Construction Cost Estimating Software
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Zebel helps general contractors and developers turn historical project data into a structured database, build reliable estimates faster, and catch costly mistakes before bid day.

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Estimating solutions trusted by leading construction companies and real estate developers.

If Your Preconstruction System Looks Like This...

A Junk Drawer of Cost History
A Budget Spreadsheet
A Bid Tab Spreadsheet
A Bidding Platform
A Bunch of Emails
And Whatever the Estimator Remembers

No wonder estimates take weeks and numbers get missed

This isn’t a system. It’s a survival strategy.

General Contractors & Developers

Replace Spreadsheet Chaos with a Modern Estimating Software

Turn Past Projects Into Estimating Intelligence

Zebel organizes your historical project data into a structured cost database you can use for every new estimate.

Build Reliable Estimates Faster

Create conceptual budgets from historical data and detailed estimates with sub bid leveling and GCs/GRs.

Catch What Your Estimate Missed

Automatically detect scope gaps, inconsistencies, and anomalies with Zebel AI Oversight.

case study

UrbanCore Construction

Read full case study

Zebel has definitely helped us do more estimates with less people and know that they're going to be more accurate.

Integrating AI into pre-construction in our business with Zebel has set us apart from our competitors because it is so cutting edge and it's helping nail down the details.

It's helped us with our win rate and strengthen the relationship with clients, because they're able to come to us early and then we can help them work through the process from very early on.

— Andy Beach

Principal

How Precon Pros Use Zebel

Zebel connects your historical cost data, estimating workflows, and AI oversight into one system built for precon pros.

Step 1

Import and Structure Your Historical Project Data

Send us your past estimates and finished projects data. We do the heavy lifting work of data clean up and build a cost database, customized for you.

Step 2

Build Budgets Using Real Cost History

Create parametric conceptual budgets using unit costs from your historical projects at a level far more granular than simple CSI division or $/GSF benchmarks.

Step 3

Turn Budgets into Detailed Estimates

Spread and level sub bids and push them into your estimate. Add detailed GRs/GCs based on project schedule, salaries, and project team composition.

Step 4

Automatically Review Your Estimate

Zebel’s AI reviews your estimate to flag scope gaps, anomalies, and potential mistakes before bid day.

Fast Track Your Precon Operation Upgrade

We’ve crafted a solution born from our firsthand experiences as precon professionals. Elevating it to new heights, we’re proud to unveil Zebel—an amalgamation of years of expertise and dedicated R&D, now accessible to all.

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Construction Cost Estimating Software Powered by your data. Checked by AI.