Building Setbacks & Zoning in Rancho Cucamonga, CA (2026)
3 verified building setbacks & zoning rules for Rancho Cucamonga, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Rancho Cucamonga zoning districts require typical single-family setbacks of 25 feet front, 5 feet side, and 20 feet rear per Development Code Title 17. ADU setbacks default to 4 feet per state law AB 2221.
Rancho Cucamonga Setback Rules
Some RestrictionsStructure Height Limits
Rancho Cucamonga caps single-family heights at 35 feet in most residential zones, with ADUs allowed up to 16-18 feet under state law. Mixed-use districts near Victoria Gardens permit taller buildings with review.
Rancho Cucamonga Structure Height Limits
Some RestrictionsLot Coverage Limits
Rancho Cucamonga limits lot coverage by all structures to 40 percent in most residential zones. Impervious surface coverage is separately regulated under MS4 stormwater permit requirements.
Rancho Cucamonga Lot Coverage Limits
Some RestrictionsLooking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rancho Cucamonga city rules.
Building Setbacks & Zoning in San Bernardino County →