Claude Skill: Ground Lease Valuation - Use AI with Our Ground Lease Valuation Excel Model

Adventures in CRE (A.CRE)
Adventures in CRE (A.CRE)May 5, 2026

Why It Matters

By automating data entry and calculation steps, the skill accelerates ground‑lease valuations while preserving the need for expert oversight, enabling quicker investment decisions.

Key Takeaways

  • AI skill streamlines ground lease valuation within Excel, not replacing fundamentals.
  • Install skill via Claude’s “manage skills” and upload the file.
  • Skill prompts for lease terms, market cap, discount rate inputs.
  • Live Excel integration updates cells and logs changes automatically.
  • Preliminary valuation shows $85.8M lease‑fee at 6.5% discount, placeholders pending.

Summary

The video demonstrates an AI‑driven skill that integrates with Claude and an Excel ground‑lease valuation model, allowing users to run valuations directly within the spreadsheet. It emphasizes that the tool augments—not replaces—fundamental real‑estate financial knowledge.

Installation is straightforward: users add the skill via Claude’s “manage skills” menu, upload the skill file, and then invoke it either in a chat thread or through the Claude‑for‑Excel add‑in. Once active, the skill asks for key inputs—lease terms, market cap rate, discount rate—and clarifies the user’s role (lender, owner, etc.) before populating the model.

During the demo, the AI extracts lease details (e.g., 10% compounding increase every ten years) and inserts placeholder values for NOI and market cap. With a 6.5% discount rate, it calculates an initial lease‑fee value of $85.8 million, noting that this figure will shift once actual inputs are entered. All changes are logged in a Claude‑generated file for auditability.

The integration promises faster, more reliable ground‑lease analyses for lenders, investors, and owners, but it still requires users to understand present‑value concepts and real‑estate fundamentals to validate the outputs.

Original Description

In this video, I walk through how to use the Claude Skill built for the A.CRE Ground Lease Valuation Model. This AI skill is designed to help users work more efficiently with the model, while still requiring a solid understanding of real estate financial modeling, present value, and ground lease valuation. To download the Ground Lease Valuation Model and AI Skill, visit the accompanying blog post: https://www.adventuresincre.com/ground-lease-valuation-model/
00:00 - Introduction and Important Disclaimer
00:57 - What You Need to Use the AI Skill
01:20 - Installing the Ground Lease Valuation Skill in Claude
02:00 - Using the Skill in Chat vs. Claude in Excel
03:18 - Setting Up a Hypothetical Ground Lease Valuation
04:30 - Uploading the Lease and Calling the Skill
05:48 - Abstracting Lease Terms and Choosing a Workflow
06:51 - Reviewing Lease Details and Required Market Assumptions
08:26 - Populating the Ground Lease Valuation Model
09:26 - Reviewing Outputs and Model Calculations
10:40 - Conclusion and Request for Feedback
View all of the models in our Library of Real Estate Excel models: https://www.adventuresincre.com/library-real-estate-excel-models/
Learn to build institutional-quality real estate models: https://www.adventuresincre.com/accelerator/

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