A21-821
821 sq ft ADU Plan – Permit Ready
- Square footage
- 821 sq ft
- Stories
- 2-Story
- Bedrooms
- 1 Bedroom
- Bathrooms
- 1.5 Bath
XE Engineering Inc.
Permit-ready plans. Engineered for California.
Structural engineering services, ADU and house plan sets, and 3D site planning tools for residential, commercial, and government projects across California, Nevada, Arizona, and Colorado.
Featured: A21-821
821 sq ft ADU Plan – Permit Ready
Services
Engineering disciplines we cover
Disciplined design, code-driven solutions, and clear communication on every project.
Structural Engineering
Permit-ready calcs and details for residential, commercial, and government projects.
Learn moreA-E Federal Services
GSA, DoD, and USACE project execution with full compliance oversight.
Learn moreShoring & Soil Retention
Excavation support design for tight-site urban construction.
Learn moreSoil Engineering
Geotechnical reports and foundation recommendations.
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Featured Plans
Permit-ready, instant download
A11-862
862 sq ft ADU Plan – Permit Ready
- Square footage
- 862 sq ft
- Stories
- 1-Story
- Bedrooms
- 1 Bedroom
- Bathrooms
- 1 Bath
H12-1461
1461 sq ft 2-Bedroom House Plan – Permit Ready
- Square footage
- 1,461 sq ft
- Stories
- 1-Story
- Bedrooms
- 2 Bedrooms
- Bathrooms
- 1 Bath
H14-2039
2039 sq ft 4-Bedroom House Plan – Permit Ready
- Square footage
- 2,039 sq ft
- Stories
- 1-Story
- Bedrooms
- 4 Bedrooms
- Bathrooms
- 2 Bath
3D Site Planner
Visualize your project on the actual parcel.
Enter your property address. Drop one of our plans onto the parcel. See setbacks, height limits, and code-compliance validations in real time.
Launch the planner- 1Search your parcel by address
- 2Drop in any XE plan footprint
- 3See setback compliance and 3D massing
- 4Order a custom site plan deliverable