How We're Building a Custom AI Estimator for Construction Projects (Using GPT Tools)

How We're Building a Custom AI Estimator for Construction Projects (Using GPT Tools)

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Publish Date:
15 December, 2025
Category:
Contractor Projects
Video License
Standard License
Imported From:
Youtube

Are you ready to revolutionize the way you estimate construction costs? In this video, we reveal how we're building a *custom AI estimator GPT* tool inside The Rehabber’s Playbook to automate one of the most critical - and expensive - parts of the rehab and new construction business.

We're documenting our week-by-week journey to develop an AI tool that produces accurate, line-item-level renovation and new construction budgets, customized with real data and company-specific pricing.

*What You’ll See:*

- A side-by-side comparison of *ChatGPT vs our custom GPT* estimator
- How our AI uses company-specific costs and scope breakdowns
- Real-time demos estimating a *full gut renovation* & *new construction*
- The master Notion + prompt engineering workflow behind it all
- Why precision in line items and assumptions matter more than ever

Whether you're a real estate investor, builder, flipper, or contractor - this walkthrough will show you *how to build your own estimator* and take control of your project budgets.

👷‍♂️ Want to try the estimator GPT or get help building yours?
Join The Rehabber’s Playbook and get access to our documents & setup

*Explore the membership &*
*Book a call to see if TRP's right for you* → https://www.therehabbersplaybook.com/TRP-membership

🛠️ Watch Part 1 Here: https://youtu.be/tp_Fupc6CXY

🔔 Subscribe for weekly AI tool updates for construction & real estate pros.

⏱️ *Timestamps*

00:00 – Why We’re Building an AI Estimator for Construction Projects
01:21 – Testing a Basic ChatGPT Prompt for Renovation Estimates
04:50 – Demo: Our Custom GPT Estimator in Action
08:32 – Company-Specific Data & Detailed Assumptions
09:54 – Inside Our Entire System
13:11 – New Construction Costs
16:12 – Master Estimating Guide
17:44 – Summary vs. Detailed Budgets
19:36 – Access the GPT, Join the Journey & What’s Coming Next