Related Products
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About
Piper is the AI operating system for preconstruction, built for general contractors' pursuit and estimating teams.
Piper connects drawings, specifications, addenda, quotes, estimates and company knowledge so teams can generate scopes, level bids and review risk — with every finding linked back to the drawing, spec clause or addendum it came from.
Scope Generation: turn drawings, specifications, addenda and company standards into source-backed trade scopes, so you know exactly what you are asking each trade to carry.
Bid Leveling: compare subcontractor bids against the intended scope, so the low number does not hide an expensive gap.
Final Bid Review: review the estimate against the project behind it, and focus senior attention on what still deserves judgment.
Survey: turn your company's experience into a repeatable survey that captures what the team learns on every project.
Piper is not a takeoff or estimating calculator, and it does not replace estimator judgment.
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About
PreConstruct AI is a web-based construction takeoff and estimating application for subcontractors bidding interior finishes, concrete, and wood framing work from PDF drawing sets. It reads drawing scales and uses plan notes, schedules, and partition legends to help identify and measure walls, ceilings, and concrete quantities. AI-assisted wall suggestions are in beta and are reviewed, approved, or adjusted by the estimator. Approved quantities become material lists for items such as studs, board, insulation, tape, compound, paint, concrete, and rebar, with calculations and drawing-sheet references. Estimators can apply their own material prices, create proposal PDFs, and export data to Excel or CSV. Projects can use imperial units, metric units, or both. The application supports estimating workflows; estimators review measurements and quantities before submitting a bid.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
General contractors — preconstruction, pursuit and estimating teams bidding commercial construction projects
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Audience
Estimators and owners at drywall, interior finishes, concrete, and wood-framing subcontractors who prepare bids from PDF construction drawings.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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API
Offers API
Not Supported
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API
Offers API
Not Supported
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Screenshots and VideosNo images available
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Pricing
$250/month
The Estimator plan is $250/month for the first 50 paying companies and $350/month after that. Annual subscriptions cost ten months’ price. One bid of up to 75 sheets is free, with no card required.
Free Version
Not Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Training
Documentation
Not Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Not Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationPiper
United States
piper-ai.com
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Company InformationPreConstruct AI
Founded: 2026
Canada
preconstructai.com
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Integrations
No info available.
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Integrations
No info available.
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