Addition site plans, ready for the permit conversation.
Show the existing house and the proposed addition together, with setbacks, lot coverage, and dimensions your building department can verify at a glance.
Built for property owners, installers, permit specialists, and design professionals.
Addition plan preview
Existing + proposed work
Project-specific example
Reviewer details illustrated
On the finished sheet
The reviewer sees how the addition fits the property.
Additions are checked against setbacks and maximum lot coverage. Because coverage is calculated from your confirmed geometry, the plan and the numbers always agree.
Property boundary with lot dimensions
Existing house footprint and structures
Proposed addition outlined against existing walls
Setbacks from the addition to property lines
Lot coverage before and after the addition
More project types
Start with the work you are planning.
Free to build and preview
Bring the property information. Build the plan with confidence.
No credit card · No CAD experience · Pay when you need a clean export