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Excel AI Use Cases for Commercial Real Estate

AI workflows that live in Excel: proformas, rent rolls, lease abstract templates and model audits.

Other tools:ClaudeChatGPTGrok BotManus

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Five-step workflow diagram: capture screenshots of the sources and uses and proforma, load them into Claude in Excel, paste the rent roll and flag missing assumptions, supply the waterfall terms, then spot-check formulas.
Underwriting

How to Rebuild a Real Estate Proforma in Claude for Excel

Rebuild a sponsor proforma in Claude for Excel from screenshots and a rent roll in about 10 minutes. Workflow, copyable prompt, and what to check.

Credit: @LeylaKuni · Oct 19, 2026 · 6 min read
Five-step workflow diagram for AI lease abstraction: start from a trusted lease abstract template, load the lease, amendments and exhibits, populate fields with section citations, request each exhibit on its own tab, then check rent, dates, options and recoveries.
Leasing

AI Lease Abstraction: Fill Your Own Lease Abstract Template With Claude or ChatGPT

AI lease abstraction: a retail acquisitions VP fills a vendor-built Excel template with Claude and ChatGPT. Workflow, prompt, and checks.

Credit: @ClarenceWongCRE · Oct 19, 2026 · 6 min read
Five-step workflow diagram for AI rent roll cleanup: connect the rent roll, map columns to standard fields, keep original values, separate vacant units and log ambiguous charge codes, then review a CSV-ready table and exception log.
Underwriting

How to Clean Up a Rent Roll With AI: A Copyable Prompt

Clean a messy rent roll with one AI prompt: map columns to a standard template, keep originals, separate vacants, and get an exception log.

Credit: @ZanirHabib · Oct 19, 2026 · 6 min read
Workflow by Ben Michel: four-step diagram for multifamily underwriting with Claude Cowork. Step 1, set up Cowork with one dedicated folder and approval before any file change. Step 2, walk it through the OM inputs cell by cell, such as the address in cell C11. Step 3, build the unit mix from the rent roll one column at a time and map T12 lines to standard categories. Step 4, save the session as a Skill so the next deal takes about 5 minutes.
Underwriting

Multifamily Underwriting With Claude Cowork: How One Investor Trained It on His Own Spreadsheet

Multifamily underwriting with Claude Cowork: one investor taught it his model from the OM, rent roll and T12, saved a Skill, and now fills it in 5 minutes.

Credit: @jbrenizer · Oct 19, 2026 · 6 min read
Five-step loop diagram for reviewing a real estate underwriting model: start from a trusted proforma, Claude in Excel builds an audit tab, ChatGPT runs a brutal peer review for an institutional LP, the critique goes back to Claude, then iterate until a person signs off.
Underwriting

How to Review a Real Estate Underwriting Model With Claude and ChatGPT

Real estate underwriting review: Claude builds an audit tab, ChatGPT peer-reviews like an institutional associate, then back to Claude. Prompts and checks.

Credit: @Uclandru · Oct 19, 2026 · 6 min read

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