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California ADU design library

Explore ADU concepts by style, size, and city

Browse illustrative directions for detached, attached, conversion, compact, and larger ADUs. Every image is a concept—not a completed project claim.

20 concept directions20 location contextsIllustrative visual references
Two-story luxury ADU concept visualization
Concept visualization
Compact backyard ADU concept visualization
ADU interior concept visualization
Find a relevant concept direction

Concept directions

Showing 9 of 20 matching concepts

Detached ADU concept visualization for San Jose
Concept DirectionConcept visualization
San Jose

San Jose Detached ADU Concept

Illustrative 800 sq ft detached adu direction shown in a San Jose context. This is not a completed project, permit drawing, or property-specific design.

800 SF2 bed1 bath
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Garage Conversion concept visualization for Santa Clara
Sample ConceptConcept visualization
Santa Clara

Santa Clara Garage Conversion Concept

Illustrative 450 sq ft garage conversion direction shown in a Santa Clara context. This is not a completed project, permit drawing, or property-specific design.

450 SF1 bed1 bath
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One-Bedroom ADU concept visualization for Sunnyvale
Type ExampleConcept visualization
Sunnyvale

Sunnyvale One-Bedroom ADU Concept

Illustrative 600 sq ft one-bedroom adu direction shown in a Sunnyvale context. This is not a completed project, permit drawing, or property-specific design.

600 SF1 bed1 bath
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Premium ADU concept visualization for Cupertino
Proposed ConceptConcept visualization
Cupertino

Cupertino Premium ADU Concept

Illustrative 850 sq ft premium adu direction shown in a Cupertino context. This is not a completed project, permit drawing, or property-specific design.

850 SF2 bed2 bath
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Attached ADU concept visualization for Palo Alto
Concept DirectionConcept visualization
Palo Alto

Palo Alto Attached ADU Concept

Illustrative 700 sq ft attached adu direction shown in a Palo Alto context. This is not a completed project, permit drawing, or property-specific design.

700 SF2 bed1 bath
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Two-Bedroom ADU concept visualization for Mountain View
Sample ConceptConcept visualization
Mountain View

Mountain View Two-Bedroom ADU Concept

Illustrative 800 sq ft two-bedroom adu direction shown in a Mountain View context. This is not a completed project, permit drawing, or property-specific design.

800 SF2 bed1 bath
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Backyard Cottage concept visualization for Campbell
Concept DirectionConcept visualization
Campbell

Campbell Backyard Cottage Concept

Illustrative 650 sq ft backyard cottage direction shown in a Campbell context. This is not a completed project, permit drawing, or property-specific design.

650 SF1 bed1 bath
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Custom ADU concept visualization for Los Gatos
Type ExampleConcept visualization
Los Gatos

Los Gatos Custom ADU Concept

Illustrative 900 sq ft custom adu direction shown in a Los Gatos context. This is not a completed project, permit drawing, or property-specific design.

900 SF2 bed2 bath
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Modern ADU concept visualization for Saratoga
Concept DirectionConcept visualization
Saratoga

Saratoga Modern ADU Concept

Illustrative 750 sq ft modern adu direction shown in a Saratoga context. This is not a completed project, permit drawing, or property-specific design.

750 SF1 bed1 bath
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Complete concept index

Open any clearly labeled concept directly, including entries outside the initial visual selection.

  • San Jose Detached ADU Concept
  • Santa Clara Garage Conversion Concept
  • Sunnyvale One-Bedroom ADU Concept
  • Cupertino Premium ADU Concept
  • Palo Alto Attached ADU Concept
  • Mountain View Two-Bedroom ADU Concept
  • Campbell Backyard Cottage Concept
  • Los Gatos Custom ADU Concept
  • Saratoga Modern ADU Concept
  • Milpitas One-Bedroom ADU Concept
  • Fremont Detached ADU Concept
  • Newark Garage Conversion Concept
  • Morgan Hill Detached ADU Concept
  • Gilroy Backyard ADU Concept
  • Redwood City Compact ADU Concept
  • San Mateo Attached ADU Concept
  • Burlingame Premium Backyard Cottage Concept
  • Oakland Garage Conversion Concept
  • San Francisco Compact ADU Concept
  • Union City Two-Bedroom ADU Concept
About these examples: Images are concept visualizations, and project pages are planning examples—not claims of completed construction. Final design, cost, feasibility, and schedule depend on verified property data and professional review.
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