Gross scheduled income

What a property would earn if every unit were rented at market rent all year, with no vacancy. A theoretical number used for underwriting.

Also called GSI · Investment terms · Updated September 2026

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Part 1 of 4

Why a seller cares

Gross scheduled income is what a rental would earn fully occupied at market rent, a theoretical top line. A buyer's pro forma starts there and subtracts; a seller quoting it as actual income will be caught by the T-12.

Part 2 of 4

A simple example

Your fourplex's units would rent for $1,200 each at market: $57,600 a year scheduled. Actual collections last year were $50,400.

Gross scheduled income: a simple example
The numberWhat it is
Gross scheduled income, $57,600Every unit, every month, at market
Actual collections, $50,400What happened, with vacancy and a below-market tenant
What the buyer underwritesSomewhere between, with vacancy subtracted

GSI is the ceiling. Buyers value the floor.

Part 3 of 4

What people get wrong

That scheduled means collected. Scheduled is what could be; the trailing twelve months is what was.

Part 4 of 4 · where to read next

Where it appears in the sale

What a definition is, and what it isn't

Keighbor is a software company, not a law firm, brokerage, or tax adviser. This is general information, not legal, tax, financial, or real estate advice about your sale. Your situation may differ. Before acting on a contract, disclosure, title, tax, or pricing question, ask an appropriately licensed professional in your state.

Written and researched by Keighbor Research · drawn from the reference glossary · how we research and check what we publish

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