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Home / Articles / 20x110 Self Storage Building: Layouts, Unit Counts, and Planning
20x110 Metal Building Storage Units – Blog Featured Banner (600x400)
30Sep 2026Metal BuildingsAgriculture Buildings

20x110 Self Storage Building: Layouts, Unit Counts, and Planning

20x110 Metal Building Storage Units – Blog Featured Banner (600x400)

A 20x110 self-storage building gives you 2,200 square feet to work with, but how you divide that space makes all the difference. You could create 11 larger units for boats, vehicles and household storage or fit up to 44 smaller units for renters who need less room.

Before investing in metal self-storage buildings, consider which layout makes the most sense for your property, budget and local demand. This guide will help you plan a 20x110 self-storage building.

Key Highlights

A 20x110 self-storage building provides 2,200 square feet of floor space.

An all-10x20 layout fits 11 units, while an all-10x10 layout fits 22.

An all-5x10 layout fits up to 44 units before accounting for partitions and framing.

Mixed layouts let owners offer different unit sizes to suit local demand.

The listed building is 12 feet tall, with separate units and individual roll-up doors.

Zoning, site access, door sizes, partitions and local building requirements should be reviewed before ordering.

20x110 Self Storage Building at a Glance

The 20x110 Self Storage Unit from Coast to Coast Carports provides 2,200 square feet of floor space in a long, narrow footprint. These metal storage buildings can serve commercial storage operations and other business uses.

SpecValue
Footprint20 ft wide × 110 ft long; 2,200 sq. ft.
Height12 ft
Layout as listedSeparate units, each with a large roll-up garage door
Uses named on pageSelf-storage business, residential storage, automotive repair
SKUCTC-186

For comparison, 2,200 square feet is about the same floor area as two and three-quarter 20x40 buildings, each of which covers 800 square feet.

How Many Storage Units Fit in a 20x110 Metal Building?

A 20-ft width allows one row of 20-ft-deep units or two back-to-back rows of 10-ft-deep units. Along the 110-ft length, the number of units depends on how much space each one takes up. This gives you a starting point for planning self storage building kits around the unit sizes renters are most likely to need.

LayoutUnit sizeDoors faceTotal units
Single row10x20One long wall11
Back-to-back10x10Both long walls22 (11 per side)
Back-to-back5x10Both long walls44 (22 per side)
Mixed: 40 ft of 10x20 + 70 ft of back-to-back 10x1010x20 + 10x10Both long walls18 (4 + 14)
Mixed: 50 ft of back-to-back 10x10 + 60 ft of back-to-back 5x1010x10 + 5x10Both long walls34 (10 + 24)

Potential 20x110 Unit Mixes for Your Market

The best unit mix depends on the people and businesses most likely to rent space in your area. A rural property near a lake may attract boat owners, while a location near residential neighborhoods could see more demand for household storage. These example layouts can help you compare options before requesting a quote. For more on this building type, read our guide to steel self-storage units.

20x110 With All 10x20 Units

A 10x20 layout provides 11 larger units in a single row, with doors facing one long wall. These spaces suit renters who need room for vehicles, boats, trailers or the contents of a full household.

For example, a rural lot near a popular lake could attract boat and trailer owners looking for convenient drive-up storage. The larger spaces give renters more room to maneuver and store bulky items.

The trade-off is that 11 larger units mean fewer individual rental spaces than smaller layouts offer. Before settling on this option, check whether local demand supports larger units and whether the planned door openings accommodate the vehicles and trailers customers may bring.

20x110 With All 10x10 Units

A 10x10 layout provides 22 units in two back-to-back rows, with 11 units on each side. It offers a middle ground for household overflow, seasonal decorations, furniture and small-business inventory.

This layout uses the building's full length while creating more rental spaces than an all-10x20 arrangement. However, doors face both long walls, so the property needs a drive lane on each side. That affects how much surrounding land must remain accessible.

Before choosing this layout, check whether the site can accommodate two drive lanes and whether 10x10 units match the storage needs of renters in the area.

20x110 With All 5x10 Units

An all-5x10 layout provides a total of 44 small units, with 22 along each long wall. These spaces may suit renters storing boxes, seasonal items, small furniture and other belongings that do not require a large storage room.

The advantage is the greater number of individual rental spaces. The trade-off is a larger number of partitions and door openings, which can change the building's configuration and overall cost.

Before choosing this layout, confirm that small units are in demand locally. Also verify the available door widths and the final partition arrangement with the supplier.

20x110 With a Mixed Layout

A mixed layout lets you offer more than one unit size in the same building. For example, one illustrative arrangement combines four 10x20 units with 14 back-to-back 10x10 units for a total of 18. Another combines 10 back-to-back 10x10 units with 24 back-to-back 5x10 units for a total of 34.

This approach can appeal to a broader range of renters, including households with furniture and small businesses with inventory. Different sizes call for careful planning around partitions, door openings and access. Our commercial metal building floor plan guide covers more site-layout considerations.

Before locking in the mix, check what sizes nearby storage facilities rent and consider which sizes are likely to serve your target customers. The SBA’s market research guidance can help you research local buyers and other storage businesses. Treat these as example layouts only, not engineered, permit-ready or code-compliant plans.

Doors, Height and Drive-Up Access

Each storage unit needs a suitable roll-up door, and the opening must match the intended use. A 5-ft-wide unit cannot accommodate the same door opening as a 10-ft-wide unit without changing the layout.

A 12-ft height provides vertical space for taller door options and stacked storage where appropriate. However, the actual usable clearance depends on the selected door and building configuration.

The 20-ft width also makes drive-up access an important part of the design. An interior hallway would take up valuable floor space in a building this narrow, so exterior-facing doors are a more practical starting point for these layouts.

Before finalizing your design, confirm door sizes, clearances, partition placement and access for the vehicles your renters are likely to use.

Starting Smaller: 18x50, 20x40 and 20x60 Storage Buildings

A 20x110 building is not the only way to start a storage business. Smaller storage buildings can provide a more manageable starting point while you evaluate local demand, with the possibility of adding a larger building later if the site and business support expansion.

BuildingSizeAs listed on product pageUnit options
18x50 Storage Building900 sq. ft.4 roll-up doorsSmall multi-unit setup
20x40 Storage Unit800 sq. ft., 12 ft tallThree 10-ft roll-up doors, walk-in door and windows4 of 10x20 or 8 of 10x10
20x60 Storage Unit1,200 sq. ft.4 roll-up doors on the front and 2 on the side6 of 10x20 or 12 of 10x10
20x110 Self Storage Unit2,200 sq. ft., 12 ft tallSeparate units, each with a roll-up door11 to 44

Starting smaller, proving demand and then adding a 20x110 building is one possible growth strategy. Before choosing a building, compare the available land, expected rental demand, site preparation and the cost of expanding later.

Site Planning: Drive Lanes Along the Doors

Drive lanes need to be part of the site plan from the beginning. In a back-to-back layout, doors open on both 110-ft walls, so the property needs a level, drivable lane on each side with enough room for customers to pull up, maneuver and turn around with a truck or trailer.

A single-row layout generally needs a drive lane along one long wall, leaving the other side available for another use if site conditions allow. The final arrangement depends on the lot's shape, access points and local requirements.

The building pad matters, too. Review the site's grading, drainage and foundation requirements before ordering. For more information, see our guide to pouring a slab foundation for a carport or garage, then confirm the appropriate foundation plan with a qualified local contractor.

Permits, Zoning and Business Use

Self-storage is often considered a commercial use, so zoning approval, building permits, fire code requirements and a business license may apply. Requirements vary by county and state, and some locations have additional rules for access, setbacks and fire protection. Contact the local planning and building departments before ordering to confirm what the property and proposed business will require. Approval depends on the site's conditions and applicable regulations.

The SBA’s business startup guidance explains how business location affects zoning, licenses and permits. Commercial self-storage operators should also review the U.S. Access Board’s self-service storage accessibility standards and confirm which requirements apply to the project.

What Changes the Cost of a Storage Unit Building?

The cost to build metal storage units depends on several factors beyond the building's footprint. Review these items when requesting a quote:

Size and height: Larger dimensions and taller walls affect the building's materials and configuration.

Number of units: More partitions and door openings change the overall layout and construction requirements.

Roll-up doors: Door sizes, quantities and placement affect the final configuration.

Roof style: The selected roof design influences the building's specifications.

Insulation: Optional insulation adds to the project cost but may be useful for certain storage needs.

Local wind and snow requirements: Design loads, certifications and engineered drawings depend on the installation location.

Site preparation and anchoring: Grading, drainage, foundation work and anchoring must be considered separately when planning the full project budget.

The best way to compare options is to request a quote based on the intended unit mix, site location and required specifications.

Why Buy a 20x110 From Coast to Coast Carports?

Coast to Coast Carports has custom options available for the 20x110 Self Storage Unit. Use our 3D Designer to explore available configurations, colors and features, then confirm the final unit-door arrangement with a representative.

With us, you’ll get:

Included delivery and installation

Certification requirements vary by location

20-year rust-through warranty

30-day workmanship warranty

Dedicated customer service

Call (866) 681-7846 to discuss your storage layout and request a quote.

Frequently Asked Questions

How many 10x10 storage units fit in a 20x110 building?

A 20x110 building can fit a total of 22 units measuring 10x10, with 11 units along each long wall. The two rows sit back-to-back across the building's 20-ft width. This count does not account for partition thickness, end-wall framing or adjustments to door openings, so confirm the final layout in your quote.

How many 10x20 storage units fit in a 20x110 building?

A 20x110 building can fit 11 units measuring 10x20 in a single row, with doors along one long wall. Each unit uses 10 ft of the building's length and extends 20 ft across its width. The count may change once framing, partitions and door openings are finalized.

Is a 20x40 big enough to start a storage unit business?

Yes, a 20x40 can be a starter building for a small storage operation. Based on its 800-square-foot footprint, it can accommodate a layout of four 10x20 units or eight 10x10 units. Actual unit placement depends on the doors and partitions, so review the 20x40 Storage Unit before choosing a configuration. Starting small can help you assess local demand before considering a larger building.

Do storage unit building kits include partition walls?

The 20x110 product page lists separate units, each with its own large roll-up garage door. However, the listed specifications do not fully detail the partition-wall construction. Confirm the partition materials, layout and installation details in your quote before placing an order.

How tall is the 20x110 self storage building?

The listed 20x110 Self Storage Unit is 12 ft tall. The height provides vertical space for storage and may allow taller door configurations, depending on the final design. Height options can be discussed through Design Your Building, and the selected specifications should be confirmed before ordering.

Do I need a permit to build storage units?

Usually, a self-storage project requires review of local zoning and building regulations because it is often a commercial use. Requirements vary by county and state, and the rules may depend on the building's size, location and intended use. Contact the appropriate local departments before ordering rather than assuming the project will qualify for an exemption.

Can I finance a storage unit building?

Yes. Coast to Coast Carports lists financing as available for the 20x110 Self Storage Unit. Review our financing options for current eligibility details. Rent-To-Own is a separate program for eligible products, but the 20x110 product page currently lists it as unavailable. Request a quote to confirm the options for your project.

Conclusion

A 20x110 self-storage building provides 2,200 square feet of space for 11 to 44 theoretical units, depending on the unit sizes and layout. Before choosing a design, check local zoning, plan drive lanes and research storage demand in your market. Then Design Your Building, Request A Quote, or call Coast to Coast Carports at (866) 681-7846 to discuss your project.

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