Underwriting library
Multifamily underwriting guides
Practical field guides for turning rent rolls, operating statements, market evidence, debt, and assumptions into an underwrite your team can audit and defend.
Six practical guides
Follow the deal from documents to decision
How to analyze a multifamily rent roll
Reconcile units, occupancy, leases, loss-to-lease, and the bridge to a supportable year-one revenue forecast.
Read guideHow to read a T12
Validate the period, normalize the chart of accounts, investigate monthly variance, and build defensible NOI.
Read guideT12 vs. pro forma
Separate historical evidence from the forward case and make the NOI bridge visible to decision-makers.
Read guideMultifamily underwriting checklist
Move from mandate screen through operations, capital, debt, downside, and investment committee review.
Read guideMultifamily underwriting model Excel guide
Structure inputs, schedules, debt, returns, scenarios, and audit controls without hiding the investment thesis.
Read guideCommercial real estate IC memo template
Turn the underwrite into a source-backed recommendation with risks, sensitivities, and owned diligence items.
Read guidePut the method to work
The guides explain the judgment. Rook helps teams carry that judgment through actual deal documents and their own model.
Book a deal walkthroughMultifamily underwriting software
See how Rook works with the documents and Excel model your team already uses.
Explore workflowRent roll analyzer
Review unit-level lease data and carry cited facts into the underwriting workflow.
Explore workflowT12 analyzer
Normalize operating history and trace selected values back to their source.
Explore workflowInvestment committee memo generator
Prepare a decision-ready narrative from the same source-backed underwriting record.
Explore workflow