Garden Grove ADU Regulations & Building Guide

Garden Grove is a vibrant city in Southern California known for its unique charm and diverse population. It offers a blend of urban and suburban experiences.

California State ADU Laws

California has some of the most progressive ADU legislation in the country. Recent laws including AB 68, SB 13, and AB 881 have significantly streamlined the ADU approval process and reduced barriers for homeowners.

Key California ADU Regulations:

• Size Limits: Detached ADUs can be up to 1,200 sq ft. Attached ADUs can be up to 50% of the primary dwelling or 1,200 sq ft, whichever is less.
• Setbacks: Minimum 4-foot side and rear setbacks for detached ADUs.
• Height: Generally up to 16 feet, with some exceptions for two-story ADUs (up to 25 feet in certain zones).
• Parking: No additional parking required in most cases, especially near transit.
• Owner Occupancy: No owner-occupancy requirement until 2025 for most ADUs.

Garden Grove Local Requirements

While California state law provides baseline regulations, Garden Grove may have additional local requirements. GatherADU's team stays current with Garden Grove's specific zoning codes, architectural guidelines, and permit processes to ensure your ADU project meets all requirements.

Common local considerations in Garden Grove include:

• Design review requirements and architectural standards
• Utility connection fees and impact fees
• Fire department access requirements
• Neighborhood-specific overlay zones

California law (AB 68, AB 881, SB 9, and subsequent legislation) guarantees your right to build ADUs. Cities cannot:

• Require owner-occupancy for ADUs permitted after 2020
• Require additional parking for ADUs near transit
• Charge impact fees for ADUs under 750 sq ft
• Deny ADUs that meet state minimum standards
• Impose lot coverage limits that prevent a 800 sq ft ADU

If you believe your ADU application is being unfairly denied, California HCD can intervene on your behalf.

California ADU Legislation Overview

California leads the nation in ADU-friendly legislation. The state has passed numerous laws to encourage ADU construction as a solution to the housing crisis.

Key California ADU Laws:

• AB 68 (2020): Reduced local government review time and expanded ADU construction options.
• SB 13 (2020): Limited impact fees and reduced owner-occupancy requirements.
• AB 881 (2020): Prohibited minimum lot size requirements and allowed JADUs in all zones.
• AB 2221 (2022): Further streamlined the ADU approval process.
• SB 897 (2022): Increased height limits for ADUs in certain zones.

California ADU Benefits:

• Property value increase of 20-30% on average
• Rental income potential of $1,500-$3,500+ monthly
• Housing flexibility for family members
• No owner-occupancy requirements (until 2025)

Garden Grove, California, is a vibrant city located in Orange County, known for its cultural diversity, historic sites, and community-focused events. With a population of approximately 174,858, Garden Grove offers a blend of suburban charm and urban amenities.

Geography and History

Situated in Southern California, Garden Grove was incorporated in 1956 and has since grown into a dynamic city. Its central location within Orange County places it near major attractions like Disneyland, and it benefits from the region's favorable climate and economic opportunities.

Local Economy

Garden Grove’s economy is supported by several key sectors:

• Retail and Services: The city has a strong commercial sector with shopping centers, restaurants, and service providers.
• Healthcare: Several hospitals and medical facilities contribute to the local economy, including the Garden Grove Hospital Medical Center.
• Education: Local schools and institutions, such as the Garden Grove Unified School District, play a significant role in the community.
• Tourism: Proximity to major attractions like Disneyland brings additional tourism-related revenue and business opportunities.
• Manufacturing: The city hosts various manufacturing businesses, contributing to the regional economic base.

Popular Neighborhoods

Garden Grove features a range of neighborhoods that cater to different lifestyles:

• Downtown Garden Grove: Known for its historic sites, local shops, and the annual Garden Grove Strawberry Festival.
• West Garden Grove: Features family-friendly amenities, including parks and good schools, and offers a suburban feel.
• East Garden Grove: Includes residential areas with easy access to commercial centers and major roads.
• Northwest Garden Grove: Offers a mix of residential and commercial properties, with access to parks and recreational facilities.
• Central Garden Grove: Known for its diverse community and access to a range of services and amenities.

Real Estate Market

Garden Grove's real estate market is characterized by a variety of housing options, from single-family homes to multi-family units. The city's proximity to major attractions and its desirable location within Orange County contribute to relatively higher property values and a competitive housing market.

ADU Regulations in Garden Grove

Garden Grove has implemented Accessory Dwelling Unit (ADU) regulations designed to support the development of additional residential units and address housing needs. These regulations are aligned with California state laws and tailored to local requirements.

• Zoning: ADUs are permitted in residential zones, including single-family and multi-family districts.
• Types of ADUs: Both attached and detached ADUs are allowed, as well as Junior ADUs (JADUs).
• Size Limits:
  • Detached ADUs: Up to 1,200 sqft.
  • Attached ADUs: Up to 50% of the primary dwelling’s living area or 1,200 sqft, whichever is less.
  • JADUs: Up to 500 sqft.
• Height Restrictions: Detached ADUs are generally limited to 16 feet in height, though specific limits may vary depending on zoning and site conditions.
• Parking: No additional parking is required for ADUs if located within half a mile of public transit. On-site parking requirements may apply depending on the zoning and site conditions.
• Owner Occupancy: As of 2020, there is no owner-occupancy requirement for ADUs, but the property owner must reside on the property if a JADU is constructed.
• Approval Process: ADUs that meet certain criteria are eligible for ministerial approval, simplifying and expediting the approval process.
• Multiple ADUs: In multi-family properties, up to two detached ADUs are allowed, or ADUs for 25% of the existing units within the structure, whichever is greater.
• Impact Fees: Reduced impact fees may apply to ADUs smaller than 750 sqft to encourage development.
• Design Standards: ADUs must be designed to be compatible with the primary residence and fit the character of the neighborhood.

These regulations are aimed at increasing housing options and accommodating growth within Garden Grove.

Cultural Landmarks and Unique Aspects

Garden Grove is known for several unique aspects and cultural landmarks:

• Garden Grove Strawberry Festival: An annual event celebrating the city’s agricultural heritage with rides, entertainment, and strawberry-themed activities.
• Historic Garden Grove: Features several historic sites, including the Garden Grove Historical Society Museum.
• Korean Cultural Center: Reflects the city’s significant Korean-American community and offers cultural programs and events.
• City Hall: An architectural landmark with modern design and public art, serving as the administrative center for Garden Grove.
• Westminster Memorial Park: A notable cemetery and memorial park with historical significance and serene grounds.

Garden Grove’s ADU regulations reflect the city’s efforts to enhance housing availability and support community growth. With its diverse neighborhoods, strong economy, and cultural landmarks, Garden Grove provides a desirable living environment. The city’s approach to ADU development is designed to accommodate its expanding housing needs while maintaining the character of its neighborhoods.

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