Does Wildomar have a pre-approved ADU plan program?

Yes. Wildomar’s Pre-Approved ADU Design Program (PRADU) allows designers to submit construction documents for review, and once approved those plans can be used by qualifying property owners to streamline ADU permitting.

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Wildomar Homes with ADU, Casita & Guest House

This page is your guide to Accessory Dwelling Units (ADUs), casitas and guest houses in Wildomar, CA — a fast-growing Riverside County city along the I-15 corridor between Lake Elsinore and Murrieta, with a strong base of single-family homes and new construction.

Wildomar implements California’s ADU laws through its municipal code and published Accessory Dwelling Unit information, including 4-foot rear and side yard setback standards for qualifying detached ADUs and a clear submittal process for permits. The city has also launched a Pre-Approved ADU Design Program (PRADU) that lets homeowners use pre-reviewed plans on eligible lots.

Fun Fact: Wildomar has been flagged as a housing growth bright spot in Riverside County, with new single-family and multifamily construction supporting long-term demand for ADU-style units and multi-gen living options.

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City resources: For the latest standards and forms, visit the City of Wildomar ADU Information and Pre-Approved ADU Program (PRADU) .

⭐ Riverside County ADU Specialist — Antoinette Nichols: Antoinette helps Wildomar homeowners and buyers review lot size, slope, utility connections, driveway access, 4-ft setback opportunities and pre-approved plan options before committing to a purchase or ADU build.

Why ADUs Are a Smart Play in Wildomar

Many Wildomar lots can support detached ADUs. Single-family neighborhoods and edge-of-city parcels often have yard space where a detached unit can fit within the city’s setback and separation rules.
Pre-approved designs can streamline your permit path. Wildomar’s PRADU program lets you start from pre-approved construction documents, reducing design time and helping align your project with local standards from day one.
4-foot side and rear setbacks open up smaller yards. In line with California ADU law and Wildomar’s published guidance, many detached ADUs may be placed as close as four feet from side and rear property lines when they meet all other requirements.
Rising housing demand supports long-term rental potential. Population, income and new construction trends in Wildomar support sustainable demand for well-located, legal ADUs and casitas aimed at local workers and commuting households.

Wildomar ADU, Casita & Guest House Listings

Live MLS feed — focused on homes with separate guest houses, casitas or ADU-friendly layouts:

New Wildomar ADU-capable listings appear as Riverside County inventory updates.

Where Is Wildomar, CA?

Wildomar is located in southwestern Riverside County along I-15, south of Lake Elsinore and north of Murrieta. Its suburban neighborhoods and regional commute access make it a natural fit for ADUs, casitas and multi-gen living.

Wildomar ADU & Financing FAQ

Q: How big can a detached ADU be in Wildomar?

A: Under California ADU law, detached units can often be built up to about 1,200 sq ft when they comply with local lot coverage, height and setback standards. Wildomar implements those size limits through its accessory dwelling unit chapter and building review.

Q: What are the minimum setbacks for detached ADUs in Wildomar?

A: Wildomar’s ADU information and submittal packet indicate that detached ADUs may be as close as 4 feet from side and rear property lines on qualifying lots, and must maintain a minimum separation from other structures on the lot. Always confirm the current standard with Planning before finalizing plans.

Q: Does Wildomar offer any pre-approved ADU plans?

A: Yes. Wildomar’s Pre-Approved ADU Design Program (PRADU) allows designers to submit plans that, once approved by staff, can be used by property owners to streamline the design and review process for certain ADU types.

Q: Is owner-occupancy required for ADUs in Wildomar?

A: No. Consistent with California’s AB 976, Wildomar cannot require most ADUs to have an owner-occupancy condition, which gives owners flexibility to rent either the main home or ADU as long-term housing when all rules are met.

ADU Planning & Strategy with Solve Lending & Realty

Solve Lending & Realty helps Wildomar owners and buyers evaluate zoning, setbacks, PRADU options, rental projections and build-cost strategies so you know where an ADU makes sense before you spend on plans or construction.

Antoinette Nichols leads ADU strategy for Riverside County communities, including Wildomar.