Rent roll analysis is the lease-by-lease review of a property's current rent schedule to measure income quality, occupancy, and risk. It reads each unit's tenant, in-place rent, lease term, and payment status to surface loss to lease, expiration concentration, and delinquency before those factors are priced into an acquisition or an operating plan.
How Rent Roll Analysis Works
Rent roll analysis works by turning a static lease list into a set of income and risk metrics. The analyst reconciles total in-place rent against the T-12 income statement, then computes occupancy, loss to lease against market rent, the lease expiration schedule, and delinquency. Each metric answers a specific question about how durable the property's income is.
Per AcquiOS, a rent roll is a current snapshot of every lease: who occupies each unit, what they pay, and when the lease ends. The analysis reads beyond the totals. It flags units where contract rent sits below market, tenants who consistently pay late, and clusters of leases rolling in the same quarter. Each field on the rent roll maps to a metric the underwriter or asset manager needs.
Rent roll field | Metric it feeds |
In-place rent vs market rent | Loss to lease |
Occupied vs vacant units | Physical and economic occupancy |
Lease start and end dates | Expiration schedule and rollover risk |
Balance due and aging | Delinquency and bad debt exposure |
Why Rent Roll Analysis Matters
Rent roll analysis matters because the rent roll is the primary source of a property's revenue, and errors or optimism there flow into every valuation. A rent roll that looks fully occupied can still carry weak economic occupancy if tenants are delinquent or on concessions. Reading the rent roll correctly separates collected income from scheduled income.
The most common source of upside and the most common trap is loss to lease. Per Tactica RES, loss to lease is the gap between market rent and in-place rent, and per multiple multifamily operators a 5% to 15% gap is common in value-add deals. That gap is real upside only if the market supports the higher rent and the leases roll fast enough to capture it. Underwriting the full gap on day one, before any lease turns, is how a rent roll analysis overstates value.
Example
Consider a 100-unit apartment property. The rent roll shows 95 units occupied at an average in-place rent of $1,400, while comparable market rent is $1,550. Physical occupancy is 95%, but three occupied units are 60-plus days delinquent.
Metric | Calculation | Result |
Gross potential rent (market) | 100 x $1,550 x 12 | $1,860,000 |
In-place scheduled rent | 95 x $1,400 x 12 | $1,596,000 |
Loss to lease | ($1,550 - $1,400) x 95 x 12 | $171,000 |
Physical occupancy | 95 / 100 | 95.0% |
Delinquent scheduled rent | 3 x $1,400 x 12 | $50,400 |
Economic occupancy | ($1,596,000 - $50,400) / $1,860,000 | 83.1% |
The property looks 95% occupied, but economic occupancy is 83.1% once loss to lease and delinquency are removed. The $171,000 of loss to lease is a recovery opportunity only if leases roll and market rent holds. At a 5.5% cap rate, closing that gap adds roughly $3,100,000 of value. Underwriting it on day one, before a single lease turns, is the error the analysis is meant to catch.
Variations and Edge Cases
Rent roll analysis adapts to property type and lease structure. The table below shows where the analysis shifts.
Variant | What the analysis focuses on |
Multifamily | Loss to lease, unit-level delinquency, concessions, short lease terms |
Office and retail | Weighted average lease term, expiration concentration, tenant credit |
Triple-net | Recovery reconciliation, tenant credit, remaining term and options |
Value-add | Renovated vs classic unit premiums, projected lease-up curve |
Rent Roll Analysis vs T-12 Review
Rent roll analysis is often confused with a T-12 review, but they measure different things. Rent roll analysis reads the current, forward-looking lease schedule: what is contracted today and what will roll. A T-12 review reads the trailing twelve months of actual income and expenses: what the property already collected and spent. The rent roll is a snapshot; the T-12 is a history.
The two are cross-checks, not substitutes. The rent roll shows scheduled rent; the T-12 shows collected rent, and the gap between them exposes concessions, delinquency, and bad debt the rent roll alone can hide. Per multifamily practice, both documents are required to underwrite a deal accurately, because a clean rent roll paired with soft T-12 collections is a warning the analysis is built to find.
Frequently Asked Questions
What is rent roll analysis?Rent roll analysis is the lease-by-lease review of a property's current rent schedule to measure income quality, occupancy, and risk. It surfaces loss to lease, lease expiration concentration, and delinquency before they are priced into a deal.
What metrics come from a rent roll analysis?A rent roll analysis produces physical and economic occupancy, loss to lease against market rent, the lease expiration schedule, weighted average lease term, and delinquency exposure. These metrics feed the underwriting model and the asset management plan.
What is the difference between a rent roll and a T-12?A rent roll is a current snapshot of every lease and its contracted rent, while a T-12 is the trailing twelve-month record of actual income and expenses. The rent roll shows what is scheduled; the T-12 shows what was collected. Both are needed to underwrite accurately.
Related Terms
Rent Roll
Loss to Lease
T-12
Economic Occupancy
Underwriting Model