Jurupa Valley Zoning and ADU Guide for Homeowners

Last updated November 13, 2026. Reviewed by the Cash Home Buyers CA team.

Jurupa Valley regulates accessory dwelling units in Section 9.240.290 of its zoning code, and the city publishes an ADU summary sheet, pre-approved plans and a process for legalizing older unpermitted units. This guide summarizes what the city’s published materials say about ADUs, junior ADUs and accessory buildings, what the 60-day review means, how the AB 2533 legalization path works and what to check before you sell a property with an extra unit.

The city has amended its ADU rules several times, so confirm current standards with Planning.

Jurupa Valley ADU rules at a glance

Governing section	Municipal Code Section 9.240.290, Accessory Dwelling Units
Building permit	Required for all ADUs
ADU permit	Required for detached ADUs larger than 800 sq ft, per the city summary sheet
Review timeline	City acts on the ADU permit within 60 days of receiving the application
Detached ADU height	18 feet, per a city staff report
Detached ADU setbacks	Minimum four feet from side and rear lot lines, per a city staff report
Pre-approved plans	City PRADU plans and permit-ready accessory building plans
Legalization	AB 2533 path using the Jurupa Valley Substandard Housing Checklist

How Jurupa Valley regulates ADUs

The city’s ADU summary sheet points to Section 9.240.290 of the Municipal Code for the complete requirements. It says building permits are required for all ADUs and that approval of an ADU permit is required for detached ADUs larger than 800 square feet.

The ordinance language in the city’s staff reports says the city acts on the accessory dwelling unit permit within 60 days of receiving the application. The city has also taken amendments to the ADU section to the City Council in 2025 and 2026, so the summary sheet may lag the current code.

Size, height and setbacks

A city staff report states that detached ADUs are subject to a height limit of 18 feet and minimum four-foot rear and side setbacks. Those figures match the state-law baseline for most detached units.

The pages reviewed for this guide do not give a complete size table, parking rules or owner-occupancy language in readable form, so do not rely on this guide for those. Ask Planning for the current text of Section 9.240.290 and any amendments adopted after the October 2025 ordinance.

Pre-approved plans

The city’s ADU page describes a pre-approved ADU plan option, referred to as PRADU, and its permit-ready accessory buildings program lists ready-to-use plans for accessory buildings and ADUs. Using these plans can reduce plan review effort, though a building permit and inspections are still needed. The ADU page also links a building permit application and a list of submittal requirements.

Legalizing an unpermitted ADU under AB 2533

The city publishes a handout on AB 2533, the state law that lets owners legalize unpermitted ADUs and junior ADUs. According to the city, the unit must meet the minimum conditions in the Jurupa Valley Substandard Housing Checklist.

If you own a converted garage or back unit built without permits, this path can make the unit lawful without meeting every current standard. Ask Building & Safety how the checklist inspection works and what it costs before you start.

Accessory buildings and zoning for sellers

Separate rules apply to garages, sheds, pool houses and other detached accessory buildings, and the city has updated those standards in recent years. Lot size and zone affect what is allowed.

If your property has a casita, workshop or guest quarters, find out whether it was permitted and whether it is counted as an ADU. A buyer’s lender and appraiser will ask.

A cash buyer can purchase the home with the unit as it stands, and you can disclose its status.

State ADU law and Jurupa Valley

California’s ADU statute, Government Code section 66314 and following, sets a floor that every city must follow, and local ordinances fill in the details.

The state requires ministerial review within 60 days of a complete application, bars a city from requiring more than a limited set of standards, and generally allows an ADU or conversion inside existing space without added setbacks.

The California Department of Housing and Community Development (HCD) publishes a handbook and keeps a list of the state requirements. Because state law changes often, treat the city’s current ordinance and handout as the final word on size, height, parking and fees for your lot.

ADUs, garage conversions and selling a Jurupa Valley house

Many older homes have a converted garage or a backyard unit built without permits. Buyers and lenders ask about them, and California sellers generally disclose known unpermitted work. Our guide to selling as-is with unpermitted work explains the rules, and our Prop 13 guide explains how new construction can affect property tax. Before you list:

• Check city records for permits on any ADU, conversion or addition.
• Ask Planning whether the structure could qualify under current rules.
• Estimate plans, fees and corrections needed to legalize it.
• Compare that with selling as-is and letting a cash buyer take on the legalization.

Questions to ask Planning before you design

• Does my lot and zone allow an ADU, a junior ADU, or both?
• Is a pre-approved or pre-reviewed ADU plan available?
• What are the current impact, utility and school fees for the size I am considering?
• Can my existing garage or accessory structure be converted without changing its footprint?
• Are there fire, slope, easement or utility constraints on my lot?

Junior ADUs and garage conversions in more detail

State law treats a junior ADU as a unit of up to 500 square feet created inside the walls of an existing or proposed single-family home, with an efficiency kitchen and a recorded restriction that keeps it from being sold apart from the house.

A garage conversion is a different path: the unit replaces the garage, and state law generally does not require the city to demand replacement parking. Both are common sources of unpermitted space in older Jurupa Valley neighborhoods, which is why buyers’ agents and appraisers ask for the permit record.

If a conversion was done without a permit, the usual fix is to submit as-built drawings, pay the fees and pass inspection, which can take months and cost real money.

Fees, utilities and property tax

State law limits the impact fees a city can charge on smaller ADUs and on conversions of existing space, and it limits when a separate utility connection can be required.

Larger new units can still carry impact fees, school fees and water or sewer connection charges, so ask for an itemized estimate before you commit to plans. New construction is generally reassessed for property tax under Prop 13, which means an ADU can raise the bill for the whole property. Our Prop 13 guide explains how reassessment works.

Why ADUs matter for resale

A permitted ADU can add rental income and appeal for some buyers, but an unpermitted one can complicate financing and appraisal. Lenders typically want permitted living area, and an appraiser may not count unpermitted space.

Because an ADU generally cannot be sold separately from the main home, its value comes through the sale of the whole property.

If you inherited a house with an old backyard unit, or bought one with a converted garage, check what the city has on file before you decide how to sell. Our probate home sale guide covers inherited property.

How to sell a house in Jurupa Valley

1. Ask the city for the permit record on any ADU or conversion.
2. Collect plans, inspection records and any city notices.
3. Request a no-obligation cash offer for the house as it stands.
4. Choose your closing date.
5. Close with no repairs, legalization or showings required.

See also our Jurupa Valley page, the Jurupa Valley cash offer process, selling a Jurupa Valley house as-is, selling an inherited Jurupa Valley house and the Riverside County hub.

Frequently asked questions

Does Jurupa Valley allow ADUs?

Yes. Section 9.240.290 of the Municipal Code governs accessory dwelling units, and the city says building permits are required for all ADUs.

How long does the city take to review an ADU permit?

The ordinance language says the city acts on the ADU permit within 60 days of receiving the application.

How tall can a detached ADU be?

A city staff report states 18 feet, with minimum four-foot side and rear setbacks.

Does the city have pre-approved ADU plans?

Yes. The city’s ADU page describes PRADU plans, and it also lists permit-ready accessory building plans.

Can I legalize an unpermitted ADU?

The city publishes an AB 2533 handout. The unit must meet the minimum conditions in the Jurupa Valley Substandard Housing Checklist.

Can I sell a Jurupa Valley house with an unpermitted ADU?

Yes. You can disclose it and sell as-is, including to a cash buyer. Our statewide guide explains the disclosure rules.

More guides

• We Buy Houses in Jurupa Valley
• We Buy Houses in Riverside County
• Riverside County Property Tax Guide
• Jurupa Valley Building Permits Guide
• Jurupa Valley Code Enforcement Guide
• Eastvale Building Permits Guide
• All California Guides

Sources

• City of Jurupa Valley: Accessory Dwelling Units
• City of Jurupa Valley: ADU Summary Sheet
• City of Jurupa Valley: Staff Report on ADU Ordinance
• City of Jurupa Valley: AB 2533 Legalizing Unpermitted ADUs and JADUs
• City of Jurupa Valley: Permit-Ready Accessory Buildings

This guide is general information from public sources, not legal advice. Confirm current rules, fees and hours with the city.