?

Most detached garages fall into three common size categories based on how many vehicles they’re designed to store. Smaller 1-car garages are typically 14×24 to 16×24; standard 2-car garages usually range from 20×20 to 24×24; and larger 3-car garages often start around 24×36 and extend up to 30×40 or larger. The right size depends on the type of vehicles you own, how much storage you need, and how you plan to use the space long term.

Small Detached Garage Sizes

Small detached garages typically accommodate 1-2 cars or provide extra storage or workshop space. These layouts are especially useful for smaller lots, guest parking, compact workshops, or keeping outdoor equipment protected without taking up too much property space.

How Much Does it Cost to Build a 14×24 Garage?

On average, a 14×24 garage costs between $35,000 to $37,000. This size works well as a compact 1-car garage with enough extra room for seasonal storage, tools, or lawn equipment. Smaller sedans, motorcycles, and daily drivers fit comfortably in this layout while still leaving room for shelves, bikes, or yard tools along the walls.

How Much Does it Cost to Build a 16×24 Garage?

It can cost anywhere between $36,000 and $38,000 to build a 16×24 garage in Central California. The added width compared to a 14×24 layout creates more flexibility for a small workshop, storage cabinets, or a workbench alongside vehicle parking. This size is popular for those looking to store one vehicle and have some added storage or workspace.

How Much Does it Cost to Build a 20×20 Garage?

Typically, it costs between $38,000 and $40,000 to build a 20×20 detached garage in Central California. This is one of the most common sizes for a standard 2-car garage and comfortably fits two average-sized vehicles. Compact SUVs, sedans, and small trucks generally fit well in this layout while still leaving enough room to move comfortably around the vehicles.

Medium Detached Garage Sizes

As you may have guessed, medium-sized garages typically sit in the mid-price range for detached garages in Central California. These garage sizes generally range from 20×24 to 24×36 and provide enough space for 2 to 3 vehicles, added storage, or workshop space. For many properties, this size range creates the best balance between parking capacity, storage flexibility, and overall project cost.

How Much Does it Cost to Build a 20×24 Garage?

It costs between $43,000 to $45,000 to build a 20×24 garage in Central California. The additional depth compared to a 20×20 garage creates more room for storage shelves, freezers, tools, or recreational equipment behind parked vehicles. That extra depth also makes it easier to keep the garage organized without sacrificing vehicle clearance.

How Much Does it Cost to Build a 24×24 Garage?

A 24×24 detached garage typically costs between $48,000 and $50,000. This size is one of the most versatile garage layouts because it provides enough width for two larger vehicles while still leaving room for storage or workspace along the walls. Larger SUVs, trucks, and off-road vehicles fit more comfortably in this layout, especially when additional walking space or storage is important.

How Much Does it Cost to Build a 24×30 Garage?

On average, a 24×30 garage costs between $56,000 and $58,000 in Central California. With 720 square feet available, this layout creates enough room to combine vehicle parking, organized storage, workshop space, and hobby areas within the same structure. Garages in this range are often used for more than just parking.

How Much Does it Cost to Build a 24×36 Garage?

A 24×36 detached garage generally costs between $58,000 and $60,000. Three vehicles, trailers, motorcycles, storage racks, and workspace areas can fit much more comfortably within this larger footprint. The added square footage also creates more flexibility for future storage or equipment needs.

Large Detached Garage Sizes

Large detached garages are often designed for more than just vehicle storage. These layouts are frequently used for RV parking, boats, enclosed trailers, side-by-sides, workshops, agricultural equipment, home gyms, or multi-purpose workspace. While these garages require a larger upfront investment, they also provide substantially more flexibility and long-term usability.

How Much Does it Cost to Build a 30×30 Garage?

A 30×30 detached garage typically costs between $60,000 and $62,000. The square footprint creates a practical layout for separating parking areas from storage, tools, or hobby space without making the interior feel crowded. This size is commonly used for 3-car parking combined with workspace or recreational storage.

How Much Does it Cost to Build a 30×40 Garage?

It generally costs between $78,000 and $80,000 to build a 30×40 garage in Central California. With 1,200 square feet of space, this layout is commonly used for larger workshops, RV storage, trailers, or multi-vehicle storage. The additional depth and open floor space make this size especially useful for oversized trucks, boats, off-road vehicles, and other large equipment.

How Much Does it Cost to Build a 32×40 Garage?

A 32×40 garage typically costs between $78,000 and $80,000, depending on customization and site conditions. 4 vehicles can fit more comfortably within this wider layout while still leaving room for storage systems, tool benches, or workspace along the perimeter walls. This configuration is especially useful for larger households or expanding equipment storage needs.

How Much Does it Cost to Build a 40×40 Garage?

On average, a 40×40 detached garage costs between $95,000 and $100,000. This large footprint is often used for multi-vehicle storage, commercial-style workshops, or properties that need significant equipment storage. The open interior also creates flexibility for lifts, custom storage systems, large workbenches, or specialized hobby areas.

How Much Does it Cost to Build a 40×60 Garage?

A 40×60 garage typically costs between $120,000 and $125,000 in Central California. This size is commonly used for RV storage, boats, trailers, equipment, and large workshop setups. For properties that need maximum storage capacity, this layout provides enough space to combine oversized vehicle parking, workspace, and equipment storage in a single, highly functional building.

Detached Garage Sizes by Vehicle Capacity

Sometimes it’s easier to think about garage size in terms of how many vehicles you need to store rather than focusing only on dimensions. For many properties, the main goal is creating enough space for comfortable parking, storage, and flexibility as needs change over time.

Below, we’ll break down the average costs for common 1-car, 2-car, and 3-car detached garage configurations to help you find the right fit for your property and your needs.

How Much Does It Cost to Build a 1-Car Garage?

On average, a 1-car detached garage in Central California costs between $30,000 and $50,000. Final cost largely depends on the overall garage size and the type of vehicle you need to store. A compact car or small sedan may fit comfortably in a 14×24 layout, while larger SUVs or trucks often require additional width or depth to provide proper clearance and storage space. Workshop areas, shelving, upgraded garage doors, and electrical packages can also increase the final project cost depending on how the garage will be used.

How Much Does it Cost to Build a 2-Car Garage?

A 2-car detached garage typically costs between $50,000 and $70,000 in Central California. Pricing often depends on the size of the vehicles being stored and the amount of additional space you want around them. Two compact vehicles may fit comfortably in a standard 20×20 garage, while larger trucks or SUVs usually require a wider layout, such as a 24×24 garage, for easier access and storage. Insulation, taller wall heights, upgraded exterior finishes, and dedicated workspace areas can also impact the final price.

How Much Does it Cost to Build a 3-Car Garage?

In Central California, a 3-car detached garage generally costs between $60,000 and $90,000, depending on the layout and level of customization. Larger trucks, trailers, recreational vehicles, and outdoor equipment often require wider or deeper garage configurations to maintain comfortable spacing and functionality. Additional workshop space, RV-height doors, upgraded concrete work, custom storage systems, and higher-end finishes can all significantly affect the total investment.

Get an Exact Estimate for Your Garage Based on Size

Because garage size is only one part of the overall project, final pricing can vary based on the features, layout, and customization options you choose. Factors such as wall height, garage doors, windows, storage space, workshop areas, and the number of vehicles you plan to store can all affect the total cost. That’s why every garage estimate should be tailored to the specific needs of your property and how you plan to use the space.

At Golden State Buildings, we make the process simple by providing free, custom garage quotes tailored to your preferred dimensions, features, and layout. You can design your garage in 3D, request a quote online, or contact our team directly to talk through your options. From compact single-car garages to large multi-purpose buildings, our team works with you to create a detached garage that fits your property, your storage needs, and your budget. No matter how you choose to get started, we’ll help you build a garage designed for your needs and provide clear, accurate pricing so you know what to expect from the start.