Express Plan
Starting at $4,500
Site-specific architectural production based on an accepted jurisdiction plan.
Call about an Express PlanVentura County ADU plans.
Clear scope. Local permit knowledge.
Bennett Design Studio provides property-specific ADU plan production for homeowners in unincorporated Ventura County, Thousand Oaks, Westlake Village, Camarillo, Simi Valley, and the City of Ventura.
Official local resources
Start with the correct Ventura County agency.
Some jurisdictions provide standardized plans; others provide approval standards and require a project-specific design. Every ADU still needs a site review, jurisdiction confirmation, and the applicable permit documents.
Standardized plans available
County of Ventura
Free standardized detached ADU plans in 700, 900, and 1,188 square-foot configurations for qualifying unincorporated properties.
View official resources ↗City ADU guidanceThousand Oaks
City planning, zoning, permit, and online application resources for ADU and JADU projects.
View official resources ↗City + LA County reviewWestlake Village
The City handles zoning clearance; Los Angeles County provides the required building-permit review.
View official resources ↗City feasibility guideCamarillo
Official guidance covering ADU feasibility, design considerations, permitting, and construction steps.
View official resources ↗City ADU guidanceSimi Valley
Current ADU standards, planning handouts, zoning-clearance information, and online permit resources.
View official resources ↗Standardized plans availableCity of Ventura
City-reviewed one-, two-, and three-bedroom standardized ADU floor plans and construction drawings.
View official resources ↗Two production paths
Use a qualifying standard plan or begin with a custom design.
Express Plan production starts at $4,500 when a compatible jurisdiction plan may be used. Custom ADU Plan Sets start at $6,500. Property feasibility, consultants, coordination, and permit processing are separate services.
Custom Plan
Starting at $6,500
An original ADU layout and architectural production set developed for the site and intended use.
Discuss a Custom Plan