Effective Rent

The Effective Rent Formula

Effective Rent = (Total Lease Value − Total Concessions) / Lease Term in Months. For example, a 12-month lease at $1,500/month ($18,000 total) with one month free ($1,500 concession) yields an effective rent of ($18,000 − $1,500) / 12 = $1,375 per month. If the tenant also received a $600 move-in credit, effective rent drops further to ($18,000 − $2,100) / 12 = $1,325. This calculation strips away the marketing veneer and shows what the landlord actually collects per month over the life of the lease.

Why Effective Rent Matters More Than Face Rent

Face rent (the number on the lease) is what gets advertised, quoted in market surveys, and used in comps. But effective rent is what hits your bank account. Two properties advertising $1,500/month rents can have dramatically different effective rents if one is offering two months free while the other offers no concessions. An investor analyzing a property's income potential must look past face rents to effective rents for an accurate revenue picture. Lenders increasingly focus on effective rents when underwriting loans, especially in markets where concession activity is elevated.

Using Effective Rent for Comparison

When shopping for properties or analyzing a market, effective rent is the apples-to-apples comparison metric. Property A advertises $1,600/month with no concessions (effective rent: $1,600). Property B advertises $1,700/month with two months free on a 12-month lease (effective rent: $1,417). Property B looks more expensive at face value but actually generates $183 less per month in real revenue. Market surveys that only report face rents can paint a misleading picture of market strength — always ask about concession levels to understand true effective rents across the competitive set.

Impact on Property Valuation

Effective rent flows directly into income, which flows into NOI, which drives property value through cap rate-based valuation. A 100-unit building where face rents average $1,500 but effective rents average $1,375 (due to one month free concessions) has $150,000 less annual revenue than the face-rent analysis suggests. At a 6% cap rate, that $150,000 income gap represents a $2,500,000 reduction in property value. When underwriting an acquisition, always calculate NOI using effective rents, not face rents. Sellers and brokers will present the rosiest numbers — it is the buyer's job to normalize for concessions.

Tracking Effective Rent Trends

Effective rent trends tell a more accurate story about market health than face rent trends. In a softening market, face rents may hold steady or even increase slightly while concessions grow, masking a decline in effective rents. Conversely, in a strengthening market, concessions burn off before face rents rise — effective rents improve first. Tracking your own portfolio's effective rent per unit over time reveals whether your revenue is genuinely growing or whether concessions are eroding your gains. Quarterly comparison of face rent vs. effective rent across your portfolio provides early warning of market shifts.