Chula Vista ADU Regulations & Zoning

Chula Vista, California

Zip Codes: 91910, 91913
Neighborhoods: Northwest Chula Vista, Rancho del Rey

Chula Vista Regulation & Permitting Requirements:

  • ADU SIZE & BUILDING CONSTRAINTS

    What size detached ADU can you build in Chula Vista?

    Chula Vista allows for a detached ADU up to 1200 sqft. ADUs up to 800 square feet are exempt from lot coverage requirements. (Meaning: You can build an ADU of this size even if you’re maxed out on lot coverages).

    What is the height requirement for an ADU in Chula Vista? Can you build a 2-story ADU in Chula Vista?

    The height of a detached ADU can be up to 16′, or shall not exceed the height limit for the primary residence in accordance with the underlying zone.

    Does Chula Vista allow roof decks on ADUs?

    No, roof decks are not permitted on detached ADUs in Chula Vista.

    How big can an attached ADU be in Chula Vista?

    The square footage of any attached ADU may not to exceed 50% of the primary dwelling square footage, or 1,200 sqft, whichever is less, but not less than 800 square feet.

    What are the requirements of the exterior of the ADU?

    The exterior roofing, trim, walls, windows and the color palette of the ADU shall incorporate the same features as the primary dwelling unit.

  • SETBACKS

    What is the setback requirement for an ADU in Chula Vista?

    ADUs must have 4′ minimum setbacks from rear and side-yard property lines, with front yard setback per zoning standards. An ADU taking advantage of the 4′ setbacks cannot exceed a height of 16 feet. An ADU exceeding 16′ must comply with the setbacks of the underlying zoning.

    What is the minimum distance the ADU must be from existing structures?

    The minimum required distance between structures is 6′ wall to wall.

  • ADDITIONAL REQUIREMENTS

    Does Chula Vista require in-person submission of plans for an ADU?

    No, Chula Vista allows digital submission of applications for an ADU.

    Does Chula Vista require a soils report for an ADU?

    Yes, Chula Vista requires a soils report for ADUs of 500sqft or more.

    Does Chula Vista require coastal development permits?

    No areas are subject to Coastal requirements.

  • MULTIFAMILY

    How many ADUs does Chula Vista allow for multifamily properties?

    Up to two detached accessory dwelling units shall be permitted on a lot with an existing multifamily dwelling.

    Can you stack detached ADUs on top of each other?

    No, unless the ADUs meet the required setbacks for the SFR, in which case the height may be allowed to match the existing residence.

    Can you attach two ADUs to each other in Chula Vista?

    It is currently undetermined if two detached ADUs can be attached to each other; this will be subject to city interpretation.

    Can you convert existing space to an ADU?

    Yes, existing non-livable space may be converted to ADUs (e.g. storage areas and garages). The minimum number of ADU conversions allowed is one, up to a maximum equal to 25% of the number of existing multifamily units. This is in addition to the allowed number of detached ADUs.

  • PARKING

    What is the parking requirement for an ADU in Carlsbad?

    A parking space is not required for an ADU in any of the following instances:
    o Within a one-half mile walking distance from public transit, which includes bus stops.
    o Within an established historic district.
    o Converted from the existing space of a primary residence or accessory structure, or are attached to an existing or proposed primary residence.

    Where can a parking space be located?

    If a parking space is required, it may be located within the setbacks and in an existing driveway as tandem parking. Parking spaces don’t need to be replaced when a garage, carport, or covered parking structure is demolished in conjunction with the construction of an ADU or converted to an ADU.

  • RENT RATES

    How much will an ADU rent for in Chula Vista?

    Below are median rental prices by zip code and bedroom count. Be sure to run comps for your specific area or check with a realtor.

    RENT RATES IN CHULA VISTA
    Zip Neighborhood 1BR 2BR 3BR
    91910 Northwest Chula Vista $1620 $2300 $2595
    91913 Rancho del Rey $1985 $2625 $2990

    Source: Rentometer Nov 2021

Chula Vista ADU Projects:

$155,000

Construction
Davidson Street
Chula Vista, California 91910
1 Bed • 1 Bath • 495 ft2

$235,000

Design
Tamarack Court
Chula Vista, California 91911
2 Bed • 2 Bath • 743 ft2

Chula Vista Regulation & Permitting Requirements:

  • ADU SIZE & BUILDING CONSTRAINTS

    What size detached ADU can you build in Chula Vista?

    Chula Vista allows for a detached ADU up to 1200 sqft. ADUs up to 800 square feet are exempt from lot coverage requirements. (Meaning: You can build an ADU of this size even if you’re maxed out on lot coverages).

    What is the height requirement for an ADU in Chula Vista? Can you build a 2-story ADU in Chula Vista?

    The height of a detached ADU can be up to 16′, or shall not exceed the height limit for the primary residence in accordance with the underlying zone.

    Does Chula Vista allow roof decks on ADUs?

    No, roof decks are not permitted on detached ADUs in Chula Vista.

    How big can an attached ADU be in Chula Vista?

    The square footage of any attached ADU may not to exceed 50% of the primary dwelling square footage, or 1,200 sqft, whichever is less, but not less than 800 square feet.

    What are the requirements of the exterior of the ADU?

    The exterior roofing, trim, walls, windows and the color palette of the ADU shall incorporate the same features as the primary dwelling unit.

  • SETBACKS

    What is the setback requirement for an ADU in Chula Vista?

    ADUs must have 4′ minimum setbacks from rear and side-yard property lines, with front yard setback per zoning standards. An ADU taking advantage of the 4′ setbacks cannot exceed a height of 16 feet. An ADU exceeding 16′ must comply with the setbacks of the underlying zoning.

    What is the minimum distance the ADU must be from existing structures?

    The minimum required distance between structures is 6′ wall to wall.

  • ADDITIONAL REQUIREMENTS

    Does Chula Vista require in-person submission of plans for an ADU?

    No, Chula Vista allows digital submission of applications for an ADU.

    Does Chula Vista require a soils report for an ADU?

    Yes, Chula Vista requires a soils report for ADUs of 500sqft or more.

    Does Chula Vista require coastal development permits?

    No areas are subject to Coastal requirements.

  • MULTIFAMILY

    How many ADUs does Chula Vista allow for multifamily properties?

    Up to two detached accessory dwelling units shall be permitted on a lot with an existing multifamily dwelling.

    Can you stack detached ADUs on top of each other?

    No, unless the ADUs meet the required setbacks for the SFR, in which case the height may be allowed to match the existing residence.

    Can you attach two ADUs to each other in Chula Vista?

    It is currently undetermined if two detached ADUs can be attached to each other; this will be subject to city interpretation.

    Can you convert existing space to an ADU?

    Yes, existing non-livable space may be converted to ADUs (e.g. storage areas and garages). The minimum number of ADU conversions allowed is one, up to a maximum equal to 25% of the number of existing multifamily units. This is in addition to the allowed number of detached ADUs.

  • PARKING

    What is the parking requirement for an ADU in Carlsbad?

    A parking space is not required for an ADU in any of the following instances:
    o Within a one-half mile walking distance from public transit, which includes bus stops.
    o Within an established historic district.
    o Converted from the existing space of a primary residence or accessory structure, or are attached to an existing or proposed primary residence.

    Where can a parking space be located?

    If a parking space is required, it may be located within the setbacks and in an existing driveway as tandem parking. Parking spaces don’t need to be replaced when a garage, carport, or covered parking structure is demolished in conjunction with the construction of an ADU or converted to an ADU.

  • RENT RATES

    How much will an ADU rent for in Chula Vista?

    Below are median rental prices by zip code and bedroom count. Be sure to run comps for your specific area or check with a realtor.

    RENT RATES IN CHULA VISTA
    Zip Neighborhood 1BR 2BR 3BR
    91910 Northwest Chula Vista $1620 $2300 $2595
    91913 Rancho del Rey $1985 $2625 $2990

    Source: Rentometer Nov 2021

Chula Vista ADU Projects:

$155,000

Construction
Davidson Street
Chula Vista, California 91910
1 Bed • 1 Bath • 495 ft2

$235,000

Design
Tamarack Court
Chula Vista, California 91911
2 Bed • 2 Bath • 743 ft2