From Weeks to Minutes: How AI Speeds CRE Underwriting

Logan Grooms
May 23, 2025

“Teams using AI underwriting finish their CRE analysis in as little as 30 minutes, shaving off up to 98 percent of the time compared to traditional spreadsheets.”

Imagine wrapping up a full CRE analysis in under 30 minutes instead of weeks. That’s exactly what happens when you swap spreadsheets for AI underwriting. Teams using AI underwriting finish their CRE analysis in as little as 30 minutes, shaving off up to 98 percent of the time compared to traditional methods.

This substantial reduction in analysis time highlights a notable shift in how quickly deal velocity can be achieved by integrating intelligent automation into workflows. This article will examine why spreadsheets often prolong underwriting into weeks, how AI capabilities compress this process into minutes, and illustrate these points with a real-world example of a firm closing a deal weeks ahead of schedule.

The Inefficiencies of Traditional CRE Underwriting Workflows

Manual commercial real estate underwriting processes are characterized by several time-consuming and error-prone steps. Analysts typically engage in:

  • Manual Data Collection: The exhaustive task of sourcing rent rolls, bank statements, and comparable sales data from various, often disparate, documents and digital platforms.
  • Complex Financial Modeling: Constructing discounted cash flow (DCF) models in spreadsheets like Excel, a process frequently susceptible to formula errors, broken links between tabs, and version control challenges.
  • Extensive Manual Auditing: Dedicating significant time to meticulously auditing each cell and entry to identify inaccuracies or inconsistencies, which is crucial but inefficient.

This traditional approach often extends the underwriting process from days into weeks. Common challenges include managing multiple document versions, overlooking critical line items, and the inherent potential for human error. Such inefficiencies not only impede deal progression but can also result in missed opportunities in a competitive real estate market.

How AI Elevates Commercial Real Estate Underwriting

AI underwriting introduces capabilities that fundamentally enhance the efficiency and accuracy of commercial real estate analysis:

  1. Automated Data Extraction: Leveraging advanced technologies such as Optical Character Recognition (OCR) and Natural Language Processing (NLP), AI systems can efficiently ingest various document formats (e.g., PDFs, spreadsheets). This enables automatic extraction of key data points like rent rolls, financial statements, and lease terms within seconds.
  2. Real-Time Market Data Integration: AI platforms integrate with live data feeds, providing immediate access to current cap rates, rent comparables, and vacancy data. This capability ensures that all analyses are consistently based on the most up-to-date market information.
  3. Automated Financial Model Generation and Validation: Preconfigured and adaptive DCF templates are automatically populated and adjusted based on input data. These systems often incorporate built-in audit checks that identify potential errors, significantly reducing the manual effort typically required for model validation.

These integrated features collectively minimize manual input, drastically reduce the incidence of errors, and ensure all team members work with consistent, accurate data, thereby accelerating the overall underwriting process.

Case Study: River Stone Capital's Accelerated Deal Closing

To illustrate the practical impact of AI underwriting, consider the experience of River Stone Capital, a mid-sized real estate fund specializing in office and mixed-use properties. The firm faced a stringent deadline to underwrite a critical acquisition for a board presentation.

The Challenge: The team needed to compile eight comparable sales, update rent rolls, and construct a full three-stage cash flow model—all within 72 hours. Under traditional methods, this workload would typically demand two weeks.

The Outcome: By leveraging AI underwriting, River Stone Capital completed their comprehensive CRE analysis in just 48 minutes. This efficiency allowed them to present to their board the same afternoon and successfully close the deal a full two weeks ahead of their competitors. The time savings gained not only facilitated smooth financing finalization but also provided the flexibility to evaluate a second opportunity without operational strain.

The Technological Foundations of AI Underwriting

The rapid and accurate performance of AI underwriting solutions is underpinned by several advanced technologies:

  • OCR and Natural Language Processing (NLP): These technologies enable the system to interpret and convert unstructured data from scanned documents and text files into structured, usable data for analysis.
  • Live Market Data Integration: Through APIs (Application Programming Interfaces), real-time data feeds for cap rates, rent comparables, and neighborhood trends are streamed directly into financial models, ensuring timely and relevant insights.
  • Adaptive Model Templates: These are pre-configured financial templates that automatically adjust to specific assumptions and incorporate integrated error-checking routines, thereby eliminating the need for manual audit development from scratch.

These technological components collaborate to deliver precise CRE analysis at a significantly increased speed and reliability.

Strategic Benefits of Adopting AI in CRE Underwriting

Implementing AI underwriting extends beyond mere task automation; it unlocks significant strategic advantages for real estate firms:

  • Increased Deal Velocity: By reducing CRE analysis time from weeks to minutes, firms can evaluate a greater volume of opportunities, thereby accelerating their overall deal pipeline.
  • Improved Accuracy: Automated processes and real-time data feeds substantially reduce the potential for human error, leading to more reliable financial models and forecasts.
  • Enhanced Investor Confidence: The ability to generate fast, reliable, and polished proformas and forecasts can strengthen investor confidence and facilitate quicker capital deployment in real estate investments.

Ultimately, faster and more accurate deal analysis directly contributes to higher success rates and stronger financial returns for commercial real estate portfolios.

Integrating AI Underwriting into Your Existing Workflow

Transitioning to AI underwriting can be a structured and manageable process. Here's a practical approach for adoption:

  1. Current Workflow Audit: Begin by meticulously mapping out your current manual steps in CRE analysis. Identify specific areas—such as data entry, reconciliation, or auditing—where inefficiencies or bottlenecks occur.
  2. Pilot Program Implementation: Select a single transaction for a pilot. Run this deal through your existing underwriting process, and then concurrently with an AI underwriting solution. Compare the time expenditure and error rates between the two methods to clearly quantify the benefits.
  3. Team Training and Data Quality Focus: Provide comprehensive training for analysts on how to effectively validate data outputs from AI systems and interpret the results. Emphasize the critical importance of input data quality, as even with advanced AI, the principle of "garbage in, garbage out" still applies.

A focused pilot program can quickly demonstrate value and build organizational confidence in the new technology.

Reclaim Your Time

The 98 percent time savings realized through AI underwriting represents a significant opportunity to move beyond the limitations of traditional, manual processes in commercial real estate. By compressing the underwriting timeline from weeks to minutes, real estate professionals can reclaim valuable time and resources. This freed bandwidth can then be redirected towards strategic planning, cultivating essential investor relationships, or actively pursuing new market opportunities.

Understanding these capabilities can help real estate firms make informed decisions about technology adoption to enhance their competitive edge.

Join over 1,500 investors processing tens of thousands of underwritings each month.

Accelerate your deal flow and gain data-driven confidence with Cactus’s AI-powered underwriting and ditch spreadsheets for good.
Underwrite Smarter: The Cactus Blueprint: Discover our comprehensive CRE underwriting resource, featuring expert articles on rent-roll parsing, dynamic DCF modeling, strategic risk management, and more.
Read guides