Chula Vista
Detached ADUs
Detached ADUs in Chula Vista: 1,200 sq. ft.
Attached ADUs
Attached ADUs: Add Up to 1,200 sq. ft.
Conversion ADUs
Conversion ADUs: Transform Existing Space"
JADUs
"Junior ADUs: Affordable Housing up to 500 sq. ft."
Key Requirements of Detached ADU
Maximum Size: Up to 1,200 sq. ft.
Height: Cannot exceed the height of the primary residence.
Setbacks:
Front Yard: Must follow zoning rules.
Side and Rear Yards: Minimum 4 feet from lot lines.
Parking:
Rules: Flexible parking arrangements available.
Exemptions: Parking exemptions apply for ADUs near public transit.
Key Requirements of Attached ADU
Size Limits: Limited to 50% of the primary residence’s floor area.
Height: Cannot exceed the primary residence height.
Setbacks:
Front Yard: Follow zoning requirements.
Side and Rear Yards: Minimum 4 feet.
Parking:
Rules: Flexible parking rules.
Exemptions: Parking exemptions for ADUs near public transit.
Key Requirements of Conversion ADU
Maximum Size: Based on the size of the converted structure; no limits.
Height: Matches the height of the existing structure.
Setbacks:
Front Yard: Follow zoning requirements.
Side and Rear Yards: Setbacks are waived for converted spaces.
Parking:
Rules: Parking is not required for conversions of existing spaces.
Exemptions: Additional exemptions apply for proximity to public
transit.
Key Requirements of JADUs
Maximum Size: 500 sq. ft.
Heights: Matches the primary home’s height.
Setbacks:
Front Yard: Must adhere to zoning rules.
Side and Rear Yards: Setbacks do not apply for conversions within the existing residence.
Parking:
Rules: Parking is not required for JADUs.
Exemptions: Parking exemptions do not apply; no parking is ever required for JADUs.
Chula Vista
Additional Requirements in Chula Vista
What is the maximum size for a detached ADU in Chula Vista?
Answer: Detached ADUs can be up to 1,200 sq. ft.
What are the size limits for attached ADUs?
Answer: Attached ADUs are limited to 50% of the main home’s floor area.
Can I build a two-story ADU?
Answer: Yes, but the height cannot exceed the primary residence, and zoning rules apply.
What are the setback requirements for ADUs?
Answer: ADUs require 4 feet from side and rear property lines.
ADUs require 4 feet from side and rear property lines.
Answer: Parking is required unless the ADU is near public transit or a converted space.
How long does it take to get a permit?
Answer: The typical permitting timeline is 4–6 months.
Are coastal permits required for ADUs?
Answer: Yes, ADUs in the Chula Vista Bayfront coastal zone require a
coastal development permit.
Can existing spaces, like garages, be converted into ADUs?
Answer: Yes, garages and similar spaces can be converted into ADUs.
Can I rent out my ADU as a short-term rental?
Answer: No, ADUs cannot be rented for fewer than 30 days.
Can ADUs be sold separately from the primary home?
Answer: No, ADUs cannot be sold separately from the main property.
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