Homeowner doing a major bathroom remodel needs an easy, free method to create detailed plumbing diagrams for permit inspection.

No easy, free software exists for creating professional plumbing diagrams that meet permit requirements.

Opp. Score

Severity

3Medium

Willingness to Pay

none

Added

May 7, 2026

App Concept

PlumbDraw Lite

PlumbDraw Lite is a free, browser-based diagramming tool specifically for plumbing systems. It provides drag-and-drop plumbing symbols, automatic pipe routing, and permit-ready templates, making it easy for DIYers to create code-compliant plans without expensive CAD software.

Key Features

Drag-and-drop plumbing fixture and piping symbols
Pre-built templates for bathrooms, kitchens, and whole houses
Automatic pipe size and slope annotations per code
Export to PDF and print-ready for permit submission

Target Users: DIY homeowners and small contractors doing bathroom or kitchen remodels

Revenue Model: Freemium with $9.99/mo pro tier for additional templates and export options

Part of App Idea

Homeowner doing a major bathroom remodel needs an easy, free method to create detailed plumbing diagrams for permit inspection.

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