Single-Tenant Credit Analysis for NNN Deals
Single-tenant credit analysis NNN deals hinges on tenant quality — investment-grade vs non-rated tenants can swing value by $2.5M on identical rent, shown with a worked example.
By Michael Laudino, LFO Capital LLC · Published 2026-06-17
Single-tenant credit analysis NNN deals come down to one question: how certain is the rent? On a single-tenant net lease the entire income stream depends on one tenant, so credit quality drives the cap rate — and on identical rent, an investment-grade tenant and a non-rated tenant can differ in value by millions.
When a building has one tenant on a NNN lease, you are underwriting the tenant as much as the real estate. The lease passes operating expenses through, so what remains is a clean rent obligation backed by a single credit. Investors pay a tighter cap rate for income they believe is durable, which is why an investment-grade tenant — a public, rated, financially strong company — trades at a lower cap than a non-rated tenant whose ability to pay is harder to verify. The NNN single-tenant cap rate teardown walks through how the market translates credit into basis points.
For non-rated tenants, the absence of a public rating is not a verdict — it is a prompt to do the work. Underwrite rent coverage (can the location's cash flow comfortably cover the rent?), the lease term remaining, the strength of any corporate or personal guaranty, and how essential the site is to the tenant's operations. A mission-critical distribution hub with strong coverage on a long lease can be a safer income stream than a rated tenant in a fungible box — but you have to prove it rather than assume it.
The takeaway for pricing: hold the rent and the real estate constant, and credit alone moves the value. That is the entire premise of single-tenant net-lease investing, and it is why a sale-leaseback is priced first on the operating company behind the lease and only second on the building. Run more industrial playbooks from the industrial hub.
Worked example — same rent, two credit profiles
| Line | Amount |
|---|---|
| NNN base rent (both) | $700,000 |
| Investment-grade tenant cap rate | 6.5% |
| Investment-grade value (÷ 6.5%) | $10,769,000 |
| Non-rated tenant cap rate | 8.5% |
| Non-rated value (÷ 8.5%) | $8,235,000 |
| Value driven by credit | ≈ $2,534,000 |
Formula: value = rent ÷ cap rate. Investment-grade = $700,000 ÷ 0.065 = $10,769,000. Non-rated = $700,000 ÷ 0.085 = $8,235,000. Credit alone drives ≈ $2.5M of value on identical rent.
The discipline: on a single-tenant NNN deal, the cap rate is a credit verdict — underwrite the tenant before you underwrite the building.
Frequently asked questions
What is single-tenant credit analysis?
It is the assessment of a single tenant's ability to keep paying rent over the lease term. On a NNN deal the entire income stream depends on one tenant, so its credit quality directly drives the cap rate and the value.
Why does tenant credit change the cap rate?
Investors accept a lower yield for income they believe is more certain. An investment-grade tenant prices at a tighter cap rate than a non-rated tenant, and a tighter cap rate on the same rent produces a higher value.
How do I evaluate a non-rated tenant?
Look past the absence of a public rating to the fundamentals — rent coverage from store-level or corporate cash flow, lease term remaining, guaranty strength, and the criticality of the location to the tenant's operations.
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