ADU Regulations in Jurupa Valley, California
Riverside County · CA · Pop. 110,000
Max ADU Size
1,200
sq ft detached
Rear Setback
4 ft
Permit Timeline
60 days
Build Cost
$130,000 – $270,000
Zoning
Allowed ADU Types
State law preempts local owner-occupancy requirements. Jurupa Valley, incorporated in 2011, is one of California's newest cities. Large residential lots throughout the city provide excellent opportunities for detached ADUs; affordable costs relative to coastal markets attract IE commuters.
Source: City of Jurupa Valley — Accessory Dwelling Units · Jurupa Valley Municipal Code Title 9 (Land Use and Zoning)
Dimensions
Size & Setback Requirements
Detached
1,200
sq ft max
JADU
500
sq ft max
Attached
50% of primary home, max 1,200 sq ft
Setbacks
front
Same as primary dwelling
side
4 ft
rear
4 ft
Max height: 16 ft (detached); matches primary structure height limit if attached
Lot coverage: Per underlying zone; typical R-1 zones allow 40% lot coverage
Many parcels in Jurupa Valley have agricultural-residential histories with large lot sizes, giving ample space for sizable detached ADUs without triggering coverage issues.
Permitting
Permit Process
Department
Jurupa Valley Planning Department
Review Timeline
60 days
Permit Fees
$5,500 – $11,000
Impact Fees
Impact fees waived for ADUs under 750 sq ft; proportional fees apply above that threshold
Required Documents
- ›Site plan (to scale)
- ›Floor plans
- ›Elevations
- ›Title 24 energy compliance (CalGreen)
- ›Structural drawings
- ›Grading plan if terrain alteration required
As a newer city, Jurupa Valley adopted a streamlined ADU ordinance aligned with state law from the outset. Fees are among the most affordable in Southern California. Western Municipal Water District sewer connection fees assessed separately.
Visit Jurupa Valley Planning Department →Infrastructure
Utilities & Requirements
Solar
Required
Parking
Not required
Separate Meter
Optional
Fire Sprinklers
See note
Financials
ADU Costs in Jurupa Valley
Typical Build Cost
$130,000 – $270,000
Cost per Sq Ft
$185 – $250
Monthly Rental
$1,300 – $2,100/mo/mo
Property Value Added
Adds $150,000 – $280,000 to property value
Available Grants & Programs
- ★CalHFA ADU Grant Program available (up to $40,000 pre-development)
- ★Riverside County CDBG programs may apply
One of the most cost-effective ADU markets in Southern California. IE commuters working in Riverside, Ontario, and San Bernardino drive steady rental demand. Build costs well below coastal averages improve ROI timelines.
Use the free ADU Cost Calculator →Free Service
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Jurupa Valley Quick Facts
- Max size1,200 sq ft
- Rear setback4 ft
- Permit timeline60 days
- Build cost$130,000 – $270,000
- Rental income$1,300 – $2,100/mo/mo
- Owner occupancyNot required
Official Source
City of Jurupa Valley — Accessory Dwelling UnitsJurupa Valley Municipal Code Title 9 (Land Use and Zoning)
Last verified: March 14, 2026
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