Multigenerational ADU Made with Love in Vista
Hawley Drive, Vista, CA 92084
Homeowner Story: House younger family
Made with love- the multigenerational Vista ADU was constructed by loving parents wanting to provide a place for their college-age children to return to as they brave the responsibilities of young adult life. All 750 square feet were dedicated to providing a place for their children to stay on an interim basis, as well as a spot extended family might visit when they come into town. The addition of two bedrooms allows the couple to host a number of people, or use the rooms as their own private space.
Floor Plan:
2BR/1BA 28×27 Square
Community:
The Vista ADU Guide
Vista has become one of the more efficient jurisdictions in San Diego County for permitting ADUs with relatively fast review times. We’ve worked on numerous ADU projects throughout Vista and have developed a strong understanding of Vista’s permitting process and local requirements.
While permitting is generally quick, homeowners should plan for several city-specific considerations. Vista requires in-person permit submissions, and many projects require soils reports and stormwater mitigation. The City also has some unique zoning districts, including the Townsite Specific Plan (SP-TS), which can create questions about what is allowed on a property. Fortunately, California’s statewide ADU laws generally supersede the underlying Specific Plan, allowing qualifying properties within SP-TS to build an ADU.
Vista ADU Permitting
Most ADU permits in Vista are approved within approximately 3-5 months after submission. Permit costs generally range from approximately $8-16/sqft though larger ADUs may see permit fees closer to $16-20/sqft because proportional development impact fees apply to many ADUs over 750 sqft.
Vista requires in-person permit submissions and often requires soils reports as part of the permitting process. Stormwater mitigation is also commonly required and should be considered during site planning and budgeting.
For homeowners who qualify, Vista’s ADU Fee Waiver Program may reduce certain development impact fees for ADUs occupied by lower-income households or caregivers providing regular care to a property owner or occupant.



