IOS Valuation: Rent Per Acre, Cap Rates & Price Per Acre

Valuing industrial outdoor storage (IOS) blends conventional income-property analysis with land-based metrics, because the asset is part income stream and part scarce land. The most reliable approach triangulates several methods rather than leaning on any one. Here are the tools and how they fit together.

The income approach and cap rates

The core method capitalizes net operating income at a market capitalization rate: value equals NOI divided by the cap rate. Cap rates for IOS vary with location quality, tenant credit, lease term and structure, and the interest-rate environment. Well-located, leased, lower-risk yards command lower cap rates and higher values; smaller, multi-tenant, value-add, or weaker-location yards trade at higher cap rates to compensate for management intensity and lease-up risk. Because IOS is thinly traded in some submarkets, cap rates must be checked against current comparable sales rather than assumed.

Rent per acre and rent per space

Rent per acre (or per usable acre) is the primary way IOS income is benchmarked, letting you compare a yard's pricing power across sites and submarkets and judge whether in-place rents sit above or below market. The gap between in-place and market rent per acre defines much of the value-add opportunity. For truck and trailer parking, income is often analyzed as rent per space (per stall per month), which ties directly to layout efficiency — how many usable stalls fit per acre. Converting between the two via stalls per acre is routine, and it connects valuation back to the physical realities covered in IOS Site Selection.

Price per usable acre

Price per acre is the headline land metric, but the refinement that matters is price per usable acre — price relative to the leasable, drivable area after setbacks, drainage, easements, and unusable ground. Gross-acre pricing can badly overstate what actually produces income, so disciplined buyers always convert to usable acres before comparing deals or to alternative industrial land values.

Replacement cost and land value

Two more checks anchor the analysis. Replacement cost asks what it would take to recreate the asset — acquire comparable land, entitle it, and build the surface, fencing, drainage, and improvements. The key insight is that in supply-constrained markets the entitlement often cannot be replaced at any price, which is why entitled yards can trade above the cost of their physical improvements. Underlying land value for the highest and best use sets a downside floor and can create redevelopment upside; because IOS carries little depreciable or obsolescing building value, its worth is anchored in land and entitlement, which supports value retention and gives owners multiple exits. How that land basis is treated for taxes is covered in IOS Tax Strategies.

Putting it together

The disciplined approach runs the income method for operating value, cross-checks against price and rent per usable acre and recent comparable sales, sanity-tests against replacement cost and underlying land value, and reconciles the methods into a value range. Relying on any single metric — especially a thin set of cap-rate comps — invites mispricing in a market as location-specific as IOS. For the capital structure that sits on top of the value, see IOS Financing.

Frequently Asked Questions

How are IOS properties valued?

IOS is valued primarily by capitalizing net operating income at a market cap rate, and cross-checked against price per usable acre, rent per acre, rent per space, replacement cost, and the underlying land value for the highest and best use. Because there are few buildings to depreciate, much of the value sits in land and entitlement, and triangulating several methods is more reliable than any single metric.

What is rent per acre in IOS?

Rent per acre is the standard way IOS income is quoted and compared, expressed as monthly or annual rent for each usable acre of yard. It lets owners benchmark pricing power across sites and submarkets and gauge whether in-place rents are above or below market. Usable acres matter more than gross acres, and the gap between in-place and market rent per acre defines much of the value-add opportunity.

What cap rates do IOS properties trade at?

IOS cap rates vary with location quality, tenant credit, lease term and structure, and the interest-rate environment. Well-located, leased, lower-risk IOS has traded at cap rates competitive with other industrial product, while smaller, multi-tenant, or value-add yards trade at higher cap rates to compensate for management intensity and lease-up risk. Cap rates move with capital markets and should be verified against current comparable sales.

What is price per usable acre?

Price per usable acre expresses the purchase price relative to the leasable, drivable land after setbacks, drainage, easements, and unusable area. It is a more honest comparison than price per gross acre, which can badly overstate the income-producing portion of a site, and it grounds the analysis in the scarce resource at the center of the asset.

Why does land value matter in IOS valuation?

Because IOS carries little building value to depreciate or become obsolete, its worth is anchored in land and entitlement. The land's value for its highest and best use sets a downside floor and can create redevelopment upside, giving owners a menu of exits — hold for income, sell to a user, or redevelop — and supporting value retention through cycles.

Want a valuation read on an IOS yard?

Carson Jones is a licensed commercial real estate advisor and business broker with eXp Commercial. For IOS valuations, broker opinions of value, acquisitions and dispositions, and investment advisory, get a clear, comparable read on what a yard is worth.

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Related IOS guides

Educational only — not legal, tax, environmental, or investment advice. Cap rates, rents, and values vary by market and change over time; verify against current comparable sales and engage qualified professionals. Carson Jones is a licensed commercial real estate advisor with eXp Commercial. Last updated June 19, 2026.

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Carson Jones is the host of Carson's Corner: Commercial Real Estate, author of The Red Flag Playbook, a licensed commercial real estate advisor and business broker, and the founder of Passive Investments. With 18 years of experience as an entrepreneur and 12 years specializing in passive investing, Carson works with high-net-worth individuals, family offices, business owners, and sophisticated investors as a broker, principal, and capital partner.

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This article is for informational and educational purposes only and should not be considered tax, legal, accounting, or investment advice. Tax laws are complex and change frequently. Always consult your CPA, attorney, and financial advisor before making any financial, tax, or investment decisions. All investments and property ownership carry risk, including the potential loss of principal. Carson Jones, Passive Investments, and the author make no guarantees regarding the tax treatment, performance, or outcome of any specific investment strategy described in this article.